Ethyl-3,4-diaroyl-2-cyanobutyrate: A Synthon for novel heterocycles
✍ Scribed by Adivireddy Padmaja; Thalari Payani; Konda Mahesh; Venkatapuram Padmavathi
- Publisher
- Journal of Heterocyclic Chemistry
- Year
- 2009
- Tongue
- English
- Weight
- 104 KB
- Volume
- 46
- Category
- Article
- ISSN
- 0022-152X
- DOI
- 10.1002/jhet.214
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✦ Synopsis
Abstract
magnified image A new class of aminopyrazolones, aminoisoxazolones, aminopyrimidinones, and thioxopyrimidinones were synthesized from Michael adduct, ethyl‐3,4‐diaroyl‐2‐cyanobutyrate, on reaction with different nucleophiles, hydrazine hydrate, hydroxylamine hydrochloride, and urea derivatives. J. Heterocyclic Chem., (2009).
📜 SIMILAR VOLUMES
## Abstract The triethylamine‐catalyzed reaction of 4‐substituted ethyl 2‐acyl‐3‐amino‐6‐methylthieno[2,3‐__b__]pyridine‐4‐carboxylates IIIa‐h with 2,2,6‐trimethyl‐4__H__‐1,3‐dioxin‐4‐one IV gave 4‐substituted ethyl 3‐acetyl‐2‐hydroxy‐7‐methylthieno[2,3‐__b__:4,5‐__b__′]dipyridine‐9‐carboxylates Va
Substituted Ethyl 2-Acyl-3-amino-6-methylthieno(2,3-b)pyridine-4carboxylates as Synthons for Novel Heterocycles. -Title compounds of type (III) provide novel heterocyclic compounds (V) with diketene-acetone (IV). Except for (Vb), further reaction with (IV) is possible leading to novel tetracyclic co