The application of vinylogous iminium salt derivatives to efficient formal syntheses of the marine akaloids lamellarin G trimethyl ether and ningalin B.
The application of vinylogous iminium salt derivatives to efficient formal syntheses of the marine akaloids lamellarin G trimethyl ether and ningalin B.
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DOI:
10.1016/j.tet.2009.03.085
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发表时间:
2009-05-30
期刊:
影响因子:
2.1
通讯作者:
Kanters RP
中科院分区:
文献类型:
--
作者:
Gupton JT;Giglio BC;Eaton JE;Rieck EA;Smith KL;Keough MJ;Barelli PJ;Firich LT;Hempel JE;Smith TM;Kanters RP
Studies directed at the synthesis of lamellarin G trimethyl ether and ningalin B via vinylogous iminium salt derivatives are described. The successful strategy relies on the formation of a 2,4-disubstituted pyrrole or a 1,2,3,4-tetrasubstituted pyrrole from a vinylogous iminium salt or vinylogous iminium salt derivative. Subsequent transformations of these highly substituted pyrroles lead to efficient and regiocontrolled formal syntheses of the respective pyrrole containing natural products.
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