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Crystallographic studies of (Z) and (E) isomers of 2-amino-5-(2-chlorobenzylidene)-1-methyl-1H-imidazol-4(5H)-one

✍ Scribed by Janina Karolak-Wojciechowska; Ewa Szymańska; Andrzej Fruziński; Katarzyna Kieć-Kononowicz


Publisher
Elsevier Science
Year
2010
Tongue
English
Weight
378 KB
Volume
966
Category
Article
ISSN
0022-2860

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## Abstract magnified image Oxidation of metronidazole (**4**) with sodium dichromate yielded the corresponding 2‐(2‐methyl‐5‐nitro‐1__H__‐imidazol‐1‐yl)acetic acid (**5**) which was esterified with 1‐butanol to give butyl 2‐(2‐methyl‐5‐nitro‐1__H__‐imidazol‐1‐yl)acetate (**8**). Reaction of the l