145430-40-6Relevant articles and documents
Enamino Ketones as Precursors of Functionalised 2H-Thiopyrans and Thiopyrano- and -benzothiopyrans
Gabbutt, Christopher D.,Hepworth, John D.,Heron, B. Mark
, p. 2603 - 2608 (2007/10/02)
Oxo enamino ketones obtained by treating active methylene compounds with N,N-dimethylformamide dimethyl acetal yield novel 2H-thiopyrans in a regioselective one pot thionation--cycloaddition sequence.Application of similar methodology to thiochroman-3-ones affords novel thiopyranobenzothiopyrans and the isomers.