Abstract
( S)- N-Benzylproline (BP) was obtained by the reaction of ( S)-proline and benzylchloride in high chemical yield (89%). ( S)-2-[ N-( N′-Benzylprolyl)amino]benzophenone (BPB) was synthesized in amounts greater than 100 g by the SOCl 2 promoted condensation of BP with 2-aminobenzophenone (yield 82%). Ni(II) complexes of Schiff's bases derived from BPB and amino acids were prepared by an improved procedure involving the use of KOH as a base and MeOH as solvent (yield 90–91%).
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