1) Syntheses of 6-Substituted Purines
Milon W. Bullock, John J. Hand, E. L. R. Stokstad
J. Am. Chem. Soc., 1956, 78 (15), pp 3693–3696
- DOI:
http://dx.doi.org/10.1021/ja01596a037
Gertrude B. Elion, Elizabeth Burgi, George H. Hitchings
J. Am. Chem. Soc., 1952, 74 (2), pp 411–414
- DOI:
http://dx.doi.org/10.1021/ja01122a037