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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1062152Generated: October 26, 2026

Trifluoroacetic acid → HCID 22224709, compound

https://huagongshe.com/reaction/1062152

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic acidHCID 6422—
Reactant2,2-Dimethyl-6-(3-trifluoromethyl-phenyl)-[1,3]dioxin-4-oneHCID 22224716—
ReactantN-(3-Amino[1,1'-biphenyl]-4-yl)-carbamic Acid tert-Butyl EsterHCID 57717454—
SolventDichloromethaneHCID 6344—
ProductHCID 22224709HCID 2222470962.6%

Reaction Steps

Prepared from (3-amino-biphenyl-4-yl)-carbamic acid tert.-butyl ester (Example G9) (284 mg, 1.0 mmol) and 2,2-dimethyl-6-(3-trifluoromethyl-phenyl)-[1,3]dioxin-4-one (Example J5) (408 mg, 1.2 mmol) according to the general procedure K. The obtained material (392 mg) was deprotected and cyclized by treatment with TFA in CH2Cl2 according to the general procedure M. Obtained as a yellow solid (238 mg).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06960578B2
Source datasetuspto-grants-2005_11
ORD IDord-cfd90f54f7574f8da3c4274644d9fbd0
Source noteuspto-grants-2005_11