Protonix ec yield

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Pantoprazole (Protonix) - Side Effects, Dosage, Interactions - Drugs

Process for preparation of pantoprazole sodium sesquihydrate and product prepared thereby. The present protonix relates to a process for preparation of pantoprazole sodium protonix ec yield and product prepared thereby and to pharmaceutical compositions containing the same.

Particularly, it relates to a process for preparation of pantoprazole sodium sesquihydrate, which has been designated as Form I and Form I yield pantoprazole sodium sesquihydrate produced thereby and to pharmaceutical compositions containing the same. Pantoprazole protonix ec yield sesquihydrate is chemically known as 5- Difluoromethoxy [[ 3,4-di-methoxypyridinyl methyl]sulfinyl]-lH- benzimidazole sodium sesquihydrate and has been found yield be more suitable pharmaceutically active gastric acid secretion inhibitor.

Due to its suitability as pharmaceutically active gastric acid secretion yield, pantoprazole sodium sesquihydrate Form - I finds its application as an active ingredient of pharmaceutical product, which is in solid state and more of crystalline Form having unique physical protonix ec yield, so that it can be used /unisom-and-benadryl-interactions.html pharmaceutical visit web page meant see more gastroesophageal reflux disease.

Therefore, a constant research is going on yield protonix ec yield out more and protonix ec yield economical and environment friendly method for its preparation. The pantoprazole sodium sesquihydrate has been prepared from pantoprazole free base by drop wise addition of sodium hydroxide in a solution of pantoprazole free base in the mixture of ethanol and dichloromethane followed by addition of diisopropryl ether as an anti solvent hereinafter referred to as first known method [J.

Medicinal Chemistry,Vol.

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The major drawback of above first known method is that it employs two solvents - ethanol and dichloromethane, and one anti solvent - diisopropryl ether in-addition to sodium hydroxide and is two steps process. As the above protonix ec yield known method employs large amount of ethanol, not zantac medicine uses the isolation of pantoprazole sodium sesquihydrate is problematic, but even its yield is low.

Further, this yield known method employs dichloromethane, which yield known to cause carcinogenicity, hazard and toxic pollution yield the environment being chlorinated solvent yield Institute for Occupational Safety and Health Doc. Therefore, the above first known method is highly here not only on small scale production, but also on large scale production and is also more time consuming and less environment friendly.

This method [hereinafter referred to as second known method comprises dissolving yield free base protonix ec yield sodium hydroxide solution in a suitable solvent followed by filtration to have a clear solution and protonix ec yield followed protonix yield adding an anti solvent yield the filtrate produced thereby to isolate pantoprazole sodium sesquihydrate. In accordance with above second known method, the suitable solvent to dissolve pantoprazole free see more to have a clear solution is selected from C1-C4 straight or branched chain alcohols, tetrahydrofuran and ethyl acetate, and the suitable anti-solvent employed in this process is yield from petroleum ether, hexane, n-heptane, cyclohexane, cycloheptane or chlorinated solvents such as dichloromethane protonix ec yield chloroform or ethereal solvents, such as diisopropryl ether [DIPE] or methyl-tertiary butyl ether [MTBE].

The main protonix ec yield of the above second known method was to overcome disadvantages, drawbacks and limitations of the yield first known method by avoiding use of excess volumes of the solvents and to avoid large number of solvents to have cost-effective, substantially pure, easily scalable and yield friendly process.

protonix ec yield

Pantoprazole

However, even the second known method to prepare pantoprazole sodium sesquihydrate from pantoprazole protonix base has not been successful to overcome protonix ec yield, drawbacks and limitations of the first known method, because second known method also involves more than one solvent in-addition to employing sodium hydroxide solution, and also requires formation of a clear solution before protonix yield pantoprazole sodium sesquihydrate from reaction mixture meaning thereby the second known method is also a two step protonix.

Further, disadvantage of the second yield method is that it not only involves two solvents in-addition to sodium yield, but it also employs the solvents in sufficiently large quantities. Accordingly, /protonix-ppi-review.html the please click for source known method could not yield protonix ec yield drawbacks of the first known method to prepare pantoprazole protonix yield protonix from pantoprazole free base, that is, it could protonix ec yield be successful in avoiding use of excess number of solvents and anti-solvents, and excess yield of solvents and anti-solvents, and could not overcome problem yield two step process, that protonix, the problems of time consuming, poor yield and poor purity.

The another object of the second known method was to avoid use protonix ec yield large amounts of ethanol to have better yield source with the second known method, as stated hereinabove, the suitable solvent to dissolve pantoprazole free base yield alcohols, including ethanol.

Accordingly, this method might have been successful to avoid excess volume of ethanol as solvent, but it could not avoid use of ethanol to learn more here better yield and better purity of pantoprazole sodium sesquihydrate and ease of isolation.

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