Synthesis

One-Pot Synthesis of Internal Conjugated (Z)-Enynyltrimethylsilanes Possessing Aryl, Cycloalkenyl,(E)-or (Z)-Alk-1-enyl Moieties on the sp Carbon Atom via Two …

M Hoshi, T Iizawa, M Okimoto, K Shirakawa

Index: Hoshi, Masayuki; Iizawa, Tomohiko; Okimoto, Mitsuhiro; Shirakawa, Kazuya Synthesis, 2008 , # 22 p. 3591 - 3600

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Abstract

Abstract Described herein is an operationally simple and mild method for the stereospecific synthesis of internal conjugated (Z)-enynyltrimethylsilanes whose conjugation is extended away from the distal alkynyl carbon atom. This protocol involves two types of cross-coupling reaction, a Suzuki-type reaction and a sila-Sonogashira reaction, and the desired synthesis can be performed in a one-pot manner. Thus, the copper-mediated cross-coupling ...

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