Reaction of allenic, α-acetylenic, and propagylic sulphones with (–)-ephedrine affords enantiomerically pure 1,3-oxazolidine; the reaction proceeds via formation of the conjugated enamine and subsequent cyclization.
Stereospecific synthesis of 1,3-oxazolidine from allenic and acetylenic sulphones / M. Cinquini, F. Cozzi, M. Pelosi. - In: JOURNAL OF THE CHEMICAL SOCIETY. PERKIN TRANSACTIONS. I. - ISSN 0300-922X. - :0(1979), pp. 1430-1432.
Stereospecific synthesis of 1,3-oxazolidine from allenic and acetylenic sulphones
M. CinquiniPrimo
;F. CozziSecondo
;
1979
Abstract
Reaction of allenic, α-acetylenic, and propagylic sulphones with (–)-ephedrine affords enantiomerically pure 1,3-oxazolidine; the reaction proceeds via formation of the conjugated enamine and subsequent cyclization.
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