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Oxalyl chloride → 1-[2-(1,1-Dioxido-2,3-dihydro-1,4-benzothiazepin-4(5H)-yl)-6-methylquinolin-4-yl]pyrrolidine-3-carbonyl chloride

HRID 540242
Notes
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Reaction equation

HRID 540242 reaction equation
[O:1]=[S:2]1(=[O:32])[C:8]2[CH:9]=[CH:10][CH:11]=[CH:12][C:7]=2[CH2:6][N:5]([C:13]2[CH:22]=[C:21]([N:23]3[CH2:27][CH2:26][CH:25]([C:28](O)=[O:29])[CH2:24]3)[C:20]3[C:15](=[CH:16][CH:17]=[C:18]([CH3:31])[CH:19]=3)[N:14]=2)[CH2:4][CH2:3]1.C(Cl)(=O)C([Cl:36])=O>ClCCl.CN(C)C=O>[O:1]=[S:2]1(=[O:32])[C:8]2[CH:9]=[CH:10][CH:11]=[CH:12][C:7]=2[CH2:6][N:5]([C:13]2[CH:22]=[C:21]([N:23]3[CH2:27][CH2:26][CH:25]([C:28]([Cl:36])=[O:29])[CH2:24]3)[C:20]3[C:15](=[CH:16][CH:17]=[C:18]([CH3:31])[CH:19]=3)[N:14]=2)[CH2:4][CH2:3]1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 2

HCID 65578Oxalyl chlorideHCID 712550861-[2-(1,1-Dioxido-2,3-dihydro-1,4-benzothiazepin-4(5H)-yl)-6-methylquinolin-4-yl]pyrrolidine-3-carboxylic acid

Product 1

HCID 866914181-[2-(1,1-Dioxido-2,3-dihydro-1,4-benzothiazepin-4(5H)-yl)-6-methylquinolin-4-yl]pyrrolidine-3-carbonyl chlorideYield 81.8%

Reagents, catalysts & solvents 2

HCID 6228DimethylformamideCatalyst
HCID 6344
Dichloromethane
Solvent

Procedure

To a cooled solution of 1-[2-(1,1-dioxido-2,3-dihydro-1,4-benzothiazepin-4(5H)-yl)-6-methylquinolin-4-yl]pyrrolidine-3-carboxylic acid (120 mg, 0.26 mmol) in dichloromethane (20 mL) was added two drops of N,N-dimethylformamide followed by oxalyl chloride (30.6 μL, 0.39 mmol) at 0° C. After being stirred for 16 hours at room temperature, the reaction mixture was concentrated in vacuo to afford 100 mg of the crude product which was used for the next step without any further purification.

Workup

  1. concentrationthe reaction mixture was concentrated in vacuo

Sources & evidence

ORD record
ord-aac0a56b4a3f40da9f89ce7da737d4ac
Source dataset
uspto-grants-2014_10
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08871756B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes