Synthesis of N ‐( tert ‐Butoxycarbonyl)‐β‐Iodoalanine Methyl Ester: A Useful Building Block in the Synthesis of Nonnatural α‐Amino Acids via Palladium Catalyzed Cross Coupling Reactions

Abstract N‐(tert‐ Butoxycarbonyl)‐L‐serine methyl ester N‐(tert‐ Butoxycarbonyl)‐beta‐iodoalanine methyl ester N ‐( tert‐ Butoxycarbonyl)‐beta‐4‐(methoxycarbonyl)phenylalanine methyl ester 4‐Diaminopyridine Tris(dibenzylideneacetone)dipalladium