The infrared absorption spectra of substituted phenols—4-nitro-3-methyl-, 2-amino-4-nitro- and 4-amino-3-methylphenol
✍ Scribed by N.Syam Sundar
- Book ID
- 108007256
- Publisher
- Elsevier Science
- Year
- 1985
- Tongue
- English
- Weight
- 601 KB
- Volume
- 41
- Category
- Article
- ISSN
- 1386-1425
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📜 SIMILAR VOLUMES
## Abstract The dipole moments of twelve 2‐__N__‐substituted amino‐5‐nitro‐4‐methylpyridines (**I‐XII**) and three 2‐__N__‐substituted amino‐3‐nitro‐4‐methylpyridines (**XIII‐XV**) were determined in benzene. The polar aspects of intramolecular charge‐transfer and intramolecular hydrogen bonding we
## Abstract 4‐Aminopyrazole‐3‐ones **4b, e, f** were prepared from pyrazole‐3‐ones **1b‐d** in a four‐step reaction sequence. Reaction of the latter with methyl __p__‐toluenesulfonate gave 1‐methylpyrazol‐3‐ones **2b‐d**. Compounds **2b‐d** were treated with aqueous nitric acid to give 4‐nitropyraz