An Efficient Synthesis of Coumestrol and Coumestans by Iodocyclization and Pd-Catalyzed Intramolecular Lactonization
作者:Tuanli Yao、Dawei Yue、Richard C. Larock
DOI:10.1021/jo0517038
日期:2005.11.1
The iodocyclization of acetoxy-containing 2-(1-alkynyl)anisoles and subsequent direct palladium-catalyzed carbonylation/lactonization provide an efficient route to naturally occurring coumestan and coumestrol, and their related analogues.
WOLFBEIS O. S.; ZIEGLER E.; KNIERZINGER A.; WIPFLER H.; TRUMMER I., MONATSH. CHEM., 1980, 111, NO 1, 93-112
作者:WOLFBEIS O. S.、 ZIEGLER E.、 KNIERZINGER A.、 WIPFLER H.、 TRUMMER I.