References
- 1973 . Chem. Abstr. , 73 : 2875m
- 1969 . Chem. Abstr. , 71 : 5974
- Everest etal Brit. 1,154,250 . 1969 .
- Yamazaki , N. , Tomioki , T. and Higashi , F. 1975 . Synthesis , : 384
- Ramadas , K. , Srinivasan , N. and Janarthanan , N. 1993 . Tetrahedron Lett. , 34 : 6447 and references therein
- Ramadas , K. and Srinivasan , N. Synth. Commn. , (in press)