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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 270335Generated: October 30, 2026

Methanesulfonyl chloride → Methanesulfonic acid 5-[3-(4-trifluoromethyl-phenyl)-benzo[d]isothiazol-6-yl]-pent-4-ynyl ester

https://huagongshe.com/reaction/270335

Reaction equation

Participants

RoleNameHCIDCharge
ReactantMethanesulfonyl chlorideHCID 31297—
Reactant5-[3-(4-Trifluoromethyl-phenyl)-benzo[d]isothiazol-6-yl]-pent-4-yn-1-olHCID 22313901—
ProductMethanesulfonic acid 5-[3-(4-trifluoromethyl-phenyl)-benzo[d]isothiazol-6-yl]-pent-4-ynyl esterHCID 86585421—

Reaction Steps

In analogy to example 15.1, 5-[3-(4-Trifluoromethyl-phenyl)-benzo[d]isothiazol-6-yl]-pent-4-yn-1-ol and methane sulfonyl chloride were converted to yield Methanesulfonic acid 5-[3-(4-trifluoromethyl-phenyl)-benzo[d]isothiazol-6-yl]-pent-4-ynyl ester light brown oil, MS: 369(M).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07449483B2
Source datasetuspto-grants-2008_11
ORD IDord-55459338f7e64ce7a42ee58524cdd1c8
Source noteuspto-grants-2008_11