METHOD FOR PRODUCING CRYSTAL OF 1,2-DIHYDROPYRIDINE COMPOUND
PROBLEM TO BE SOLVED: To provide a method for producing a crystal of a hydrate of 3-(2-cyanophenyl)-5-(2-pyridyl)-1-phenyl-1,2-dihydropyridin-2-one. SOLUTION: The method for producing the crystal of the hydrate of the 3-(2-cyanophenyl)-5-(2-pyridyl)-1-phenyl-1,2-dihydropyridin-2-one is characterized...
Gespeichert in:
Hauptverfasser: | , , , , , , |
---|---|
Format: | Patent |
Sprache: | eng |
Schlagworte: | |
Online-Zugang: | Volltext bestellen |
Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
Zusammenfassung: | PROBLEM TO BE SOLVED: To provide a method for producing a crystal of a hydrate of 3-(2-cyanophenyl)-5-(2-pyridyl)-1-phenyl-1,2-dihydropyridin-2-one. SOLUTION: The method for producing the crystal of the hydrate of the 3-(2-cyanophenyl)-5-(2-pyridyl)-1-phenyl-1,2-dihydropyridin-2-one is characterized as follows. 3-(2-Cyanophenyl)-5-(2-pyridyl)-1-phenyl-1,2-dihydropyridin-2-one is crystallized by using one or two solvents selected from the group consisting of an alcoholic solvent, an alkyl ketone solvent and water as a crystallization solvent. COPYRIGHT: (C)2007,JPO&INPIT |
---|