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Patents: 3-azido-3deoxybetulinic acid, its preparation and pharmaceutically acceptable salts

Type Latvian
Patent number LV15267B
Application number P-17-41
Title in Latvian 3-azido-3-dezoksibetulīnskābe, tās iegūšanas paņēmiens un farmaceitiski sāļi
Title in English 3-azido-3deoxybetulinic acid, its preparation and pharmaceutically acceptable salts
Date of publication (B) 20.02.2018
Date of filling 26.06.2017
Authors Inese Rijkure , Zenta Tetere , Irisa Rāviņa , Daina Zicāne , Inese Mieriņa , Māris Turks
Department (14A00) Institute of technology of organic chemistry
Summary

Izgudrojums attiecas uz bioorganiskās ķīmijas nozari, konkrēti, 3-dezoksi-3-azidobetulīnskabes iegūšanu. Paņēmiens paredzēts 3-azidolupānu, konkrēti, diastereobagātinātas 3β-azido-3-dezoksibetulīnskābes iegūšanai  no 3-amino-3-dezoksibetulīnskābes, to apstrādājot ar diazopārneses reaģentu.

Summary in English

Invention relates to the field of bioorganic chemistry, particulary to preparation of 3-deoxy-3-azidobetulinic acid.A preparation process of 3-azidolupanes, particularly, diastereo-enriched 3β-azido-3-deoxybetulinic acid from 3-amino-3-deoxybetulinic acid by treatment with diazo transfer reaìent is elaborated.

Patent publication (URL to Espacenet) https://worldwide.espacenet.com/publicationDetails/originalDocument?FT=D&date=20180220&DB=&locale=en_EP&CC=LV&NR=15267B&KC=B&ND=4