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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1745669Generated: October 31, 2026

Trifluoroacetic acid → HCID 22224732, compound

https://huagongshe.com/reaction/1745669

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic acidHCID 6422—
Reactant3-(2,2-Dimethyl-6-oxo-6H-[1,3]dioxin-4-yl)-benzonitrileHCID 11736337—
ReactantHCID 69592820HCID 69592820—
SolventDichloromethaneHCID 6344—
ProductHCID 22224732HCID 2222473247%

Reaction Steps

Prepared from [2-amino-4-(4-chloro-phenylethynyl)-phenyl]-carbamic acid tert.-butyl ester (Example G13) (187 mg, 0.5 mmol) and 3-(2,2-dimethyl-6-oxo-6H-[1,3]dioxin-4-yl)-benzonitrile (Example J4) (184 mg, 0.6 mmol) according to the general procedure K. The obtained material (234 mg) was deprotected and cyclized by treatment with TFA in CH2Cl2 according to the general procedure M. Obtained as a light yellow powder (93 mg). MS (EI) 395 (M+) and 397 [(M+2)+]; mp 237–240° C. (dec.).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07018998B2
Source datasetuspto-grants-2006_03
ORD IDord-76a1d635847a4cd5b4b1f090375151c1
Source noteuspto-grants-2006_03