Studies of heterocyclic compounds. Part XII. A three-step synthesis of 6a-thiathiophthen from γ-pyrone
Abstract
6a-Thiathiophthen has been synthesised in 12% overall yield by the sequence γ-pyrone → 4H-pyran-4-thione → 1-oxa-6,6a-dithiapentalene → 6a-thiathiophthen.