Two polymorphs of a beta-lactam (trans-13-azabicyclo[10.2.0]tetradecan-14-one). Concomitant crystal polymorphism and isostructurality

László Fábián, Alajos Kálmán, Gyula Argay, Gábor Bernáth, Zsuzsanna Cs. Gyarmati

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Abstract

Two polymorphs of trans-13-azabicyclo[10.2.0] tetradecan-14-one display a unique example of isostructurality, differing only in the orientation of a given hydrogen bond with respect to the beta-lactam bond. This slight difference can be attributed to the twofold rotation of the carbocyclic macroring of C-2 symmetry, which in the crystal structure is hardly noticeable.
Original languageEnglish
Pages (from-to)2114
Number of pages1
JournalChemical Communications
Issue number18
DOIs
Publication statusPublished - 3 Aug 2004

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