Abstract
A manipulative simple and efficient green methodology for the synthesis of β-sulfonyl esters from sulfonyl hydrazides and acrylic esters promoted by DABCO (1,4-diazabicyclo[2.2.2]octane) is described. The reaction is conducted through sulfa-Michael addition reaction in the absence of solvent at 75°C within 2–3 h. The effects of different bases, molar ratio of DABCO, temperature and time parameters on yield of reaction were investigated.
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