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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1293863Generated: October 25, 2026

4-[(4-Bromobenzene)sulfonyl]morpholine → 3-[4-(Morpholine-4-sulfonyl)-phenylethynyl]-7-trifluoromethyl-5-(4-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidine

https://huagongshe.com/reaction/1293863

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-[(4-Bromobenzene)sulfonyl]morpholineHCID 253128—
Reactant3-Ethynyl-7-trifluoromethyl-5-(4-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidineHCID 71539732—
Product3-[4-(Morpholine-4-sulfonyl)-phenylethynyl]-7-trifluoromethyl-5-(4-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidineHCID 86608063—

Reaction Steps

The title compound was prepared from 3-ethynyl-7-trifluoromethyl-5-(4-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidine (example C.1) (355 mg, 1.0 mmol) and 4-(4-bromo-benzenesulfonyl)-morpholine (example B.26) (276 mg, 1.0 mmol) according to general procedure II. Obtained as an orange solid (450 mg, 77%). MS (ISP) 581.2 [(M+H)+]; mp 229–231° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07238808B2
Source datasetuspto-grants-2007_07
ORD IDord-027887e9fe1f49b0a7793fd1b89a3954
Source noteuspto-grants-2007_07