References
- Liu , J.-S. , Zhu , Y.-L. , Zhou , Y. Z. , Han , Y.-Y. , Wu , F. W. and Qi , B.-F. 1986 . Can. J. Chem. , 64 : 837
- Tang , X.-C. , Han , Y.-F. , Chen , X.-P. and Zhu , X.-D. 1986 . Acta Pharm. Sin. , 7 : 507
- Xu , H. and Tang , X.-C. 1987 . Acta Pharm. Sin. , 8 : 18 Wang, Y.; Yue, D.-X.; Tang, X.-C. Acta Pharm. Sin. 1986, 7, 110
- Kozikowski , A. P. and Xia , Y. 1989 . J. Am. Chem. Soc. , 111 : 4116 Kozikowski, A. P.; Xia, Y.; Reddy, R.; Tuckmantel, W.; Hanin, I.; Tang, X. C. J. Org. Chem., 1991, 56, 4636
- Qian , L. and Ji , R. 1989 . Tetrahedron Lett. , 30 : 2089
- Kraus , G. A. , Hon , Y. S. , Thomas , P. J. , Laramay , S. , Liras , S. and Hansen , J. 1989 . Chem. Rev. , 89 : 1591
- An alternate preparation which is easier for large scale preparations involves generation of the enol silyl ether with LDA and TMSCI in THF followed by reaction of the enol silyl ether with p-toluenesulfinyl chloride and tin tetrachloride.8
- Meanwell , N. A. and Johnson , C. R. 1982 . Synthesis , : 283
- Kraus , G. A. and Hansen , J. 1990 . Tetrahedron Lett. , 31 : 2233