2-tert-butyl-5-methyl-7,8-dihydro-6H-cyclopenta[e]pyrazolo[1,5-a]pyrimidine: molecular stacks built from C-H center dot center dot center dot pi(pyrazole) hydrogen bonds and pi-pi stacking interactions

Jaime Portilla, Jairo Quiroga, Justo Cobo, Christopher Glidewell

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)

Abstract

In the title compound, C14H19N3, the bond distances within the heterocyclic portion of the molecule indicate incomplete pi delocalization. The molecules are linked into stacks by a combination of two C-H center dot center dot center dot pi(pyrazole) hydrogen bonds and two independent pi-pi stacking interactions between inversion-related pyrimidine rings. The significance of this study lies in its observation of significant differences in both molecular conformation and supramolecular aggregation between the title compound, an example of a 2-alkylpyrazolo[1,5-a] pyrimidine, and some analogous 2-arylpyrazolo[1,5-a] pyrimidines.

Original languageEnglish
Number of pages3
JournalActa Crystallographica Section C-Crystal Structure Communications
Volume64
DOIs
Publication statusPublished - Sept 2008

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