Mehta, Goverdhan; Subrahmanyam, Duvvuri; Rao, G. S. R. Subba, Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1985, vol. 24, p. 797 - 798
A new approach to the [3.3.3] propellane system via a key photochemical oxa-di-π-methane rearrangement has culminated in a synthesis of the sesquiterpene hydrocarbon (±)-modhephene (1).