References
- Bergman , J. 1988 . Studies in Natural Product Chemistry , Edited by: Atta-ur-Rahman . Vol.1 , 3 Amsterdam : Elsevier . Stereoselective Synthesis (Part A)
- Moody , C. J. and Rahimtoola , K. F. 1992 . J. Org. Chem. , 57 : 2105 and references cited therein.
- Sundberg , R. J. 1967 . J. Org. Chem. , 32 : 290
- Nagarathnam , D. and Srinivasan , P. C. 1982 . Synthesis , : 926