THE USE OF β-LACTAMS IN THE SYNTHESIS OF SPERMINE AND SPERMIDINE ALKALOIDS. TOTAL SYNTHESIS OF HOMALINE
The optically active plant product homaline (6) has been synthesized in a convergent sequence starting with β-phenyl-β-alanine and putrescine (14).The key transformation in this sequence is the ring expansion by transamidation of a functionalized chiral β-lactam precursor.
Wasserman, Harry H.,Berger, Gregory D.
p. 2459 - 2464
(2007/10/02)
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