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pro vyhledávání: '"Francine Pietrasanta Et"'
Publikováno v:
Phosphorus and Sulfur and the Related Elements. 14:73-80
From the 31P and 13C NMR data, we have been able to analyze the course of the reaction between vinylene-1,2 bistriphenylphosphonium dibromide and compounds having a mobile hydrogen, in the presence of a base. We have proposed a global process with th
Publikováno v:
Phosphorus and Sulfur and the Related Elements. 14:63-71
Vinylene-1,2 bisphosphoniums salts react, in the presence of a base, with compounds ZH having a mobile hydrogen, to give a way of synthesis of β-substituted vinylphosphoniums salts 2 or β-disubstituted alkylphosphoniums salts 3. We have studied the