Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1697642Generated: October 30, 2026

Tert-butyl 3-cyclopropyl-3-oxopropanoate → (2S,4R)-1-(3-Cyclopropyl-3-oxo-propionyl)-4-(2-trifluoromethyl-benzenesulfonyl)-pyrrolidine-2-carboxylic Acid Methyl Ester

https://huagongshe.com/reaction/1697642

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTert-butyl 3-cyclopropyl-3-oxopropanoateHCID 11126948—
Reactant(2S,4R)-4-(2-trifluoromethyl-benzenesulfonyl)-pyrrolidine-2-carboxylic acid methyl esterHCID 66771131—
Product(2S,4R)-1-(3-Cyclopropyl-3-oxo-propionyl)-4-(2-trifluoromethyl-benzenesulfonyl)-pyrrolidine-2-carboxylic Acid Methyl EsterHCID 86646850—

Reaction Steps

In analogy to the procedure described in example 192f, (2S,4R)-4-(2-trifluoromethyl-benzenesulfonyl)-pyrrolidine-2-carboxylic acid methyl ester (example 192e) was reacted with 3-cyclopropyl-3-oxo-propionic acid tert-butyl ester (CAS Reg. No. 134302-07-1) to give the title compound as brown oil. MS (ESI): m/z=448.1 [M+H]+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08163793B2
Source datasetuspto-grants-2012_04
ORD IDord-1ee783ab8f9f4317a37e7c65a3052c1e
Source noteuspto-grants-2012_04