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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1698314Generated: October 31, 2026

Isobutyryl chloride → (3S*,5R*)-5-Isobutyrylamino-piperidine-3-carboxylic acid [4-chloro-3-(3-methoxy-propoxy)-benzyl]-cyclopropyl-amide

https://huagongshe.com/reaction/1698314

Reaction equation

Participants

RoleNameHCIDCharge
ReactantIsobutyryl chlorideHCID 62325—
Reactant(3R*,5S*)-3-amino-5-{[4-chloro-3-(3-methoxy-propoxy)-benzyl]-cyclopropyl-carbamoyl}-piperidine-1-carboxylic acid 9H-fluoren-9-ylmethyl ester, hydrochlorideHCID 131729669—
SolventAcetonitrileHCID 6342—
Product(3S*,5R*)-5-Isobutyrylamino-piperidine-3-carboxylic acid [4-chloro-3-(3-methoxy-propoxy)-benzyl]-cyclopropyl-amideHCID 57870347—

Reaction Steps

The title compound is prepared analogously as described in Example 61 using (3R*,5S*)-3-amino-5-{[4-chloro-3-(3-methoxy-propoxy)-benzyl]-cyclopropyl-carbamoyl}-piperidine-1-carboxylic acid 9H-fluoren-9-ylmethyl ester, hydrochloride (Example 92A.) and isobutyryl chloride. MS: 466.4 [M+H]+; tR (HPLC, Nucleosil C18; 5-100% CH3CN+0.1% TFA/H2O+0.1% TFA for 8 min, flow 1.5 ml/min): 5.04 min.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08163773B2
Source datasetuspto-grants-2012_04
ORD IDord-3a0186648134459ab5e7cf5e1a4ae75b
Source noteuspto-grants-2012_04