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A METHOD OF MANUFACTURE OF MEROPENEM (USA)

[Category : - Organic Chemistry]
[Viewed 1612 times]

The present invention specially relates to the crystalline form of (4-Nitrobenzyl (4R,5S,6S)-(3-{(3S,5S)-5-[(dimethylamino)carbonyl]-1-[(4-nitrophenoxy)carbonxyl]pyrrolidin-3-yl}thio-6-[(1R)-1-hydorxyethyl]-4-methyl-7-oxo-1-azabicyclo[3.2.0].hept-2-ene-2-carboxylate) of compound Formula I as well as an improved process for preparation of meropenem trihydrate of compound Formula II wherein PNB represents a P-nitro benzyl group and PNZ represents a P-nitrobenzyloxycarbonyl group.

Patent publications:

 US 8097719
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Seller:

sanjivani (India)

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