The systhesis of a 5,7-membered fused-ring compound by a tandem pummerer rearrangement and intramolecular [4+3] cycloaddition

Article abstract of DOI:10.1016/S0040-4039(98)02404-6

A 5, 7-membered fused-ring compound with a functionalized angular substituent, 8-methoxy-8aα-methoxymethyl-7-phenylthio-1, 2, 3, 6-tetrahydro- 3aα, 6β-epoxyazulene, was synthesized via a tandem. Pummerer rearrangement and intramolecular [4+3] cycloaddition.