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Chemcial Industry and Engineering 2018, Vol. 35 Issue (3) :29-37    DOI: 10.13353/j.issn.1004.9533.20182004
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Research advances of polymorphism in pharmaceutical cocrystals
Wang Lingyu1, Du Shichao1, Dong Weibing1,2,3
1. School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072;
2. National Engineering Research Center of Industrial Crystallization Technology, Tianjin University, Tianjin 300072;
3. Key Laboratory of Crystal Engineering and Drug Delivery System in Tianjin University, Tianjin 300072

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Abstract 

Pharmaceutical polymorphism is a critical factor that affects the stability and efficacy of the drug. In recent years, a growing number of pharmaceutical cocrystals have been found to be polymorphic and different polymorphs do show different properties. Accordingly, the research of polymorphism in cocrystals is attracting greater attention. In this contribution, the studies which focus on polymorphic cocrystals are reviewed. The concept of polymorphic cocrystals is explained and its different types are identified, including synthon polymorph, packing polymorph, conformational polymorph as well as tautomeric polymorph. The screening methods of polymorphic cocrystals are introduced in detail. Furthermore, the difference in the properties of pharmaceutical cocrystals due to different crystal forms is emphasized.

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Wang Lingyu
Du Shichao
Dong Weibing
Keywordspolymorphism;   pharmaceutical cocrystal;   polymorph screening     
Received 2018-04-01;
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Wang Lingyu, Du Shichao, Dong Weibing.Research advances of polymorphism in pharmaceutical cocrystals[J]  Chemcial Industry and Engineering, 2018,V35(3): 29-37
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