Derivatives of benzo[4,5]cyclohepta[1,2‐b]thiophene 3. Synthesis of 2,3,6,7‐tetrahydro‐3‐oxobenzo[1,2]cyclohepta[3,4,5‐hi]thieno[3,4‐c]pyridine and 2,3,7,8‐tetrahydro‐3‐oxothieno[2,1‐b]cyclohepta[5,6,7‐de]isoquinoline | Publicación