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Reactions of 2-aminobenzimidazoles with propiolic esters and diethyl ethoxymethylenemalonate

✍ Scribed by Dunwell, David W.; Evans, Delme

Book ID
120207168
Publisher
Royal Society of Chemistry
Year
1973
Weight
324 KB
Category
Article
ISSN
1472-7781

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πŸ“œ SIMILAR VOLUMES

Reactions of benzotriazoles with diethyl
Reactions of benzotriazoles with diethyl ethoxymethylenemalonate; ethylation and michael addition. Comparison with other esters and N-heterocycles
✍ Paolo Sanna; Antonio Carta; Giuseppe Paglietti; Alessia Bacchi; Giancarlo Pelizz πŸ“‚ Article πŸ“… 1997 πŸ› Journal of Heterocyclic Chemistry 🌐 English βš– 703 KB

## Abstract Benzotriazole and its 5‐methyl‐and 5‐nitro derivatives react with diethyl ethoxymethylenemalonate by ethylation at each of the ring __N__‐atoms and through Michael addition, to give the isomeric esters ethyl (__E/Z__) 3‐[5(6)‐R‐benzotriazol‐1‐yl]propenoates. Benzotriazole and its 5‐nitr