REFERENCES
- Russ , H. W. and Tappe , H. 1994 . Eur. Pat. Appl. EP. , 629 : 627
- Michael , Sefkow and Helvi , Kaatz . 1999 . Tetrahedron Lett. , 40 ( 36 ) : 6561
- Nakazumi , H. 1998 . J. Soc. Dyers and colourists , 104 : 121
- Qian , F. , Fang , J.-H. , Jin , W. and Pan , D.-C. 1994 . Chemical World (in Chinese) , 35 : 575
- Huang , Z.-P. , Yu , Q.-S. , Pan , J.-H. , Zong , H.-X. and Lin , R.-S. 2000 . ACTA CHIMICA SINICA (in Chinese) , 58 ( 3 ) : 273
- Wang , C.-L. , Wang , Y.-L. , Wang , X.-Y. , Wang , X.-X. and Li , J.-P. 1999 . Journal of the Chinese Society , 46 : 577
- Xiao , J.-P. , Wang , Y.-L. , Jia , X.-S. , Wang , X.-Y. and Wang , H. 2000 . Syn. Commun. , 30 ( 10 ) : 1807
- Wang , H. , Wang , Y.-L. , Zhang , G. , Li , J.-P. and Wang , X.-Y. 2000 . Syn. Commun. , 30 ( 8 ) : 1425
- Wang , C.-L. , Wang , Y.-L. , Wang , X.-Y. , Li , J.-P. , Ma , D.-L. and Wang , H. 1997 . Synth. Commun. , 27 ( 21 ) : 3723