Synthesis and pharmacological study of 1, 3-dihydro-1, 3-dimethyl-5-phenyl-7-nitro-2H-1, 4-benzodiazepin-2-one
…, ES Krichevskii, OB Romanova, AI Ermakov…
Index: Grinev, A. N.; Krichevskii, E. S.; Romanova, O. B.; Ermakov, A. I.; Sokolov, I. K.; Mashkovskii, M. D. Pharmaceutical Chemistry Journal, 1983 , vol. 17, # 11 p. 773 - 776 Khimiko-Farmatsevticheskii Zhurnal, 1983 , vol. 17, # 11 p. 1300 - 1304
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Abstract
Using the Japp--Klingman reaction, l-phenyl-2, 3-butanedione-2-p-nitrophenylhydrazone (IV)[4] was prepared in 60% yield from potassium a-benzylacetoacetate (II) and p- nitrophenyldiazonium chloride (III). The IR spectrum of compound IV contains characteristic absorption bands at 3270 cm-~(secondary amino group stretching) and at 1660 cm- ~(carbonyl group, stretching). An absorption band at 1570 cm-~ is apparently due to the ...
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