Chemische Berichte

Carben??Reaktionen mit Oxetan und mit Oxetan/Methanol??Gemischen

W Kirmse, R Lelgemann, K Friedrich

Index: Kirmse, Wolfgang; Lelgemann, Rudolf; Friedrich, Klaus Chemische Berichte, 1991 , vol. 124, # 8 p. 1853 - 1863

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Citation Number: 31

Abstract

Ethoxycarbonylcarbene, bis (methoxycarbonyl) carbene, phenylcarbene (17a), diphenylcarbene (l? b), fluorenylidene (I~ c), 2-furylcarbene (31 a], 2-furyl (phenyl) carbene (31 b), 4-oxo-2, 5-cyclohexadienylidene (40), and 4, 4-dimethyl-2, 5-cyclohexa-dienylidene (53) were generated by photolysis of the appropriate diazo compounds. With neat oxetane, most of these carbenes react by competitive CH insertion (B-+ A, Scheme 1) and ylide ...

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