Replication of biosynthetic reactions enables efficient synthesis of A-factor, a γ-butyrolactone autoinducer from Streptomyces griseus
作者:Jesse B. Morin、Katherine L. Adams、Jason K. Sello
DOI:10.1039/c2ob06653j
日期:——
A-factor, the prototypical γ-butyrolactone signalling compound of Streptomyces bacteria. In analogy to enzymatic reactions in A-factor biosynthesis, our synthesis features a tandem esterification–Knoevenagel condensation yielding a 2-acyl butenolide and a surprising, chemoselective conjugate reduction of this α,β-unsaturated carbonyl compound using sodium cyanoborohydride.
我们报告了链霉菌细菌的典型的γ-丁内酯信号化合物A因子的简明合成。类似于A因子生物合成中的酶促反应,我们的合成过程具有串联酯化作用-诺文agel缩合反应,生成2-酰基丁烯内酯,并使用以下方法使该α,β-不饱和羰基化合物产生令人惊讶的化学选择性共轭还原反应:氰基硼氢化钠。