Chemistry Letters

Photolysis and Pyrolysis of Polysilylated Diazomethanes. Effective Migrating Tendency of Trimethylsilyl Group to a Carbene Center

A Sekiguchi, W Ando

Index: Sekiguchi, Akira; Ando, Wataru Chemistry Letters, 1983 , p. 871 - 874

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Citation Number: 18

Abstract

872 Chemistry Letters, 19 8 3 lithium trimethylsilyldiazomethane prepared from trimethylsilyldiazomethane and 8 ) lithium diisopropylamide. Similarly, silyldiazomethane 3_ was prepared quantitatively from tris(trimethylsilyl)chlorosilane and lithium trimethylsilyl- 9) diazomethane. Flash vacuum pyrolysis of 1 at 450°C produced disilacyclobutane 5_ in 47% yield (a mixture of trans and eis; ratio 59 : 41), apparently formed by the head-to-tail dimerization of silaethylene 4_. ...

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