85622-96-4Relevant articles and documents
TETRAZINE DERIVATIVES
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, (2008/06/13)
[3H]-Imidazo[5,1-d] -1,2,3,5-tetrazin-4-one derivatives of the formula:wherein R1represents hydrogen, or an alkyl, alkenyl or alkynyl group containing up to 6 carbon atoms, each such group being unsubstituted or substituted by from one to three substituents selected from halogen atoms, alkoxy, alkylthio, alkylsulphinyl and alkylsulphonyl groups containing up to 4 carbon atoms, and optionally substituted phenyl groups, or R1represents a cycloalkyl group containing from 3 to 8 carbon atoms, and R2 represents a carbamoyl group optionally N-substituted by one or two groups selected ftom alkyl and alkenyl groups containing up to 4 carbon atoms, and cycloalkyl groups containing 3 to 8 carbon atoms, are new therapeutically useful compounds possessing antineoplastic and immunomodulatory activity
Antitumor Imidazotetrazines. 20. Preparation of the 8-Acid Derivative of Mitozolomide and Its Utility in the Preparation of Active Antitumor Agents
Horspool, K. R.,Stevens, M. F. G.,Newton, C. G.,Lunt, E.,Walsh, R. J. A.,et al.
, p. 1393 - 1399 (2007/10/02)
The preparation of 3-(2-chloroethyl)-4-oxo-3H-imidazo-1,2,3,5-tetrazine-8-carboxylic acid, a key derivative of mitozolomide in our exploration of the structure-activity relationships of this class of antitumor agents, is described.The facile conver
Antitumor Imidazotetrazines. 14. Synthesis and Antitumor Activity of 6- and 8-Ssubstituted Imidazo-1,2,3,5-tetrazinones and 8-Substituted Pyrazolo-1,2,3,5-tetrazinones
Lunt, Edward,Newton, Christopher G.,Smith, Christopher,Stevens, Graham P.,Stevens, Malcolm F. G.,et al.
, p. 357 - 366 (2007/10/02)
The systematic variation of the potent antitumor agent mitozolomide (1) is extended to cover alteration of substituents at position 6 and 8 and to change the imidazo-1,2,3,5-tetrazinone (6) skeleton to the isomeric pyrazolo-1,2,3,5-tetrazino