共 50 条
- [1] Hydrogen-bonded chains in isostructural 5-methyl-2-(4-methylphenyl)-7,8-dihydro-6H-cyclopenta[g]pyrazolo[1,5-a]pyrimidine, 2-(4-chlorophenyl)-5-methyl-7,8-dihydro-6H-cyclopenta[g]pyrazolo[1,5-a]pyrimidine and 2-(4-bromophenyl)-5-methyl-7,8-dihydro-6H-cyclopenta[g]pyrazolo[1,5-a]pyrimidine, and sheets of π-stacked hydrogen-bonded chains in 2-(4-methoxyphenyl)-5-methyl-7,8-dihydro-6H-cyclopenta[g]pyrazolo [1,5-a]pyrimidine ACTA CRYSTALLOGRAPHICA SECTION C-STRUCTURAL CHEMISTRY, 2005, 61 : O452 - O456
- [2] 2-tert-butyl-5-methyl-7,8-dihydro-6H-cyclopenta[e]pyrazolo[1,5-a]pyrimidine:: molecular stacks built from C-H•••π(pyrazole) hydrogen bonds and π-π stacking interactions ACTA CRYSTALLOGRAPHICA SECTION C-STRUCTURAL CHEMISTRY, 2008, 64 : O471 - O473
- [7] HETEROCYCLIC SYNTHESIS WITH NITRILES - SYNTHESES OF SOME NOVEL PYRAZOLO[1,5-A]PYRIMIDINE AND PYRROLO[2',3'-3,4]PYRAZOLO[1,5-A]PYRIMIDINE DERIVATIVES JOURNAL FUR PRAKTISCHE CHEMIE, 1989, 331 (03): : 475 - 478