References
- We are indebted to the Burroughs-Wellcome Company, Research Triangle Park, NC, for its generous support of this work
- Taylor , E. C. and Ray , P. S. in press . J. Org. Chem. , For the previous paper in this series, see
- Taylor , E. C. , Henrie , R. N. II and Portnoy , R. C. 1978 . J. Org. Chem. , 43 : 736 For a discussion of the problems associated with the preparation of 6-formylpterin, see
- Sletzinger , M. , Reinhold , D. , Grier , J. , Beachem , M. and Tishler , M. 1955 . J. Am. Chem. Soc. , 77 : 6365
- Roberts , E. C. and Shealy , Y. F. 1971 . J. Med. Chem. , 14 : 125
- Khalifa , E. , Sengupta , P. K. , Bieri , J. H. and Viscontini , M. 1976 . Helv. Chim. Acta , 59 : 242
- Struck , R. F. , Shealy , Y. F. and Montgomery , J. A. 1971 . J. Med. Chem. , 14 : 693
- Taylor , E. C. and Kobylecki , R. J. 1978 . Org. Chem. , 43 : 680