El-Sharkawy K.A.; Said M.M.; Dardas G.
(Bulgarian Academy of Sciences, 2014)
The reaction of 5,6,7,8-tetrahydro-4H-cyclohepta[b]thiophene derivatives 3a, b with acetic anhydride in presence of glacial acetic acid produced the acetamido derivatives 4a, b. Cyclization of the latter compounds gave the ...