References
- Cella , J. A. , Kelley , J. A. and Kenehan , E. F. 1975 . J. Org. Chem. , 40 : 1860
- Garem , B. 1975 . J. Org. Chem. , 40 : 1998
- Cella , J. A. and McGrath , J. P. 1975 . Tetrahedron Lett. , : 4115
- See Entry 1 and 5 in the Table
- Ryu , E. K. and MacCoss , M. 1981 . J. Org. Chem. , 46 : 2819
- Ryu , E. K. and Kim , J. N. 1989 . Nucleosides and Nucletides , 8 : 43