The synthesis of ring??expanded analogues of xanthine containing the imidazo [4, 5??e][1, 4] diazepine ring system
RS Hosmane, A Bhan
Index: Journal of Heterocyclic Chemistry, , vol. 27, # 7 p. 2189 - 2196
Full Text: HTML
Citation Number: 21
Abstract
... synthesis of ring-expanded analogues of xanthine, guanine, and hypoxanthine, bearing the title heterocyclic ring system [1 ... In view of a number of alleged seven-membered ring heterocycles whose struc- tures were ... g (76%), mp 221-223°; 'H nmr (DMSO-d6): S 9.21 (t, J = 4.5 Hz ...
Related Articles:
[Tetrahedron Letters, , vol. 43, # 9 p. 1595 - 1596]
[Tetrahedron Letters, , vol. 43, # 9 p. 1595 - 1596]
[Tetrahedron Letters, , vol. 43, # 9 p. 1595 - 1596]
[Tetrahedron Letters, , vol. 43, # 9 p. 1595 - 1596]
[Journal of Organic Chemistry, , vol. 47, # 18 p. 3457 - 3464]