𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Benzopyrans. 31. Reaction of 1,1-diacetyl-2-(6-methyl-4-oxo-4H-1-benzopyran-3-yl)ethylene with phenyldiazomethane

✍ Scribed by Chandra Kanta Ghosh; Sirin Sahana


Publisher
Elsevier Science
Year
1993
Tongue
French
Weight
372 KB
Volume
49
Category
Article
ISSN
0040-4020

No coin nor oath required. For personal study only.


📜 SIMILAR VOLUMES


Reactions of 2-Amino-4H-1-benzopyran-4-o
✍ Tarun Ghosh; Chandrakanta Bandyopadhyay 📂 Article 📅 2007 🏛 John Wiley and Sons ⚖ 25 KB 👁 1 views

## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.

Reactions of 2-amino-4h-1-benzopyran-4-o
✍ Tarun Ghosh; Chandrakanta Bandyopadhyay 📂 Article 📅 2006 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 267 KB 👁 1 views

## Abstract magnified image The title aldehyde **1** reacts smoothly with the enamine moiety of **2**‐aminochromone **2** to produce hitherto unreported 3‐(2‐hydroxybenzoyl)‐5__H__‐1‐benzopyrano[2,3‐__b__]pyridin‐5‐one (azaxanthone) **5**. This reaction has been extended for the synthesis of bisaz