(-)-meptazinol phenylamino carbamate-L-(+)-tartrate type-III crystal

(-)-meptazinol phenylamino carbamate-L-(+)-tartrate type-III crystal

The invention relates to a (-)-meptazinol phenylamino carbamate-L-(+)-tartrate type-II crystal and a preparation method thereof. The (-)-meptazinol phenylamino carbamate-L-(+)-tartrate type-II crystal provided by the invention is stable and is characterized in that the degrees of angles 2[theta] of...

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Bibliographische Detailangaben
Hauptverfasser: ZHU KUN, WANG LUTAI, XIA KEBO, LI YING, JU CHUANPING, CONG RIGANG
Format: Patent
Sprache:chi ; eng
Schlagworte:
ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
HETEROCYCLIC COMPOUNDS
HUMAN NECESSITIES
HYGIENE
MEDICAL OR VETERINARY SCIENCE
METALLURGY
ORGANIC CHEMISTRY
SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS ORMEDICINAL PREPARATIONS
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Beschreibung
Zusammenfassung:The invention relates to a (-)-meptazinol phenylamino carbamate-L-(+)-tartrate type-II crystal and a preparation method thereof. The (-)-meptazinol phenylamino carbamate-L-(+)-tartrate type-II crystal provided by the invention is stable and is characterized in that the degrees of angles 2[theta] of characteristic peaks shown in an X-ray powder diffractogram are respectively 5.2, 9.6, 10.2, 10.6, 12.4, 14.4, 15.1, 15.7, 16.3, 16.7, 17.2, 19.9, 20.6, 21.0, 21.2, 22.3, 22.5, 23.0, 23.8, 24.4, 24.6, 25.1, 27.7, 28.9, 31.0, 33.9, 35.4 and 40.6, and corresponding relative intensities are respectively 24, 13, 38, 19, 14, 10, 19, 100, 20, 16, 10, 63, 16, 81, 45, 23, 22, 23, 19, 13, 13, 56, 10, 10, 12, 18, 29 and 15. The melting point of the (-)-meptazinol phenylamino carbamate-L-(+)-tartrate type-II crystal provided by the invention is 96.2-98.8 DEG C.