- [1] D. M. Dixit, et al. (1978) Israel J. Chem., 17, 248. 
  - [2] B. A. Dressman, et al. (1996) Tetrahedron Lett., 37, 937. 
  - [3] J. R. Hauske, et al. (1995) Tetrahedron Lett., 36, 1589. 
  - [4] C. Y. Ho & M. J. Kukla (1997) Tetrahedron Lett., 38, 2799. 
  - [5] B. Raju & T. P. Kogan (1997) Tetrahedron Lett., 38, 3373. 
  - [5] A. K. Ghosh, et al. (2001) J. Org. Chem., 66, 2161. 
  - [6] R. Mohan, et al. (1998) Bioorg. Med. Chem. Lett., 8, 1877. 
  - [7] S. Tomasi, et al. (1998) Bioorg. Med. Chem. Lett., 8, 635. 
  - [8] N. D. Hone & L. J. Payne (2000) Tetrahedron Lett., 41, 6149. 
  - [9] A. L. Smith, et al. (2000) Bioorg. Med. Chem. Lett., 10, 2693. 
  - [10] A. K. Ghosh, et al. (2001) J. Org. Chem., 66, 2161. 
  - [11] A. Paio, et al. (2003) Tetrahedron Lett., 44, 1867. 
 
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