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Diels-alder reaction of (E)-4-(2-nitroethenyl)-1H-imidazoles and methyl (E)-3-(1-imidazol-4-yl)propenoates

✍ Scribed by Keigo Kosaka; Kazumi Maruyama; Haruko Nakamura; Masazumi Ikeda

Book ID
112130199
Publisher
Journal of Heterocyclic Chemistry
Year
1991
Tongue
English
Weight
285 KB
Volume
28
Category
Article
ISSN
0022-152X

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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