The present invention relates to a process for synthesis of ether derivative of artemisinin by reducing artemisinin to dihydroartemisinin using a mixture of sodium borohydride and a dihydroxy compound, followed by etherification in presence of an acid catalyst and an alcohol.
The present disclosure relates to a process for preparation of artesunate, 10a-hemisuccinate of dihydroartemisinin, from artemisinin involving reduction of artemisinin to dihydro intermediate followed by its esterification.
The present disclosure provides an extractor for extracting active principle of interest from solid materials using an extracting fluid. The extractor comprises of an extracting column having at least one perforated plate with projections that is useful for compacting, crushing the solid material, leveling of solid ...
[Class : 5] Pharmaceutical, Medicinal And Veterinary Preparations And Substances.
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[Class : 5] Pharmaceutical Preparation Containing Metronidazole And Furazolidone For The Treatment Of Amoebiasis And Giardiasis To Be Sold On The Written Prescription Of A Registered Medical Practitioner.
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[Class : 5] Medicinal Preparation To Be Used An Anthelmintic Containing Mebebdazole And To Be Sold Only On A Written Prescription, Of A Registered Medical Practitioner.
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[Class : 5] Medicinal And Pharmaceutical Preparations Containing Vitamin B 12. Medicinal And Pharmaceutical Preparations Containing Vitamin B 12.
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[Class : 5] Medicinal And Pharmaceutical Preparation In Form Of Dexamethasone Tablets To Be Supplied In Retail Only On The Prescription Of A Registered Medical Practitioner.
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[Class : 5] Medicinal Preparations Containing Propranolol For The Treatment Of Hypertension.
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[Class : 5] Medicinal And Pharmaceutical Preparations As An Analgesic.
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[Class : 5] Medicinal And Pharmaceutical Preparation For External Use In The Treatment Of Scabies And Pediculosis Containing Gamma Benzene Hexachloride
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[Class : 5] Medicinal And Pharmaceutical Preparation In Form Of Propranolol Tablets For Treatment In Hypertension And To Be Supplied Only On The Prescription Of A Registered Medical Practitioner.
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[Class : 5] Medicinal And Pharmaceutical Preparations As An Antacid
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