139730-38-4Relevant articles and documents
ASYMMETRIC 1,3-DIPOLAR CYCLOADDITION OF CHIRAL SULPHINYLETHENES WITH 1-METHYL-3-OXIDOPYRIDINIUM AND SOME NITRONES
Takahashi, Tamiko,Fujii, Akihito,Sugita, Jun,Hagi, Toru,Kitano, Kazuyoshi,et al.
, p. 1379 - 1390 (2007/10/02)
1,3-Dipolar cycloaddition of (R)-(+)-p-tolyl vinyl sulphoxide 1 with 1-methyl-3-oxidopyridinium 6 proceeded in a diastereoselective manner to afford the exo and endo cycloadducts 11a,b and 12a in 36percent, 7percent and 29percent yield, respectively.The a