1: Z-I-Ala-O-tBu With naphthalene; lithium; zinc(II) chloride in tetrahydrofuran 35 h; 2: para-amino-iodo-benzene With copper(I) bromide dimethylsulfide complex; tris-(o-tolyl)phosphine; tris(dibenzylideneacetone)dipalladium (0) in ethylene glycol dimethyl ether T=-10 - 20°C; Negishi cross-coupling;