139730-37-3Relevant academic research and scientific papers
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
The First Asymmetric 1,3-Dipolar Cycloaddition of 1-Methyl-3-oxidopyridinium and (R)S-p-Tolyl Vinyl Sulfoxide. An Enantioselective Synthesis of (1S)-(-)-2α-Tropanol
Takahashi, Tamiko,Kitano, Kazuyoshi,Hagi, Toru,Nihonmatsu, Hiroko,Koizumi, Toru
, p. 597 - 598 (2007/10/02)
The fisrt enantioselective synthesis of (1S)-(-)-2α-tropanol, which has the opposite absolute configuration to that of natural cocaine, was achieved by an asymmetric 1,3-dipolar cycloaddition of (R)S-p-tolyl vinyl sulfoxide and 1-methyl-3-oxido
