Reactions of thioketen s-oxides with diazo compounds
作者： E. Schaumann , H. Behr , G. Adiwidjaja , A. Tangerman , B.H.M. Lammerink
DOI: 10.1016/S0040-4020(01)97738-5
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摘要: Abstract Thioketen S-oxides 1 react with 2-diazopropane (2a) to give 1-pyrazoline-4-thione 3 Addition of diazomethane yields a stable 1:1-adduct only from the S-oxide 1c. The constitution both types cycloadducts (3, 11) was proven by X-ray diffraction. Irradiation leads loss nitrogen afford alkylidene thiirane 12.
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