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Sodium Acetate → 3-[2-(Benzofuran-2-ylmethoxycarbonylamino)-2-(1-phenyl-ethylcarbamoyl)-propyl]-indole-1-carboxylic acid 4-(3-hydroxy-pyrrolidin-1-ylmethyl)-benzoyloxymethyl ester monohydrochloride salt

HRID 1384511
Notes
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Reaction equation

HRID 1384511 reaction equation
[CH:1]([C:3]1[CH:52]=[CH:51][C:6]([C:7]([O:9][CH2:10][O:11][C:12]([N:14]2[C:22]3[C:17](=[CH:18][CH:19]=[CH:20][CH:21]=3)[C:16]([CH2:23][C:24]([NH:37][C:38]([O:40][CH2:41][C:42]3[O:43][C:44]4[CH:50]=[CH:49][CH:48]=[CH:47][C:45]=4[CH:46]=3)=[O:39])([C:26](=[O:36])[NH:27][CH:28]([C:30]3[CH:35]=[CH:34][CH:33]=[CH:32][CH:31]=3)[CH3:29])[CH3:25])=[CH:15]2)=[O:13])=[O:8])=[CH:5][CH:4]=1)=O.[ClH:53].[OH:54][CH:55]1[CH2:59][CH2:58][NH:57][CH2:56]1.C([O-])(=O)C.[Na+]>C(Cl)(Cl)Cl>[ClH:53].[OH:54][CH:55]1[CH2:59][CH2:58][N:57]([CH2:1][C:3]2[CH:52]=[CH:51][C:6]([C:7]([O:9][CH2:10][O:11][C:12]([N:14]3[C:22]4[C:17](=[CH:18][CH:19]=[CH:20][CH:21]=4)[C:16]([CH2:23][C:24]([NH:37][C:38]([O:40][CH2:41][C:42]4[O:43][C:44]5[CH:50]=[CH:49][CH:48]=[CH:47][C:45]=5[CH:46]=4)=[O:39])([C:26](=[O:36])[NH:27][CH:28]([C:30]4[CH:35]=[CH:34][CH:33]=[CH:32][CH:31]=4)[CH3:29])[CH3:25])=[CH:15]3)=[O:13])=[O:8])=[CH:5][CH:4]=2)[CH2:56]1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 517045Sodium AcetateHCID 27694083-Hydroxypyrrolidine hydrochlorideHCID 206699173-[2-(Benzofuran-2-ylmethoxycarbonylamino)-2-(1-phenyl-ethylcarbamoyl)-propyl]-indole-1-carboxylic acid 4-formylbenzoyloxymethyl ester

Product 1

HCID 702091333-[2-(Benzofuran-2-ylmethoxycarbonylamino)-2-(1-phenyl-ethylcarbamoyl)-propyl]-indole-1-carboxylic acid 4-(3-hydroxy-pyrrolidin-1-ylmethyl)-benzoyloxymethyl ester monohydrochloride salt
Yield 51%

Reagents, catalysts & solvents 1

HCID 6212ChloroformSolvent

Procedure

NaHB(OAc)3 (0.085 g, 0.4 mmol, 1.4 eq.) was added in three equal portions in 10 minutes to a cloudy solution of compound 19 (0.2 g, 0.285 mmol), 3-hydroxypyrrolidine hydrochloride (0.07 g, 0.57 mmol, 2.0 eq.) and sodium acetate (0.047 g, 0.57 mmol, 2.0 eq.) in dry chloroform (10 mL) under N2 in an ice bath. The reaction was stirred in ice bath for 20 minutes and at room temperature for 4 hours to give a white suspension. The reaction mixture was worked up and purified as above to give compound 20h (0.113 g, 51%) as a white foam.

Workup

  1. customat room temperature for 4 hours to give a white suspension
  2. custompurified as above

Sources & evidence

ORD record
ord-5f83beaa3a854b4cab87006818cab199
Source dataset
uspto-grants-2001_07
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US06258800B1

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes