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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1438992Generated: October 31, 2026

2-Amino-5-methylbenzoic acid → 3-Methyl-5,6,7,8-tetrahydrocarbazole-1-carboxylic acid

https://huagongshe.com/reaction/1438992

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-Amino-5-methylbenzoic acidHCID 76255—
Reactant2-BromocyclohexanoneHCID 11789758—
Product3-Methyl-5,6,7,8-tetrahydrocarbazole-1-carboxylic acidHCID 1177598755%

Reaction Steps

Under the conditions of Example 60, 2-bromocyclohexanone is reacted with the methyl ester of 2-amino-5-methylbenzoic acid; after recrystallization from cyclohexane, the methyl ester of 3-methyl-5,6,7,8-tetrahydrocarbazole-1-carboxylic acid is obtained in a 55% yield, m.p. 111° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04057640
Source datasetuspto-grants-1977_11
ORD IDord-5cc3a8ad73984bc0b946d285119916ad
Source noteuspto-grants-1977_11