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Stereostructure and formation mechanisn of a new substituted benzofuran from phomenone.

✍ Scribed by Renato Capasso; Giovanni Palumbo; Giacomino Randazzo; Alfonso Bavoso; Benedetto Di Blasio; Vincenzo Pavone


Book ID
104204447
Publisher
Elsevier Science
Year
1986
Tongue
French
Weight
398 KB
Volume
42
Category
Article
ISSN
0040-4020

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πŸ“œ SIMILAR VOLUMES


Formation of a benzopyrylium ion and a q
✍ Sonnenschein, Helmut ;Schmitz, Ernst ;Pritzkow, Wolfgang πŸ“‚ Article πŸ“… 1990 πŸ› John Wiley and Sons 🌐 English βš– 274 KB

## Abstract Chlorophenylcarbene reacts with benzofuran to give the cyclopropane derivative 3, which undergoes thermal opening of the three‐membered ring to give the benzopyrylium cation 5. With aniline, 3 forms the quinoline 11 containing two C atoms of the starting compound 1 in positions 2 and 4.

Convenient Synthesis and Antimicrobial A
✍ Bakr F. Abdel-Wahab; Hatem A. Abdel-Aziz; Essam M. Ahmed πŸ“‚ Article πŸ“… 2008 πŸ› John Wiley and Sons 🌐 English βš– 474 KB πŸ‘ 2 views

## Abstract The reaction of ethyl 4‐(benzofuran‐2‐yl)‐2,4‐dioxobutanoate **2** with two moles of hydrazine hydrate afforded 5‐(benzofuran‐2‐yl)‐1__H__‐pyrazole‐3‐carbohydrazide **4a**, while its reaction with equimolar amount of phenylhydrazine gave ester **3b** which then converted to 5‐(benzofura