... Synthesis of Alanine and Proline Y. Becker,*' A. Eisenstadt, and J. K. Stille* Department of Chemistry, Colorado State Uniuersity, Fort Collins, Colorado 80523 Received February 19, 1980 ... 0 1980 American Chemical Societv Page 2. 2146 J. Org. Chem., Vol. 45, No. 11, 1980 ...