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1. WO2020230159 - IRRADIATION PROCESS OF PRO VITAMIN D

Publication Number WO/2020/230159
Publication Date 19.11.2020
International Application No. PCT/IN2020/050426
International Filing Date 11.05.2020
IPC
A61K 31/593 2006.01
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
KPREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
31Medicinal preparations containing organic active ingredients
59Compounds containing 9,10-seco-cyclopentahydro- phenanthrene ring systems
5939,10-Secocholestane derivatives, e.g. cholecalciferol, vitamin D3
C07C 401/00 2006.01
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
CACYCLIC OR CARBOCYCLIC COMPOUNDS
401Irradiation products of cholesterol or its derivatives; Vitamin D derivatives, 9,10-seco cyclopentaphenanthrene or analogues obtained by chemical preparation without irradiation
C07J 9/00 2006.01
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
JSTEROIDS
9Normal steroids containing carbon, hydrogen, halogen, or oxygen, substituted in position 17 beta by a chain of more than two carbon atoms, e.g. cholane, cholestane, coprostane
Applicants
  • FERMENTA BIOTECH LIMITED [IN]/[IN]
Inventors
  • DATLA, Anupama
  • NAGRE, Prashant
  • TAMORE, Jagdish
  • TRIVIKRAM, Sreenath
  • WADHAVANE, Sachin
Agents
  • FERNANDES, Andreya
Priority Data
20192101875110.05.2019IN
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) IRRADIATION PROCESS OF PRO VITAMIN D
(FR) PROCÉDÉ D'IRRADIATION DE PRO-VITAMINE D
Abstract
(EN)
The invention discloses an improved process for production of vitamin D3 from 7- dehydrocholesterol (7- DHC) and to a simple process for recovery unreacted 7-DHC for further reuse. The invention further describes a process for isolation and purification of Vitamin D3.
(FR)
L'invention concerne un procédé amélioré de production de vitamine D3 à partir de 7-déshydrocholestérol (7-DHC) et un procédé simple de récupération de 7-DHC n'ayant pas réagi pour une réutilisation ultérieure. L'invention concerne en outre un procédé d'isolement et de purification de vitamine D3.
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