Direct access to 3-substituted 1,4-oxathiepino[5,6-b]pyridine-5-one through one-pot substitution cyclization reaction of 2-mercapto-3-nicotinic acid with α-bromo ketones

Direct access to 3-substituted 1,4-oxathiepino[5,6-b]pyridine-5-one through one-pot substitution cyclization reaction of 2-mercapto-3-nicotinic acid with α-bromo ketones

Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Tetrahedron Letters - Volume 55, Issue 2, 8 January 2014, Pages 358-361

Sukhdeep Singh, Andreas Schober, G. Alexander Gross,