Stereoselective synthesis and tautomeric conversions of pyridyl-substituted 3,4-trans-1,2,3,4-tetrahydropyridines |
| |
Authors: | A. M. Shestopalov O. P. Bogomolova V. P. Litvinov |
| |
Affiliation: | (1) N. D. Zelinskii Institute of Organic Chemistry, Academy of Sciences of the USSR, Moscow |
| |
Abstract: | Condensation of pyridinium ylides with pyridylmethylenecyanoacetic ester or pyridylmethylenecyanothioacetamide proceeds stereoselectively to form substituted 4-pyridyl-3-(1-pyridinio)-3,4-trans-1,2,3,4-tetrahydropyridine-6-(olates)thiolates. Substituted 2-(oxo)thio-4-(4-pyridyl)-3-(1-pyridinio)-3,4-trans-1,2,3,4-tetrahydropyridine-6-(olates)thiolates in DMSO-d6 solution exist in tautomeric equilibrium with 4-(4-pyridinio)-3-(1-pyridinio)-1,4-dihydropyridine-2,6-(diolates)-dithiolates.Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 7, pp. 1630–1637, July, 1991. |
| |
Keywords: | |
本文献已被 SpringerLink 等数据库收录! |
|