Polymorphism and phase transition behavior of 6,6′-bis­(chloro­meth­yl)-1,1′,4,4′-tetra­methyl-3,3′-(p-phenyl­enedimethyl­ene)bis­(piperazine-2,5-dione)

A crystallographic investigation of the title compound, C(22)H(28)Cl(2)N(4)O(4), using crystals obtained under different crystallization conditions, revealed the presence of two distinct polymorphic forms. The mol­ecular conformation in the two polymorphs is very different: one adopts a ‘C’ shape, w...

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Bibliografiske detaljer
Main Authors: Polaske, Nathan W., Nichol, Gary S., Olenyuk, Bogdan
Format: Artigo
Sprog:Inglês
Udgivet: International Union of Crystallography 2009
Fag:
Organic Compounds
Online adgang:https://ncbi.nlm.nih.gov/pmc/articles/PMC2720150/
https://ncbi.nlm.nih.gov/pubmed/19652319
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1107/S0108270109024457
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