ChemInform Abstract: Synthesis of Bis(α-amino acids) by Palladium-Catalyzed Allylic Double Substitution.
Cheminform(2010)
摘要
Abstract The reaction of lithium enolate derived from benzophenone imine of glycine ethyl ester 1 with allylic dihalides 2 in the presence of a catalytic amount of Pd(Ph 3 ) 4 (5% mol) affords the corresponding bis(imino esters) 3 . Subsequent hydrolysis of compounds 3 gives the corresponding bis (α-amino acids) 4 . This methododology has been used to synthesise α,α'-diaminosuberic acid.
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关键词
amino acid
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