Y. Nakamura et Cg. Shin, FACILE SYNTHESIS AND REACTIONS OF (Z)-ALPHA,BETA-DIDEHYDROAMINO ALDEHYDES FROM (Z)-ALPHA,BETA-DIDEHYDROAMINO ACID-ESTERS, Synthesis, (11), 1993, pp. 1158-1161
The general synthesis of (Z)-alpha,beta-didehydroamino aldehydes 3 was
accomplished by the reduction of (Z)-alpha,beta-didehydroamino acid e
sters with lithium aluminum hydride followed by Swern oxidation. Subse
quent Grignard reaction of 3 with alkylmagnesium halides was carried o
ut to give various N-protected amino alkenols and amino alkadienols.