Anion-catalyzed addition of gamma-silylallenyl esters to aldehydes: a new entry into [3.2.1] bicyclic natural products.
Anion-catalyzed addition of gamma-silylallenyl esters to aldehydes: a new entry into [3.2.1] bicyclic natural products.
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DOI:
10.1021/ja810136m
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发表时间:
2009-04-01
影响因子:
15
通讯作者:
Lepore SD
中科院分区:
文献类型:
--
作者:
Maity P;Lepore SD
A significant improvement in generality and reactivity of MBH-type reactions made possible by anion-catalysis and a 1,3-Brook rearrangement. In this new reaction, both aliphatic and aromatic aldehydes are rapidly added to silylallenes leading to γ-carbinol allenoates at cold temperatures. The utility of these reaction products is demonstrated by a fast-tracked synthesis of a [3.2.1] bisoxa-bicycle which makes up the framework of many biologically active natural products including vitisinol D, an anti-thrombotic agent.
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