Reactions of dimethylphosphono-substituted diazoalkanes.(MeO) 2P (O) CR transfer to olefins and 1, 3-dipolar additions of (MeO) 2P (O) C (N2) R

D Seyferth, RS Marmor, P Hilbert

Index: Seyferth,D. et al. Journal of Organic Chemistry, 1971 , vol. 36, p. 1379 - 1386

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Citation Number: 327

Abstract

The dimethylphosphono-substituted diazoalkanes PhC (Nz) P (0)(OMe) z and N2CHP (0)(OMe) 2 have been prepared, the first via the tosylhydrazone route, and the second by diazotization of the amine, and both could be isolated as the pure compounds. Their copper- catalyzed decomposition in the presence of olefins serves well in the preparation of dimethylphosphono-substituted cyclopropanes. Dimethyl cy-diazobenzylphosphonate ...

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