Crystal-to-crystal polymorphic phase transition in a cocrystal accompanied by expansion and surface wettability change

被引：2

作者：

Saikia, Plabon ^{[1
]}

Gupta, Poonam ^{[1
]}

Nath, Tridib R. ^{[2
]}

Nath, Naba K. ^{[1
]}

机构：

[1] Natl Inst Technol, Dept Chem & Biol Sci, Shillong, Meghalaya, India

[2] Tezpur Univ, Sophisticated Analyt Instrumentat Ctr, Tezpur 784001, Assam, India

来源：

CRYSTENGCOMM | 2024年 / 26卷 / 32期

关键词：

MOLECULAR-CRYSTALS; PHARMACEUTICAL COCRYSTALS; BEHAVIOR; FORMS; DYE;

D O I：

10.1039/d4ce00407h

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

In this study, cocrystallization of n-propylparaben and a ditopic bipyridine-based azine derivative in a 2 : 1 stoichiometric ratio was carried out. The resulting single crystals of the cocrystal displayed crystal-to-crystal polymorphic phase transformation on heating. The phase transformation is associated with naked-eye visible expansion and cracking of the single crystals. The two polymorphs are distinct in their surface wettability. Cocrystal of n-propylparaben and a bipyridine-based azine derivative exhibit heat-induced crystal-to-crystal polymorphic phase transition accompanied by expansion and cracking of the single crystals with distinct wettability properties.

引用

页码：4259 / 4263

页数：5

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