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Chemical Structure| 5414-19-7 Chemical Structure| 5414-19-7

Structure of Bis(2-bromoethyl) ether
CAS No.: 5414-19-7

Chemical Structure| 5414-19-7

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Product Details of [ 5414-19-7 ]

CAS No. :5414-19-7
Formula : C4H8Br2O
M.W : 231.91
SMILES Code : BrCCOCCBr
MDL No. :MFCD00039196
InChI Key :FOZVXADQAHVUSV-UHFFFAOYSA-N
Pubchem ID :21521

Safety of [ 5414-19-7 ]

GHS Pictogram:
Signal Word:Danger
Hazard Statements:H315-H318-H335
Precautionary Statements:P261-P280-P305+P351+P338
Class:9
UN#:3334
Packing Group:

Computational Chemistry of [ 5414-19-7 ] Show Less

Physicochemical Properties

Num. heavy atoms 7
Num. arom. heavy atoms 0
Fraction Csp3 1.0
Num. rotatable bonds 4
Num. H-bond acceptors 1.0
Num. H-bond donors 0.0
Molar Refractivity 38.17
TPSA ?

Topological Polar Surface Area: Calculated from
Ertl P. et al. 2000 J. Med. Chem.

9.23 Ų

Lipophilicity

Log Po/w (iLOGP)?

iLOGP: in-house physics-based method implemented from
Daina A et al. 2014 J. Chem. Inf. Model.

2.32
Log Po/w (XLOGP3)?

XLOGP3: Atomistic and knowledge-based method calculated by
XLOGP program, version 3.2.2, courtesy of CCBG, Shanghai Institute of Organic Chemistry

1.6
Log Po/w (WLOGP)?

WLOGP: Atomistic method implemented from
Wildman SA and Crippen GM. 1999 J. Chem. Inf. Model.

1.79
Log Po/w (MLOGP)?

MLOGP: Topological method implemented from
Moriguchi I. et al. 1992 Chem. Pharm. Bull.
Moriguchi I. et al. 1994 Chem. Pharm. Bull.
Lipinski PA. et al. 2001 Adv. Drug. Deliv. Rev.

1.89
Log Po/w (SILICOS-IT)?

SILICOS-IT: Hybrid fragmental/topological method calculated by
FILTER-IT program, version 1.0.2, courtesy of SILICOS-IT, http://www.silicos-it.com

1.99
Consensus Log Po/w?

Consensus Log Po/w: Average of all five predictions

1.92

Water Solubility

Log S (ESOL):?

ESOL: Topological method implemented from
Delaney JS. 2004 J. Chem. Inf. Model.

-2.02
Solubility 2.21 mg/ml ; 0.00951 mol/l
Class?

Solubility class: Log S scale
Insoluble < -10 < Poorly < -6 < Moderately < -4 < Soluble < -2 Very < 0 < Highly

Soluble
Log S (Ali)?

Ali: Topological method implemented from
Ali J. et al. 2012 J. Chem. Inf. Model.

-1.41
Solubility 9.12 mg/ml ; 0.0393 mol/l
Class?

Solubility class: Log S scale
Insoluble < -10 < Poorly < -6 < Moderately < -4 < Soluble < -2 Very < 0 < Highly

Very soluble
Log S (SILICOS-IT)?

SILICOS-IT: Fragmental method calculated by
FILTER-IT program, version 1.0.2, courtesy of SILICOS-IT, http://www.silicos-it.com

-2.95
Solubility 0.26 mg/ml ; 0.00112 mol/l
Class?

Solubility class: Log S scale
Insoluble < -10 < Poorly < -6 < Moderately < -4 < Soluble < -2 Very < 0 < Highly

Soluble

Pharmacokinetics

GI absorption?

Gatrointestinal absorption: according to the white of the BOILED-Egg

High
BBB permeant?

BBB permeation: according to the yolk of the BOILED-Egg

Yes
P-gp substrate?

P-glycoprotein substrate: SVM model built on 1033 molecules (training set)
and tested on 415 molecules (test set)
10-fold CV: ACC=0.72 / AUC=0.77
External: ACC=0.88 / AUC=0.94

No
CYP1A2 inhibitor?

Cytochrome P450 1A2 inhibitor: SVM model built on 9145 molecules (training set)
and tested on 3000 molecules (test set)
10-fold CV: ACC=0.83 / AUC=0.90
External: ACC=0.84 / AUC=0.91

No
CYP2C19 inhibitor?

Cytochrome P450 2C19 inhibitor: SVM model built on 9272 molecules (training set)
and tested on 3000 molecules (test set)
10-fold CV: ACC=0.80 / AUC=0.86
External: ACC=0.80 / AUC=0.87

No
CYP2C9 inhibitor?

Cytochrome P450 2C9 inhibitor: SVM model built on 5940 molecules (training set)
and tested on 2075 molecules (test set)
10-fold CV: ACC=0.78 / AUC=0.85
External: ACC=0.71 / AUC=0.81

No
CYP2D6 inhibitor?

Cytochrome P450 2D6 inhibitor: SVM model built on 3664 molecules (training set)
and tested on 1068 molecules (test set)
10-fold CV: ACC=0.79 / AUC=0.85
External: ACC=0.81 / AUC=0.87

No
CYP3A4 inhibitor?

Cytochrome P450 3A4 inhibitor: SVM model built on 7518 molecules (training set)
and tested on 2579 molecules (test set)
10-fold CV: ACC=0.77 / AUC=0.85
External: ACC=0.78 / AUC=0.86

No
Log Kp (skin permeation)?

Skin permeation: QSPR model implemented from
Potts RO and Guy RH. 1992 Pharm. Res.

-6.58 cm/s

Druglikeness

Lipinski?

Lipinski (Pfizer) filter: implemented from
Lipinski CA. et al. 2001 Adv. Drug Deliv. Rev.
MW ≤ 500
MLOGP ≤ 4.15
N or O ≤ 10
NH or OH ≤ 5

0.0
Ghose?

Ghose filter: implemented from
Ghose AK. et al. 1999 J. Comb. Chem.
160 ≤ MW ≤ 480
-0.4 ≤ WLOGP ≤ 5.6
40 ≤ MR ≤ 130
20 ≤ atoms ≤ 70

None
Veber?

Veber (GSK) filter: implemented from
Veber DF. et al. 2002 J. Med. Chem.
Rotatable bonds ≤ 10
TPSA ≤ 140

0.0
Egan?

Egan (Pharmacia) filter: implemented from
Egan WJ. et al. 2000 J. Med. Chem.
WLOGP ≤ 5.88
TPSA ≤ 131.6

0.0
Muegge?

Muegge (Bayer) filter: implemented from
Muegge I. et al. 2001 J. Med. Chem.
200 ≤ MW ≤ 600
-2 ≤ XLOGP ≤ 5
TPSA ≤ 150
Num. rings ≤ 7
Num. carbon > 4
Num. heteroatoms > 1
Num. rotatable bonds ≤ 15
H-bond acc. ≤ 10
H-bond don. ≤ 5

2.0
Bioavailability Score?

Abbott Bioavailability Score: Probability of F > 10% in rat
implemented from
Martin YC. 2005 J. Med. Chem.

0.55

Medicinal Chemistry

PAINS?

Pan Assay Interference Structures: implemented from
Baell JB. & Holloway GA. 2010 J. Med. Chem.

0.0 alert
Brenk?

Structural Alert: implemented from
Brenk R. et al. 2008 ChemMedChem

1.0 alert: heavy_metal
Leadlikeness?

Leadlikeness: implemented from
Teague SJ. 1999 Angew. Chem. Int. Ed.
250 ≤ MW ≤ 350
XLOGP ≤ 3.5
Num. rotatable bonds ≤ 7

No; 1 violation:MW<1.0
Synthetic accessibility?

Synthetic accessibility score: from 1 (very easy) to 10 (very difficult)
based on 1024 fragmental contributions (FP2) modulated by size and complexity penaties,
trained on 12'782'590 molecules and tested on 40 external molecules (r2 = 0.94)

2.17

Application In Synthesis of [ 5414-19-7 ]

* All experimental methods are cited from the reference, please refer to the original source for details. We do not guarantee the accuracy of the content in the reference.

  • Downstream synthetic route of [ 5414-19-7 ]

[ 5414-19-7 ] Synthesis Path-Downstream   1~16

  • 1
  • [ 5414-19-7 ]
  • [ 619-60-3 ]
  • [ 116104-16-6 ]
  • 2
  • [ 5414-19-7 ]
  • [ 66491-03-0 ]
  • [ 183622-29-9 ]
  • 3
  • [ 5414-19-7 ]
  • [ 208837-83-6 ]
  • [ 914937-96-5 ]
YieldReaction ConditionsOperation in experiment
9% With triethylamine; In tetrahydrofuran; for 48h;Heating / reflux; A solution of intermediate B (200mg, 1.01 mmol) in anhydrous THF (5ml) was added to a stirring solution of 1 -bromo-2-(2-bromoethoxy)ethane (234mg, 1.01 mmol) in anhydrous THF (15ml) and triethylamine (323ml, 2.32mmol). The mixture was heated to reflux for 48 h. The reaction mixture was cooled to r.t., diluted with water (10ml) EPO <DP n="73"/>and extracted with EtOAc (3 x 5ml). The combined organic extracts were washed with brine (2 x 5ml), then dried (MgSO4) and evaporated to dryness. The residue was purified by flash chromatography eluting with 100% DCM to 6% MeOH/DCM to give the title compound as a clear oil (24mg, 9%). m/z 269 [M+H]+, 1H NMR (300 MHz, CDCI3) δ: 1.43 (9H, s), 1.58 (2H, br s), 2.58 (4H1 m), 3.33-3.56 (5H1 m), 3.65 (4H, m).
  • 4
  • [ 5414-19-7 ]
  • [ 13130-79-5 ]
  • [ 1179148-99-2 ]
YieldReaction ConditionsOperation in experiment
31% To a stirred solution of <strong>[13130-79-5]3-amino-1-bromoisoquinoline</strong> (444 mg, 2.00 mmol) in anhydrous dimethylformamide (10 mL) was added sodium hydride (60%, unwashed, 96 mg, 2.4 mmol) in one portion. The mixture was stirred at 25 C. for 5 min before 2-bromoethyl ether (90%, 250 muL, 2.00 mmol) was added. The mixture was stirred further at 25 C. for 5 h and at 75 C. for 72 h before it was cooled to 25 C., quenched with saturated ammonium chloride solution and diluted with ethyl acetate. The organic layer was separated, washed with water and brine, dried over Na2SO4, filtered and concentrated. Purification of the residue on silica gel eluting with 0% to 70% ethyl acetate/hexanes afforded Cap-143, step a as a yellow solid (180 mg, 31%). Rt=1.75 min (Cond.-MS-WI); 90% homogenity index; LCMS: Anal. Calc. for [M+H]+ C13H4BrN2O: 293.03; found: 293.04.
31% To a stirred solution of 3-amino-l-brotaunoisoquinoline (444 mg, 2.00 mmol) in anhydrous dimethylformamide (10175 mL) was added sodium hydride (60%, unwashed, 96 mg, 2.4 mmol) in one portion. The mixture was stirred at 25 0C for 5 min before 2-bromoethyl ether (90%, 250 DL, 2.00 mmol) was added. The mixture was stirred at 25 0C for 5 h and at 75 0C for 72 h before it was cooled to 25 0C, quenched with saturated ammonium chloride solution and diluted with ethyl acetate. The organic layer was separated, washed with water and brine, dried with Na2SO4, filtered and concentrated. Purification of the residue on silica gel eluting with 0% to 70% ethyl acetate/hexanes afforded Cap-143, step a as a yellow solid (180 mg, 31%) . Rt = 1.75 min (Cond. -MS-Wl) ; 90% homogenity index; LCMS: Anal. CaIc. for [M+H] + C13H14BrN2O: 293.03; found: 293.04.
31% To a stirred solution of 3-amino-l-bromoisoquinolirie (444 mg, 2,00 mmol) in anhydrous dimethylformamide (10 mL) was added sodium hydride (60%, unwashed, 96 mg, 2.4 mmol) in one portion. The mixture was stirred at 25 0C for 5 min before 2-bromoethyl ether (90%, 250 muL, 2.00 mmol) was added. The mixture was stirred at 25 0C for 5 h and at 75 0C for 72 h before it was cooled to 25 0C, quenched with saturated ammonium chloride solution and diluted with ethyl acetate. The organic layer was separated, washed with water and brine, dried with Na2SC>;4, filtered and concentrated. Purification of the residue on silica gel eluting with 0% to 70% ethyl acetate/hexanes afforded Cap-143, step a as a yellow solid (180 mg, 31%). Rt = 1.75 min (Cond. MS-Wl); 90% homogenity index; LCMS: Anal. CaIc. for [M+H]+ C13H14BrN2O: 293.03; found: 293.04.
31% With sodium hydride; In N,N-dimethyl-formamide; mineral oil; at 25 - 75℃; for 77h; To a stirred solution of 3-amino-l-bromoisoquinoline (444 mg, 2.00 mmol) in anhydrous dimethylformamide (10 mL) was added sodium hydride (60%, unwashed, 96 mg, 2,4 mmol) in one portion. The mixture was stirred at 25C for 5 min before 2- bromoethyl ether (90%, 250 muL, 2.00 mmol) was added. The mixture was stirred further at 25C for 5 h and at 75 0C for 72 h before it was cooled to 25C} quenched with saturated ammonium chloride solution and diluted with ethyl acetate. The organic layer was separated, washed with water and brine, dried over Na2SO45 filtered and concentrated. Purification of the residue on silica gel elutmg with 0% to 70% ethyl acetate/hexanes afforded Cap- 143, step a as a yellow solid (180 mg, 31%). Rt = 1.75 min (Cond. MS-Wl); 90% homogenily index; LCMS: Anal. CaIc. for [M+H]+ C13H14BrN2O: 293.03; found: 293.04.
31% To a stirred solution of 3-amino-l-bromoisoquinoline (444 mg, 2.00 mmol) in anhydrous dimethylformamide (10 mL) was added sodium hydride (60%, unwashed, 96 mg, 2.4 mmol) in one portion. The mixture was stirred at 25 C for 5 min before 2- bromoethyl ether (90%, 250 mu,, 2.00 mmol) was added. The mixture was stirred further at 25 C for 5 h and at 75 C for 72 h before it was cooled to 25 C, quenched with saturated ammonium chloride solution and diluted with ethyl acetate. The organic layer was separated, washed with water and brine, dried over Na2S04, filtered andconcentrated. Purification of the residue on silica gel eluting with 0% to 70% ethyl acetate/hexanes afforded Cap-143, step a as a yellow solid (180 mg, 31%). Rt = 1.75 min (Cond.-MS-Wl); 90% homogenity index; LCMS: Anal. Calc. for [M+H C13H14BrN20: 293.03; found: 293.04.
31% Step a[00254] To a stirred solution of 3-amino-l-bromoisoquinoline (444 mg, 2.00 mmol) in anhydrous dimethylformamide (10 mL) was added sodium hydride (60%, unwashed, 96 mg, 2.4 mmol) in one portion. The mixture was stirred at 25 C for 5 min before 2- bromoethyl ether (90%, 250 mu,, 2.00 mmol) was added. The mixture was stirred further at 25 C for 5 h and at 75 C for 72 h before it was cooled to 25 C, quenched with saturated ammonium chloride solution and diluted with ethyl acetate. The organic layer was separated, washed with water and brine, dried over Na2S04, filtered andconcentrated. Purification of the residue on silica gel eluting with 0% to 70% ethyl acetate/hexanes afforded Cap-143, Step a as a yellow solid (180 mg, 31%). Rt = 1.75 min(Cond.-MS-Wl); 90% homogenity index; LC-MS: Anal. Calc. for [M+H Ci3H14BrN2 293.03; found: 293.04.
31% With sodium hydride; In N,N-dimethyl-formamide; at 25 - 75℃; for 77h; To a stirred solution of 3-amino-l-bromoisoquinoline (444 mg, 2.00 mmol) in anhydrous dimethylformamide (10 mL) was added sodium hydride (60%, unwashed, 96 mg, 2.4 mmol) in one portion. The mixture was stirred at 25 C for 5 min before 2-bromoethyl ether (90%, 250 mu, 2.00 mmol) was added. This mixture was stirred further at 25 C for 5 h and at 75 C for 72 h before it was cooled to 25 C, quenched with saturated ammonium chloride solution and diluted with ethyl acetate. The organic layer was separated, washed with water and brine, dried over Na2S04, filtered and concentrated. Purification of the residue on silica gel (gradient elution with 0% to 70% ethyl acetate in hexanes) afforded Cap- 143, step a (180 mg, 31%) as a yellow solid. Rt = 1.75 min (Cond.-MS-Wl); 90% homogenity index; LCMS: Anal. Calc. for [M+H]+ Ci3H14BrN20: 293.03; found: 293.04.
31% To a stirred solution of <strong>[13130-79-5]3-amino-1-bromoisoquinoline</strong> (444 mg, 2.00 mmol) in anhydrous dimethylformamide(10 mL) was added sodium hydride (60%, unwashed, 96 mg, 2.4 mmol) in one portion. The mixture was stirred at 25C for 5 min before 2-bromoethyl ether (90%, 250 mL, 2.00 mmol) was added. This mixture was stirred further at 25 Cfor 5 h and at 75 C for 72 h before it was cooled to 25 C, quenched with saturated ammonium chloride solution anddiluted with ethyl acetate. The organic layer was separated, washed with water and brine, dried over Na2SO4 filteredand concentrated. Purification of the residue on silica gel (gradient elution with 0% to 70% ethyl acetate in hexanes)afforded Cap-143, step a (180 mg, 31%) as a yellow solid. Rt = 1.75 min (Cond.-MS-W1); 90% homogenity index; LCMS:Anal. Calc. for [M+H]+ C13H14BrN2O: 293.03; found: 293.04.
31% To a stirred solution of <strong>[13130-79-5]3-amino-1-bromoisoquinoline</strong> (444 mg, 2.00 mmol) in anhydrous dimethylformamide (10 mL) was added sodium hydride (60%, unwashed, 96 mg, 2.4 mmol) in one portion. The mixture was stirred at 25 C. for 5 min before 2-bromoethyl ether (90%, 250 muL, 2.00 mmol) was added. This mixture was stirred further at 25 C. for 5 h and at 75 C. for 72 h before it was cooled to 25 C., quenched with saturated ammonium chloride solution and diluted with ethyl acetate. The organic layer was separated, washed with water and brine, dried over Na2SO4, filtered and concentrated. Purification of the residue on silica gel (gradient elution with 0% to 70% ethyl acetate in hexanes) afforded Cap-143, step a (180 mg, 31%) as a yellow solid. Rt=1.75 min (Cond.-MS-W1); 90% homogenity index; LCMS: Anal. Calc. for [M+H]+ C13H14BrN2O: 293.03; found: 293.04.
To a stirred solution of 3-amino-l-bromoisoquinoline (444 mg, 2.00 mmol) in anhydrous dimethylformamide (10 mL) was added sodium hydride (60%, unwashed, 96 mg, 2.4 mmol) in one portion. The mixture was stirred at 25 C for 5 min before 2-bromoethyl ether (90%, 250 L, 2.00 mmol) was added. The mixture was stirred further at 25 C for 5 h and at 75 C for 72 h before it was cooled to 25 C, quenched with saturated ammonium chloride solution and diluted with ethyl acetate. The organic layer was separated, washed with water and brine, dried over a2S04, filtered and concentrated. Purification of the residue on silica gel eluting with 0% to 70% ethyl acetate/hexanes afforded Cap- 143, step a as a yellow solid (180 mg, 31%). Rt = 1.75 min (Cond.-MS-Wl); 90% homogenity index; LCMS: Anal. Calc. for [M+H]+ Ci3H14BrN20: 293.03; found: 293.04.

  • 5
  • [ 5414-19-7 ]
  • [ 214973-83-8 ]
  • [ 494773-23-8 ]
YieldReaction ConditionsOperation in experiment
With N-ethyl-N,N-diisopropylamine; In N,N-dimethyl-formamide; at 100℃; for 16h; To a solution of [l-(4-bromo-phenyl)-l-methyl-ethyl]-carbamic acid tert-butyl ester (1 eq) inDMF in a 50 mL tube is added DIPEA (2 eq) and l-bromo-2-(2-bromo-ethoxy)-ethane (1.1 eq). the reaction mixture is heated at 1000C for 16 hrs.. After cooling to room temperature, EtOAc and water are added. The combined organic layers are dried (MgSO/i) and concentrated in vacuo to give the desired product.
  • 6
  • [ 5414-19-7 ]
  • [ 27489-62-9 ]
  • [ 1228947-14-5 ]
YieldReaction ConditionsOperation in experiment
With triethylamine; In acetonitrile; at 60℃; (0392) Trans-4-Aminocyclohexanol (0.5 g), 1-bromo-2-(2-bromoethoxyl)ethane (1.07 g) and triethylamine (2.42 ml) were dissolved in anhydrous acetonitrile (20 ml). The reaction mixture was heated at 60 C. overnight. The organic solvent was removed under vacuum. The residue was purified with flash column chromatography on silica gel eluting with 7%-10% methanol in dichloromethane to give the title compound.
  • 7
  • [ 5414-19-7 ]
  • [ 453562-71-5 ]
  • [ 1259511-93-7 ]
YieldReaction ConditionsOperation in experiment
With sodium carbonate; In methanol; at 150℃; for 2.5h;Sealed tube; A mixture of l-(6-amino-3,3-dimethylindolin-1-yl)ethanone (5 g, 24.5mmol), 1- bromo-2-(2-bromoethoxy)ethane (6.25 g, 26.9 mmol), and Na2CO3 (5.19 g, 49 mmol) in MeOH (25 mL) was heated to 150 C in a sealed tube. After 2.5 h, the mixture was cooled to rt. The reaction mixture was diluted with water (100 mL). The resulting solid was filtered, washed with water (300 mL), and dried in the air to give l-(3,3-dimethyl-6-morpholinoindolin-1-yl)ethanone as a grey solid: 1H NMR (500 MHz, DMSO-d6) δ ppm 7.74 (1 H, s), 7.06 (1 H, d, J=8.1 Hz), 6.61 (1 H, dd, J=8.2, 2.1 Hz), 3.82 (2 H, s), 3.67 - 3.76 (4 H, m), 2.95 - 3.06 (4 H, m), 2.13 (3 H, s), 1.26 (6 H, s). Mass Spectrum (ESI) m/e = 275.2 (M + 1).
  • 8
  • [ 5414-19-7 ]
  • [ 63203-48-5 ]
  • [ 1430753-58-4 ]
YieldReaction ConditionsOperation in experiment
With triethylamine; In N,N-dimethyl-formamide; at 95℃; Example 160A ethyl 1-morpholinocyclohexanecarboxylate Ethy 1-aminocyclohexancarboxylate hydrogen chloride (5.800 g), triethylamine (13.62 mL) and 1-bromo-2-(2-bromoethoxy)ethane (4.21 mL) were stirred together in N,N-dimethylformamide (50 mL) at 95 C. overnight. The reaction mixture was diluted with ethyl acetate (150 mL), washed with water (100 mL) and brine (100 mL), dried over magnesium sulfate, filtered, and concentrated. Silica gel chromatography eluting with a gradient of 5% to 25% ethyl acetate/hexanes provided the title compound.
  • 9
  • [ 5414-19-7 ]
  • [ 38222-83-2 ]
  • [ 1621534-73-3 ]
YieldReaction ConditionsOperation in experiment
With triethylamine; In tetrahydrofuran; 1,4-dioxane; methanol; acetonitrile; Step 1. Preparation of methyl 4-((1R,3aS,5aR,5bR,7aR,11aS,11bR,13aR,13bS)-3a-((2-(1,1-dioxidothiomorpholino)ethyl)amino)-5a,5b,8,8,11a-pentamethyl-1-(1-morpholinoethyl)-2,3,3a,4,5,5a,5b,6,7,7a,8,11,11a,11b,12,13,13a,13b-octadecahydro-1H-cyclopenta[a]chrysen-9-yl)benzoate. In a 20 mL scintillation vial were combined methyl 4-((1R,3aS,5aR,5bR,7aR,11aS,11bR,13aR,13bS)-1-(1-aminoethyl)-3a-((2-(1,1-dioxidothiomorpholino)ethyl)amino)-5a,5b,8,8,11a-pentamethyl-2,3,3a,4,5,5a,5b,6,7,7a,8,11,11a,11b,12,13,13a,13b-octadecahydro-1H-cyclopenta[a]chrysen-9-yl)benzoate TFA salt (0.020 g, 0.019 mmol) with 1-bromo-2-(2-bromoethoxy)ethane (0.00883 g, 0.038 mmol) and triethylamine (0.016 mL, 0.114 mmol) in 1,4-dioxane (0.5 mL). The mixture was heated to 85 degrees C. for 30 min which resulted in no reaction. The mixture was transferred to a 5 mL microwave vessel and was diluted with dry acetonitrile (2 mL). To the mixture was added additional 1-bromo-2-(2-bromoethoxy)ethane (another 10 equivalents; 0.0445 g, 0.190 mmol) as well as <strong>[38222-83-2]2,6-di-tert-butyl-4-methylpyridine</strong> (0.023 g, 0.114 mmol). The resulting mixture was heated in the microwave to 120 degrees C. for 90 min. The contents of the vessel were concentrated under nitrogen stream, redissolved with a small quantity of a mixture of THF, acetonitrile and methanol, filtered and purified by reverse phase preparative HPLC (Prep HPLC Method 2). The desired product was thus obtained as a white solid and was carried directly into the next step. LCMS: m/z=778.6 (M+H)+, 2.13 min (method 5).
  • 10
  • [ 5414-19-7 ]
  • [ 36725-28-7 ]
  • C15H19N3O2 [ No CAS ]
YieldReaction ConditionsOperation in experiment
46% With potassium carbonate; In N,N-dimethyl-formamide; at 60℃; TP5 - To 200 mg (0.984 mmol) of (R)-6-(4-aminophenyl)-5-methyl-4,5- dihydropyridazin-3(2H)-one dissolved in 1 mL of DMF was added 250 (2.00 mmol) of bis (2-bromoethyl) ether and 400 mg of K2CO3 and the mixture was stirred overnight at 60 C. The next day another 250 mu^ of bis (2-bromoethyl) ether and 170 mg of K2CO3 was added. After 3 h, EtOAc and water were added, the water was rinsed with EtOAc, the combined EtOAc washes were dried and concentrated. Chromatography with 0-4% MeOH in CH2C12 yielded 125 mg of product (46%). XH NMR (300 MHz, CDC13) delta 8.61 (s, 1H), 7.68 (d, J= 8.8, 2H), 6.92 (d, J= 8.8, 2H), 3.99 - 3.76 (m, 4H), 3.44 - 3.31 (m, 1H), 3.29 - 3.22 (m, 4H), 2.70 (dd, J= 6.7, 16.8, 1H), 2.46 (d, J= 16.7, 1H), 1.24 (d, J= 7.3, 3H). 13C NMR (75 MHz, CDC13) delta 166.64, 154.05, 152.18, 127.10, 125.33, 1 14.73, 66.69, 48.33, 33.93, 27.94, 16.36. MS: 274 (M + 1). Anal. Calcd. for C15H19N3O2: C, 65.91; H, 7.01 ; N, 15.37; Found. 65.81, H, 6.66, N, 15.26.
46% With potassium carbonate; In N,N-dimethyl-formamide; at 60℃;Inert atmosphere; To 200 mg (0.984 mmol) of A dissolved in 1 mL of Dimethylformamide (DMF) was added 250 mu^ (2.00 mmol) of bis (2-bromoethyl) ether and 400 mg of K2C03 and the mixture was stirred overnight at 60 C. The next day another 250 mu^ oi bis (2-bromoethyl) ether and 170 mg of K2C03 were added. After 3 hours, EtOAc and water were added, the water was rinsed with EtOAc, the combined EtOAc washes were dried and concentrated. Chromatography with 0-4% MeOH in CH2C12 yielded 125 mg of product (46%). NMR (300 MHz, CDC13) delta 8.61 (s, 1H), 7.68 (d, J = 8.8, 2H), 6.92 (d, J = 8.8, 2H), 3.99 - 3.76 (m, 4H), 3.44 - 3.31 (m, 1H), 3.29 - 3.22 (m, 4H), 2.70 (dd, J = 6.7, 16.8, 1H), 2.46 (d, J = 16.7, 1H), 1.24 (d, J = 7.3, 3H). 13C NMR (75 MHz, CDC13) delta 166.64, 154.05, 152.18, 127.10, 125.33, 114.73, 66.69, 48.33, 33.93, 27.94, 16.36. TLC: Rf 0.1 (1 :50 MeOH:CH2Cl2). HPLC: Rt 1.05 min, purity > 95%. MS: 274 (M + 1). HRMS: calcd. 274.1556 (M + 1); found 274.1552. Anal. Calcd. for G5H19N3O2: C, 65.91 ; H, 7.01; N, 15.37; Found. 65.81, H, 6.66, N,
46% With potassium carbonate; In N,N-dimethyl-formamide; at 602℃;Inert atmosphere; Step 1 ): (0666) To 200 mg (0.984 mmol) of <strong>[36725-28-7](R)-6-(4-aminophenyl)-5-methyl-4,5-dihydropyridazin-3(2H)-one</strong> dissolved in 1 mL of DMF was added 250 muIota_ (2.00 mmol) of bis (2-bromoethyl) ether and 400 mg of K2CO3 and the mixture was stirred overnight at 60 C. The next day another 250 muIota_ of bis (2- bromoethyl) ether and 170 mg of K2CO3 was added. After 3 h, EtOAc and water were added, the water was rinsed with EtOAc, the combined EtOAc washes were dried and concentrated. Chromatography with 0-4% MeOH in CH2C12 yielded 125 mg of product Compound 3 (46%). 1H NMR (300 MHz, CDCI3) delta 8.61 (s, 1 H), 7.68 (d, J = 8.8, 2H), 6.92 (d, J = 8.8, 2H), 3.99 - 3.76 (m, 4H), 3.44 - 3.31 (m, 1 H), 3.29 - 3.22 (m, 4H), 2.70 (dd, J = 6.7, 16.8, 1 H), 2.46 (d, J = 16.7, 1 H), 1 .24 (d, J = 7.3, 3H). 13C NMR (75 MHz, CDCI3) delta 1 66.64, 154.05, 152.18, 127.1 0, 125.33, 1 14.73, 66.69, 48.33, 33.93, 27.94, 1 6.36. MS: 274 (M + 1 ). Anal. Calcd. for C15H19N3O2: C, 65.91 ; H, 7.01 ; N, 15.37; Found. 65.81 , H, 6.66, N, 15.26.
  • 11
  • [ 5414-19-7 ]
  • [ 4949-69-3 ]
  • 4-(4-iodo-3-methylphenyl)morpholine [ No CAS ]
  • 12
  • [ 5414-19-7 ]
  • [ 197376-47-9 ]
  • ethyl 4-(6-chloropyridin-3-yl)tetrahydro-2H-pyran-4-carboxylate [ No CAS ]
YieldReaction ConditionsOperation in experiment
0.82 g To a solution of <strong>[197376-47-9]ethyl (6-chloropyridin-3-yl)acetate</strong> (1.0 g) in N,N-dimethylformamide (20 mL) was added sodium hydride (60% in mineral oil, 0.40 g) under ice-cooling, and the mixture was stirred for 40 min. To the reaction mixture was added 1-bromo-2-(2-bromoethoxy)ethane (2.3 g), and the mixture was stirred at 0 C. for 3 hr. To the reaction mixture was added water, and the mixture was extracted with ethyl acetate. The obtained organic layer was washed with saturated brine, and dried over anhydrous magnesium sulfate, and the solvent was evaporated under reduced pressure. The residue was purified by silica gel column chromatography (hexane/ethyl acetate) to give the title compound (0.82 g). (1596) MS(ESI+): [M+H]+ 270.1
  • 13
  • [ 5414-19-7 ]
  • [ 21230-43-3 ]
  • ethyl 1-methyl-3-morpholino-1H-pyrazole-4-carboxylate [ No CAS ]
YieldReaction ConditionsOperation in experiment
87% With caesium carbonate; In N,N-dimethyl acetamide; at 120℃; A solution of the <strong>[21230-43-3]ethyl 3-amino-1-methyl-1H-pyrazole-4-carboxylate</strong> (500 mg, 2.95 mmol), C52CO3 (2.9 g, 8.87 mmol), 1-bromo-2-(2-bromoethoxy) ethane (1.37 g, 5.90 mmol) in DMA(lOmL) as stirred at 120C overnight. Then H20 (20 mL) was added to the mixture and it was extracted with EA(x3). The organic layer was dried and purified by flash to give desired compound as yellow oil (610 mg, 87%). ESI-MS m/z: 240.0 [M+Hjt
87% With caesium carbonate; In N,N-dimethyl acetamide; at 120℃; A solution of the <strong>[21230-43-3]ethyl 3-amino-1-methyl-1H-pyrazole-4-carboxylate</strong> (500 mg, 2.95 mmol), Cs2CO3 (2.9 g, 8.87 mmol), 1-bromo-2-(2-bromoethoxy) ethane (1.37 g, 5.90 mmol) in DMA (10mL) as stirred at 120 oC overnight. Then H2O (20 mL) was added to the mixture and it was extracted with EA(x3). The organic layer was dried and purified by flash to give desired compound as yellow oil (610 mg, 87%). ESI-MS m/z: 240.0 [M+H]+.
  • 14
  • [ 5414-19-7 ]
  • [ 99365-40-9 ]
  • [ 1190861-43-8 ]
YieldReaction ConditionsOperation in experiment
31% n-BuLi (2M in hexane, 22.6 mL, 45.27 mmol) was added drop wise at -40C to a solution of 6-bromo-indolin-2-one (3 g, 14.14 mmol) and diisopropylamine (6.3 mL, 45.27 mmol) in THF (60 mL). The mixture was stirred for 45 min at -40C, 1-bromo-2-(2-bromoethoxy)ethane was added drop wise at this temperature and stirring was continued at RT for 16 h. The reaction mixture was quenched with 4N hydrogen chloride solution (40 mL) and the aqueous phase was separated and extracted with EtOAc (3x 60 mL). The combined organic layers were washed with brine (50 mL), dried over Na2S04 and concentrated. The raw product was triturated with hexane (20 mL) and filtered. The filter was washed with hexane/EtOAc = 4:1 (100 mL) affording the target compound as light brown solid. Yield: 1.2 g (31 %). HPLC (method 1 ): Rt = 2.94 min, m/z [M+H]+ = 282.1 (MW calc. 282.13).
  • 15
  • [ 5414-19-7 ]
  • [ 56239-26-0 ]
  • [ 1228947-14-5 ]
  • 16
  • [ 5414-19-7 ]
  • [ 180683-64-1 ]
  • C15H28N2O3 [ No CAS ]
 

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