{"title":"Structure Determination and 3D ED/MicroED-Guided Synthesis of a New (S)-Ibuprofen–l-phenylalanine Co-Crystal","authors":"Youwei Xu, Zhonghui Zheng, Qing Lin, Jiaxin Huang, Jinsong Ding and Wenhu Zhou*, ","doi":"10.1021/acs.cgd.3c01391","DOIUrl":null,"url":null,"abstract":"<p >Pharmaceutical cocrystals are of interest to the pharmaceutical industry due to their novel potential for improving the physicochemical characteristics of old APIs. However, cocrystal screening and following synthetic optimization consume time and effort. A two-component crystalline phase of (S)-ibuprofen and <span>l</span>-phenylalanine with 2:3 stoichiometry (<b>Ibu-Phe</b>) is reported. High-quality <b>Ibu-Phe</b> cocrystal was synthesized easily by the liquid-assisted grinding (LAG) method, but some impurities remained. The crystal structure of <b>Ibu-Phe</b> can be solved <i>ab initio</i> from 3D ED/MicroED. Furthermore, a nearly pure <b>Ibu-Phe</b> cocrystal sample can be obtained under the guidance of stoichiometry from 3D ED/MicroED following synthesis optimization in a few attempts.</p>","PeriodicalId":34,"journal":{"name":"Crystal Growth & Design","volume":null,"pages":null},"PeriodicalIF":3.2000,"publicationDate":"2024-06-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Crystal Growth & Design","FirstCategoryId":"92","ListUrlMain":"https://pubs.acs.org/doi/10.1021/acs.cgd.3c01391","RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"CHEMISTRY, MULTIDISCIPLINARY","Score":null,"Total":0}
引用次数: 0
Abstract
Pharmaceutical cocrystals are of interest to the pharmaceutical industry due to their novel potential for improving the physicochemical characteristics of old APIs. However, cocrystal screening and following synthetic optimization consume time and effort. A two-component crystalline phase of (S)-ibuprofen and l-phenylalanine with 2:3 stoichiometry (Ibu-Phe) is reported. High-quality Ibu-Phe cocrystal was synthesized easily by the liquid-assisted grinding (LAG) method, but some impurities remained. The crystal structure of Ibu-Phe can be solved ab initio from 3D ED/MicroED. Furthermore, a nearly pure Ibu-Phe cocrystal sample can be obtained under the guidance of stoichiometry from 3D ED/MicroED following synthesis optimization in a few attempts.
期刊介绍:
The aim of Crystal Growth & Design is to stimulate crossfertilization of knowledge among scientists and engineers working in the fields of crystal growth, crystal engineering, and the industrial application of crystalline materials.
Crystal Growth & Design publishes theoretical and experimental studies of the physical, chemical, and biological phenomena and processes related to the design, growth, and application of crystalline materials. Synergistic approaches originating from different disciplines and technologies and integrating the fields of crystal growth, crystal engineering, intermolecular interactions, and industrial application are encouraged.