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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 355122Generated: October 29, 2026

2-Bromobenzoic acid → 2-Bromo-5-(chlorosulfonyl)benzoic acid

https://huagongshe.com/reaction/355122

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-Bromobenzoic acidHCID 6940—
Reactant2-MethylpiperidineHCID 7974—
ReactantChlorosulfonic acidHCID 24638—
Product2-Bromo-5-(chlorosulfonyl)benzoic acidHCID 3427298—

Reaction Steps

2-Bromo-5-chlorosulfonylbenzoic acid is prepared by reacting o-bromobenzoic acid with chlorosulfonic acid by the method of Example 1. This is reacted with 2-methylpiperidine by the procedure of Example 6. Recrystallization from acetone-hexane yields the product, m.p. 148°-150° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04377521
Source datasetuspto-grants-1983_03
ORD IDord-199c3bcff2254de4a68572daf39e9ff6
Source noteuspto-grants-1983_03