Cyclopentanecarbonyl chloride → HCID 513945, compound

HRID 987957Notes

Reaction equation

[NH2:1][C@@H:2]([CH2:27][C:28]1[C:37]2[C:32](=[CH:33][CH:34]=[CH:35][CH:36]=2)[CH:31]=[CH:30][CH:29]=1)[C:3]([NH:5][CH2:6][CH2:7][CH2:8][C@H:9]([N:12]([S:17]([C:20]1[CH:25]=[CH:24][C:23]([NH2:26])=[CH:22][CH:21]=1)(=[O:19])=[O:18])[CH2:13][CH:14]([CH3:16])[CH3:15])[CH2:10][OH:11])=[O:4].[CH:38]1([C:43](Cl)=[O:44])[CH2:42][CH2:41][CH2:40][CH2:39]1>>[NH2:26][C:23]1[CH:22]=[CH:21][C:20]([S:17]([N:12]([CH2:13][CH:14]([CH3:16])[CH3:15])[C@H:9]([CH2:10][OH:11])[CH2:8][CH2:7][CH2:6][NH:5][C:3]([C@@H:2]([NH:1][C:43]([CH:38]2[CH2:42][CH2:41][CH2:40][CH2:39]2)=[O:44])[CH2:27][C:28]2[C:37]3[C:32](=[CH:33][CH:34]=[CH:35][CH:36]=3)[CH:31]=[CH:30][CH:29]=2)=[O:4])(=[O:19])=[O:18])=[CH:25][CH:24]=1

Participants

Reactant 2

HCID 78284Cyclopentanecarbonyl chloride

HCID 513930HCID 513930, compound2×

Product 1

HCID 513945HCID 513945, compound

Procedure

The title compound was prepared from (2S,4S)-2-amino-N-{4-[(4-amino-benzenesulfonyl)-isobutyl-amino]-5-hydroxy-pentyl}-3-naphthalen-1-yl-propionamide (product of example 8) as described in general procedure D using cyclopentanecarbonyl chloride. The final product was obtained in 52% yield.

Sources & evidence

ORD record: ord-2497f7f749824e969f42e6fc5ae5bb7d
Source dataset: uspto-grants-2003_10
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US06632816B1

Reaction notes

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