Isolation, identification, and synthesis
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Steven W. Baertschi; Heiko Brunner; Charles A. Bunnell; Gary G. Cooke; Benjamin
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Article
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2008
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John Wiley and Sons
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English
โ 291 KB
Two impurities found in both stressed and aged solid-state formulations of olanzapine have been identified as (Z)-1,3-dihydro-4-(4-methyl-1-piperazinyl)-2-(2-oxopropylidene)-2H-1,5-benzodiazepin-2-one (1) and (Z)-1-[1,2-dihydro-4-(4-methyl-1-piperazinyl)-2-thioxo-3H-1,5-benzodiazepin-3-ylidene]propa