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Published on: September 17, 2019
An efficient synthesis of a 4'-phosphonodifluoromethyl-3'-formyl-phenylalanine containing SRC SH2 ligand
W C Shakespeare1, R S Bohacek, S S Narula
1ARIAD Pharmaceuticals, Inc., Cambridge, MA 02139-4234, USA.
Bioorganic & Medicinal Chemistry Letters
|November 24, 1999
Abstract:
A CuBr-mediated, regioselective cross-coupling between methyl 2,5-diiodobenzoate (4) and [(diethoxyphosphinyl)difluoromethyl]zinc bromide is reported. Palladium-catalyzed incorporation of an amino acid side chain, followed by subsequent modifications resulted in the rapid construction of 2. Compound 2 was designed to engage Cys188 of the Src SH2 domain, however, this was not observed spectroscopically.

