Derivatives of benzo[4,5]cyclohepta[1,2-è]thiophene. 2. Synthesis of (±)-6,t-8b,9,10,11,12,13,t-13a-Octahydro-5H-7-thia-12a-azabenzo[f]-naphth[1,2,3-cd]azulene (QM-7184)†
Preceeding paper see E. Arribas and S. Vega, J. Heterocyclic Chem., in press.
Abstract
The synthesis of (±)-6,t-8,9,10,11,12,13,t-13a-octahydro-5H-7-thia-12a-azabenzo[f]naphth[1,2,3-cd]azulene (III) (QM-7184) by two independent pathways is described. Configurational assignments have been made on the basis of nmr spectral interpretations.