References
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- Sukh , Dev . 1981 . Accts. Chem. Res. , 14 : 85
- Shitole , H. R. and Nayak , U. R. 1983 . Indian J. Chem. , 22B : 215 For e. g., under acidic conditions 10-methyl-longibornyl-10-cation undergoes multiple rearrangement resulting in 8-methyl-isolongifolene
- Suryawanshi , S. N. and Nayak , U. R. 1977 . Tetrahedron Lett. , : 2619 Indian J. Chem. 1980, 19B, 1.
- Bamford , W. R. and Stevens , T. S. 1952 . J. Chem. Soc. , : 4735
- Shapiro , R. H. 1976 . Organic Reactions , 23 : 405
- The resulting mixture was separated by a combination of silica gel/Ag+-impregnated silica gel column chromatography: longicyclene 5 (15%), neolongifolene 2 (45%) and ethylene glycol alkylated ether of 11 (16%).
- Methyl singlets of longifolene 1 at 60.97, 0.93 and 0.90.
- Nayak , U. R. and Sukh , Dev . 1968 . Tetrahedron , 24 : 4099