𝔖 Bobbio Scriptorium
✦   LIBER   ✦

The reactions of 4-dicyanomethylene-2-phenyl-4H-1-benzopyran and some benzologs with nucleophiles

✍ Scribed by G. A. Reynolds; J. A. Vanallan; C. C. Petropoulos


Book ID
112122264
Publisher
Journal of Heterocyclic Chemistry
Year
1970
Tongue
English
Weight
650 KB
Volume
7
Category
Article
ISSN
0022-152X

No coin nor oath required. For personal study only.


πŸ“œ SIMILAR VOLUMES


Reactions of 2-Amino-4H-1-benzopyran-4-o
✍ Tarun Ghosh; Chandrakanta Bandyopadhyay πŸ“‚ Article πŸ“… 2007 πŸ› John Wiley and Sons βš– 25 KB πŸ‘ 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 πŸ“‚ Article πŸ“… 2006 πŸ› Journal of Heterocyclic Chemistry 🌐 English βš– 267 KB πŸ‘ 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

Reactions of 4-acetoxy-2H-1,4-benzoxazin
✍ Yuichi Hashimoto; Toshiharu Ohta; Koichi Shudo; Toshihiko Okamoto πŸ“‚ Article πŸ“… 1979 πŸ› Elsevier Science 🌐 French βš– 228 KB

O-Acetates of 4-hydroxy and 4-hydroxy-7-methoxy-2H-1,4-benzoxazln-3-ones reacted with nucleophlles such as phenols, lndoles and ethanethlol The maJor reaction center IS the positively-charged nitrogen atom

Synthesis and reactivity of some 3,4-dib
✍ Christopher D. Gabbutt; John D. Hepworth; B.Mark Heron; Md.Moshfiqur Rahman; Sim πŸ“‚ Article πŸ“… 1999 πŸ› Elsevier Science 🌐 French βš– 785 KB

Reaction of 3,2, 6, benzopyran with either organolithium reagents or magnesium generates the novel strained alkyne, 3,4-didehydro-2H-[1]benzopyran. Cycloaddition with furans gives access to the dibenzo[b,d]pyran system.