中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
—— | N-[4-(4-fluorophenyl)-3-methyl-1-phenyl-7-thioxo-1,4,7,8-tetrahydro-pyrazolo[4’,3’:5,6]pyrano[2,3-d]pyrimidine-5-yl]thiourea | 1444154-66-8 | C22H17FN6OS2 | 464.547 |
—— | 5-amino-4-(4-fluorophenyl)-3-methyl-1-phenyl-4,8-dihydro-2(H)-pyrazolo[4',3':5,6]pyrano[2,3-d]pyrimidine-7(1H)-one | 1334596-72-3 | C21H16FN5O2 | 389.389 |
—— | 5-amino-4-(4-fluorophenyl)-3-methyl-1-phenyl-4,8-dihydro-2(H)-pyrazolo[4',3':5,6]pyrano[2,3-d]pyrimidine-7(1H)-thione | 1334596-82-5 | C21H16FN5OS | 405.455 |
—— | 3-methyl-1-4-(4-fluorophenyl)-phenyl-4,8-dihydropyrazolo[4’,3’:5,6]-pyrano[2,3-d]pyrimidine-5,7(1H,6H)-dithione | 1444154-47-5 | C21H15FN4OS2 | 422.507 |
The reaction of substituted arylidenemalononitriles and 3-methyl-1-phenyl-2-pyrazolin- 5-one in DMF in the presence of KF-montmorillonite provides a rapid synthesis of 3-methyl-6-amino-5-cyano-4-aryl-1-phenyl-1,4-dihydro-pyrano[2,3-c]pyrazole derivatives.