中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
—— | N-[4-(2-chlorophenyl)-3-methyl-1-phenyl-7-thioxo-1,4,7,8-tetrahydro-pyrazolo[4’,3’:5,6]pyrano[2,3-d]pyrimidine-5-yl]thiourea | 1444154-67-9 | C22H17ClN6OS2 | 481.002 |
—— | 5-amino-4-(2-chlorophenyl)-3-methyl-1-phenyl-4,8-2(H)-dihydropyrazolo[4',3':5,6]pyrano[2,3-d]pyrimidine-7(1H)-one | 1334596-73-4 | C21H16ClN5O2 | 405.843 |
—— | 5-amino-4-(2-chlorophenyl)-3-methyl-1-phenyl-4,8-dihydro-2(H)-pyrazolo[4',3':5,6]pyrano[2,3-d]pyrimidine-7(1H)-thione | 1334596-83-6 | C21H16ClN5OS | 421.91 |
—— | 3-methyl-4-(2-chlorophenyl)-1-phenyl-4,8-dihydropyrazolo[4’,3’:5,6]-pyrano[2,3-d]pyrimidine-5,7(1H,6H)-dithione | 1444154-48-6 | C21H15ClN4OS2 | 438.961 |
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.