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Cyclopropanecarboxaldehyde → methyl 7-[4-(2-butoxyethoxy)phenyl]-1-cyclopropylmethyl-2,3-dihydro-1H-1-benzazepine-4-carboxylate

HRID 586930
Notes
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Reaction equation

HRID 586930 reaction equation
[CH2:1]([O:5][CH2:6][CH2:7][O:8][C:9]1[CH:14]=[CH:13][C:12]([C:15]2[CH:16]=[CH:17][C:18]3[NH:24][CH2:23][CH2:22][C:21]([C:25]([O:27][CH3:28])=[O:26])=[CH:20][C:19]=3[CH:29]=2)=[CH:11][CH:10]=1)[CH2:2][CH2:3][CH3:4].[CH:30]1([CH:33]=O)[CH2:32][CH2:31]1.C(O[BH-](OC(=O)C)OC(=O)C)(=O)C.[Na+].C(=O)([O-])O.[Na+]>ClCCCl.O>[CH2:1]([O:5][CH2:6][CH2:7][O:8][C:9]1[CH:10]=[CH:11][C:12]([C:15]2[CH:16]=[CH:17][C:18]3[N:24]([CH2:33][CH:30]4[CH2:32][CH2:31]4)[CH2:23][CH2:22][C:21]([C:25]([O:27][CH3:28])=[O:26])=[CH:20][C:19]=3[CH:29]=2)=[CH:13][CH:14]=1)[CH2:2][CH2:3][CH3:4]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

7

Reactant 4

HCID 123114CyclopropanecarboxaldehydeHCID 516892Sodium BicarbonateHCID 5049666Sodium triacetoxyborohydrideHCID 22328987methyl 7-[4-(2-butoxyethoxy)phenyl]-2,3-dihydro-1H-1-benzazepine-4-carboxylate

Product 1

HCID 22328970methyl 7-[4-(2-butoxyethoxy)phenyl]-1-cyclopropylmethyl-2,3-dihydro-1H-1-benzazepine-4-carboxylate
Yield 99%

Reagents, catalysts & solvents 2

HCID 111,2-DichloroethaneSolventHCID 962WaterSolvent

Procedure

In 1,2-dichloroethane (7 ml) were dissolved methyl 7-[4-(2-butoxyethoxy)phenyl]-2,3-dihydro-1H-1-benzazepine-4-carboxylate (0.4 g) and cyclopropanecarboaldehyde (0.3 g). To the solution was added sodium triacetoxyborohydride (0.43 g), and the mixture was stirred under nitrogen atmosphere at room temperature overnight, poured into water, neutralized with sodium hydrogen carbonate solution and extracted with ethyl acetate. The organic layer was washed with water and saturated brine and dried with anhydrous magnesium sulfate. The solvent was evaporated to give methyl 7-[4-(2-butoxyethoxy)phenyl]-1-cyclopropylmethyl-2,3-dihydro-1H-1-benzazepine-4-carboxylate (0.45 g) as yellow oil.

Workup

  1. extractionextracted with ethyl acetate
  2. washThe organic layer was washed with water and saturated brine
  3. dry with materialdried with anhydrous magnesium sulfate
  4. customThe solvent was evaporated

Sources & evidence

ORD record
ord-4b5ced4f82654a9d926f07edfae814d3
Source dataset
uspto-grants-2005_08
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US06936602B1

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes