References
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- Sheehan , J. C. and Nafissi-V , M. M. 1969 . J. Amer. Chem. Soc. , 91 : 4596
- Talaty , E. R. , Dupuy , A. E. Jr. , Johnson , C. K. , Pirotte , T. P. , Fletcher , W. A. and Thompson , R. E. 1970 . Tetrahedron Lett. , : 4435 H. Quast, E. Schmitt, and R. Frank, Angew. Chem., Int. Ed. Engl., 10, 651 (1971)
- All compounds have ir, nmr, and mass spectral properties consistent with the proposed structures