REFERENCES
- Spande , T.F. , Garaffo , H.M. , Edawards , M.W. , Yeh , H.J.C. , Pannell , L. and Daly , J.W. 1992 . J. Am. Chem.Soc. , 114 : 3475
- Numata , A. and Ibriba , T. 1987 . The Alkaloids Edited by: Brossi , A. Vol. 31 , Academic Press . Ch. 6
- Pearson , W.H. 1988 . Studies in Natural Product Chemistry Edited by: Rahman , A.U. Vol. 1 , 323 Amsterdam : Elsevier .
- Lown , J.W. 1984 . 1,3-Dipolar Cycloaddition Chemistry Edited by: Padaw , A. Vol. 1 , New York : John Wiley & Sons .
- Terao , Y. , Aono , M. and Achiwa , K. 1988 . Heterocycles , 27 : 981
- Vedejs , E. 1988 . Advances in Cycloadditions Edited by: Curran , D.P. Vol. 1 , 33 London : PAI Press .
- Pandey , G. and Lakshmaiah , G. 1993 . Tetrahedron Lett. , 34 : 4861
- Pandey , G. , Lakshmaiah , G. and Gadre , S.R. 1996 . Indian J. Chem. , 35B : 91
- Vedejs , E. and West , F.G. 1986 . Chem. Rev. , 86 : 941
- Deyrup , C.L. , Deyrup , J.A. and Hamilton , M. 1977 . Tetrahedron Lett. , 39 : 3437
- Roussi , G. 1993 . Trends in Organic Chemistry , 4 : 101
- Grigg , R. , Aly , M.F. , Sridharan , V. and Thianpatanagnl , S. 1984 . J. Chem. Soc., Chem. Commun. , : 182
- Deshong , P. and Kell , D.A. 1986 . Tetrahedron Lett. , 27 : 3979
- Padwa , A. , Haffmanns , G. and Tomas , M. 1984 . J. Org. Chem. , 49 : 3314
- Padwa , A. , Chen , Y.-Y. , Dent , W. and Nimmesgern , H. 1985 . J. Org. Chem. , 50 : 4006
- Pandey , G. , Bagul , T.D. and Sahoo , A.K. 1998 . J. Org. Chem. , 63 : 760
- Katritzky , A.R. , Feng , D. and Fang , Y. 1999 . Synlett , : 590
- Bäder , E. and Hermann , H.D. 1995 . Chem. Ber. , 88 : 41
- Molander , G.A. and Harris , C.R. 1996 . Chem. Rev. , 96 : 307 references therein
- Gilbert , L. , Thierry , D. , Olivier , M. , Michel , L. and Tony , V. Eur. Pat. 556,119 . 1993 .