Dilithiated 2-(Chloromethyl)-3-tosylpropene: A New γ-Chlorinated Allyl Sulfone Dianion in Organic Synthesis
Dilithiation of 2-(chloromethyl)-3-tosylpropene (1) with n-butyllithium at -90 deg C in the presence of DMPU affords the allylic dianion 2 which reacts with deuterium oxide or very reactive alkylating agents to give α,α-disubstituted products 3 or 4, resp
Najera, Carmen,Sansano, Jose M.
p. 3491 - 3508
(2007/10/02)
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