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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1265800Generated: October 31, 2026

Trifluoroacetic acid → 8-Fluoro-4-[3-(3-methyl-isoxazol-5-yl)-phenyl]-7-pyrrolidin-1-yl-1,3-dihydro-benzo[b][1,4]diazepin-2-one

https://huagongshe.com/reaction/1265800

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic acidHCID 6422—
Reactant(4-Fluoro-2-{3-[3-(3-methyl-isoxazol-5-yl)-phenyl]-3-oxo-propionylamino}-5-pyrrolidin-1-yl-phenyl)-carbamic acid tert.-butyl esterHCID 86586840—
SolventDichloromethaneHCID 6344—
Product8-Fluoro-4-[3-(3-methyl-isoxazol-5-yl)-phenyl]-7-pyrrolidin-1-yl-1,3-dihydro-benzo[b][1,4]diazepin-2-oneHCID 18613491—

Reaction Steps

The title compound was prepared from (4-fluoro-2-{3-[3-(3-methyl-isoxazol-5-yl)-phenyl]-3-oxo-propionylamino}-5-pyrrolidin-1-yl-phenyl)-carbamic acid tert.-butyl ester (Example M48) by treatment with TFA in CH2Cl2 according to the general procedure N. Obtained as a brown solid (86 mg).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06544985B2
Source datasetuspto-grants-2003_04
ORD IDord-636952392658406481d1bde9314be21c
Source noteuspto-grants-2003_04