Synthesis and reactivity of 1-amino-4-methyl-3,4-dihydro-5<i>H</i>-pyrazolo[3′,4′:4,5]pyrimido[1,6-<i>a</i>]benzoimidazolo-5-one
作者:Abdou O. Abdelhamid、Ahmed A. Awad
DOI:10.1002/jhet.5570440330
日期:2007.5
Pyrimido[2“,1”:5′,6′]pyrazolo[3′,4′:4,5]-pyrimido[1,6-a]benzoimidazoloe-2,8(1H,7H)-diones, and [1,2,4]-triazino-[3“,4”:5′,6′]pyrazolo[3′,4′:4,5]pyrimido[1,6-a]benzimidazol-8(7H)-ones were synthesized in a good yields via 1-amino-4-methyl-3,4-dihydro-5H-pyrazolo[3′,4′:4,5]pyrimido[1,6-a]benzoimidazolo-5-one and the appropriate active methylene compounds. Structures of the newly synthesized compounds
嘧啶并[2“,1”:5',6']吡唑并[3',4':4,5]-嘧啶[ 1,6 - a ]苯并咪唑-2,8 (1 H,7 H)-二酮,和[1,2,4] -triazino- [3“,4”:5',6'] pyrazolo [3',4':4,5] pyrimido [1,6 - a ] benzimidazol-8(7 H)-通过1-amino-4-methyl-3,4-dihydro-5 H -pyrazolo [3',4':4,5] pyrimido [1,6 - a ] benzoimidazolo-5合成高收率-一种和合适的活性亚甲基化合物。在可能的情况下,根据元素分析,光谱数据和替代合成方法,阐明了新合成化合物的结构。