SUBSTITUTED DIBENZ{8 a,h{9 AZULENONES AND 8-(OXA OR THIA) SUBSTITUTED DIBENZ{8 a,h{9 AZULENONES

摘要

Substituted dibenz[a,h]azulenones and 8-(oxa or thia) substituted dibenz[a,h]azulenones, e.g., 6,7-dihydro-benz[b]indeno[1,2-d]thiepin-8(8H)-one, prepared by treating a substituted spiro[1-benzoxa or thia-5(4H)-1'-isobenzofuran]-3'-one with concentrated mineral acid. The compounds are useful as anti-depressants.