Iodonium ylides of methyl 3-oxo-trans,trans-6,8-tetradecadienoate (1) and diprotected methyl 3,5-di(t-butyldimethyl-silyloxy)-2,6,8-tetradecatrieneoate (5) undergo regio-and stereoselective intramolecular cyclopropanation with Cu(I)Cl catalysis to form key bicyclo[3.1.0] intermediates for prostaglandin synthesis. (C) 1998 Elsevier Science Ltd. All rights reserved.
Iodonium ylides of methyl 3-oxo-trans,trans-6,8-tetradecadienoate (1) and diprotected methyl 3,5-di(t-butyldimethyl-silyloxy)-2,6,8-tetradecatrieneoate (5) undergo regio-and stereoselective intramolecular cyclopropanation with Cu(I)Cl catalysis to form key bicyclo[3.1.0] intermediates for prostaglandin synthesis. (C) 1998 Elsevier Science Ltd. All rights reserved.
Regioselective cyclopropanation reactions using iodonium ylides: Synthesis of prostaglandin precursors
作者:Robert M. Moriarty、Eric J. May、Liang Guo、Om Prakash
DOI:10.1016/s0040-4039(97)10620-7
日期:1998.2
Iodonium ylides of methyl 3-oxo-trans,trans-6,8-tetradecadienoate (1) and diprotected methyl 3,5-di(t-butyldimethyl-silyloxy)-2,6,8-tetradecatrieneoate (5) undergo regio-and stereoselective intramolecular cyclopropanation with Cu(I)Cl catalysis to form key bicyclo[3.1.0] intermediates for prostaglandin synthesis. (C) 1998 Elsevier Science Ltd. All rights reserved.