Tetrahedron p. 6651 - 6668 (1995)
Update date:2022-08-29
Topics:
Padwa
Coats
Semones
A series of 3,3-disubstituted bicyclic anhydro-4-hydroxy-2-oxo-1,3-thiazinium hydroxides are easily prepared from the reaction of 3H-thiolactams with 1,3-bielectrophiles. These cross-conjugated heteroaromatic betaines undergo regio- and diastereospecific
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