作者:A. M. Shestopalov、V. P. Litvinov、L. A. Rodinovskaya、Yu. A. Sharanin
DOI:10.1055/s-1991-26477
日期:——
trans-4,5-Substituted 1,4,5,6-tetrahydropyridine-2-(olates)thiolates are prepared either from pyridinium salts and cyanoacetic acid derivatives or from pyridinium salts, aromatic aldehydes and ethyl cyanoacetate or cyanoacetamide in the presence of a base.
Stereoselective transformation of 1,3-dithia-4-cyclohexene enaminonitriles into substituted 3,4-trans-1,2,3,4-tetrahydropyridine-6-thiolates with pyridinium ylides
作者:A. M. Shestopalov、A. S. Demerkov、Yu. A. Sharanin、V. P. Litvinov