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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2176760Generated: November 1, 2026

4-Oxo-4-(pyrrolidin-1-yl)butanoic acid → (3aR,4S,7aR)-4-(4-oxo-4-pyrrolidin-1-yl-butyryloxy)-4-m-tolylethynyl-octahydro-indole-1-carboxylic acid methyl ester

https://huagongshe.com/reaction/2176760

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-Oxo-4-(pyrrolidin-1-yl)butanoic acidHCID 853808—
Reactant(3aS,4R,7aS)-4-hydroxy-4-m-tolylethynyl-octahydro-indole-1-carboxylic acid methyl esterHCID 68276168—
Product(3aR,4S,7aR)-4-(4-oxo-4-pyrrolidin-1-yl-butyryloxy)-4-m-tolylethynyl-octahydro-indole-1-carboxylic acid methyl esterHCID 60142444—

Reaction Steps

Synthesis in analogy to the General Method 1 starting from (3aS,4R,7aS)-4-hydroxy-4-m-tolylethynyl-octahydro-indole-1-carboxylic acid methyl ester and 4-oxo-4-(pyrrolidin-1-yl)-butanoic acid to yield (3aR,4S,7aR)-4-(4-oxo-4-pyrrolidin-1-yl-butyryloxy)-4-m-tolylethynyl-octahydro-indole-1-carboxylic acid methyl ester. MS [M+H]=467; RT=2.88 min; UPLC Method II

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09067881B2
Source datasetuspto-grants-2015_06
ORD IDord-8aae1af1f63042be8f5a3c31903a7b78
Source noteuspto-grants-2015_06