A stacked pyrazolo­[3,4-d]­pyrimidine-based flexible mol­ecule: the effect on stacking of a bulky iso­propyl group in comparison with a methyl/ethyl group

Avasthi, K.; Farooq, S.M.; Rawat, D.S.; Sharon, A.; Maulik, P.R.

doi:10.1107/S0108270103016676

Acta Crystallographica Section C
Acta Crystallographica
Section C STRUCTURAL CHEMISTRY

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Figure 2
Crystal-packing diagram of (III

), showing the intermolecular C—H⋯π-stacking interactions (dashed lines) between the pyrazolo[3,4-d]pyrimidine rings. [Symmetry codes: (i) $[{3\over2}-x,{1\over2}-y,{1\over2}-z]$ ; (ii) $[{3\over2}-x,{1\over2}+y,{1\over2}-z]$ ; (iii) $[1-x,y,{1\over2}-z]$ ; (iv) $[x-{1\over2},{1\over2}+y,z]$ ; (v) $[x-{1\over2},y-{1\over2},z]$ .]

STRUCTURAL
CHEMISTRY

ISSN: 2053-2296

Volume 59| Part 9| August 2003| Pages o523-o524

doi:10.1107/S0108270103016676

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