## Abstract magnified image Reactions of 3‐chlorobenzo[__b__]thiophene‐2‐carbonyl chloride with 2‐alkyl‐2‐aminopropanamides have been used to prepare a series of carboxamides **1a‐d** (yields 61‐85%). The products were submitted to base‐catalysed ring closure reactions to give the corresponding 4,
✦ LIBER ✦
Synthesis and antiulcer activity of 2-[5-substituted-1-H-benzo(d) imidazol-2-yl sulfinyl]methyl-3-substituted quinazoline-4-(3H) ones
✍ Scribed by Avinash Patil; Swastika Ganguly; Sanjay Surana
- Book ID
- 107584631
- Publisher
- Indian Academy of Sciences,Royal Society of Chemistry
- Year
- 2010
- Tongue
- English
- Weight
- 193 KB
- Volume
- 122
- Category
- Article
- ISSN
- 0253-4134
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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