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γ-Alkylsulfide phosphonates through the thia-Michael strategy

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journal contribution
posted on 12.09.2014 by Abderrahmen Abdelli, Hedi M'rabet, Mohamed Lotfi Efrit, Anne Gaucher, Damien Prim

The formation of γ-alkylsulfide phosphonates is described from allylphosphonates under mild conditions using thiols through the thia-Michael strategy. A series of new phosphonates, bisphosphonates were cleanly prepared in high yields. The methodology developed allowed further preparing γ-alkylsulfide phosphonates bearing valuable esters groups in β and δ positions with respect to the phosphonate moiety.