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The crystalline state is the most commonly used essential solid active pharmaceutical ingredient (API). The characterization of pharmaceutical crystals encompasses many scientific disciplines, but the core is crystal structure analysis, which reveals the molecular structure of essential pharmaceutical compounds. Crystal structure analysis provides important structural information related to the API's wide range of physicochemical properties, such as solubility, stability, tablet performance, color, and hygroscopicity. This book entitled “Pharmaceutical Crystals"" focuses on the relationship between crystal structure and physicochemical properties. In particular, the new crystal structure of pharmaceutical compounds involving multi-component crystals, such as co-crystals, salts, and hydrates, and polymorph crystals are reported. Such crystal structures were investigated in the latest studies that combined morphology, spectroscopic, theoretical calculation, and thermal analysis with crystallographic study. This book highlights the importance of crystal structure information in many areas of pharmaceutical science and presents current trends in the structure–property study of pharmaceutical crystals. The Guest Editors of this book hope the readers enjoy a wide variety of recent studies on Pharmaceutical Crystals.
crystal structure analysis --- n/a --- famotidine --- solution crystallization --- salt optimization --- structure determination from powder diffraction data --- Hirshfeld surface analysis --- DFT --- molecular docking study --- melting diagram --- dehydration --- hygroscopicity --- HBV --- Benzodioxole --- pharmaceutical crystals --- 4-b]indol-4-one --- pyrimidin-4(3H)-one --- liquid assisted grinding --- HOMO-LUMO --- dissolution --- cocrystal formation --- Raman spectroscopy --- carbamazepine --- hydrogen bonding --- 3 --- ondansetron --- physicochemical properties --- solubility --- succinic acid --- cocrystal --- adefovir dipivoxil --- hepatitis B --- polymorphs --- hydrogen-bond-acceptance ability --- DFT study --- Nitrofurantoin–4-dimethylaminopyridine (NF-DMAP) salt --- photostability --- on-line monitoring --- 5-dihydro-4H-pyrimido[5 --- Imidazole --- Semicarbazone --- crystal habit --- Crystal structure --- solvent-mediated polymorphic transformation --- ticagrelor --- hydrate --- pharmaceutical cocrystal --- malonic acid --- 1H-indole --- reactivity descriptors --- famoxadone --- crystal structure --- dicarboxylic acid --- hydrogen bond --- saccharin --- Nitrofurantoin-4-dimethylaminopyridine (NF-DMAP) salt
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This book represents a collection of contributions in the field of the synthesis and characterization of chemical compounds, natural products, chemical reactivity, and computational chemistry. Among its contents, the reader will find high-quality, peer-reviewed research and review articles that were published in the open access journal Compounds by members of the Editorial Board and the authors invited by the Editorial Office and Editor-in-Chief.
Technology: general issues --- Chemical engineering --- atropisomerism --- 4,4′-bipyridine --- pyridine N-oxidation --- halogenation --- halogen bond --- cyanation --- Finkelstein reaction --- Suzuki coupling --- Orchis --- scent --- gas chromatography --- mass spectrometry --- solid-phase microextraction --- quantum chemistry --- computational chemistry --- molecular dynamics --- modeling --- open-source software --- proprietary software --- Himantoglossum --- solid phase microextraction --- iodination --- alkanes --- alkenes --- alkynes --- alkyl carbonyls --- elemental iodine --- iodides --- Zutano variety --- avocado oil --- Soxhlet extraction --- ultrasound-assisted extraction --- volatiles --- ripening --- over-ripe --- HS-SPME–GC–MS --- Basilicata --- Barlia robertiana --- Himantoglossum robertianum --- mantel test --- Orchidaceae --- pollination syndrome --- Italy --- volatile compounds --- solvolysis --- aryldiazonium ions --- perchlorate anions --- silicon carbide (SiC) --- 3C-SiC powder --- 4H-SiC crystal --- impurities --- photoluminescence --- pnictogen bonding --- nitrogen as pnictogen bond donor --- geometries --- crystal structure analysis --- ICSD and CSD database analyses --- MESP characterizations --- sum of the van der Waals radii concept --- Dactylorhiza --- volatile organic compounds --- thiosemicarbazone --- metal complexes --- DNA interactions --- biological activity --- thiazolidinedione --- microwave synthesis --- compound library --- rosiglitazone --- Knoevangel condensation --- biodiesel production --- crude glycerin --- carbon materials --- n/a --- 4,4'-bipyridine --- HS-SPME-GC-MS
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