A. Srikrishna and S. Anitha Nagamani
J. Chem. Soc., Perkin Trans. 1, 1999, 3393-3394
DOI:
10.1039/A908033C,
Paper
Employing an epoxide rearrangement based ring contraction reaction, a short and efficient regioselective approach to the C-6 to C-19 segment of the toluquinol substituted diterpenes bifurcaranes, and its extension to a formal total synthesis of the sesquiterpenes (±)-β-microbiotene, (±)-microbiotol and (±)-cyclocuparanol are described.