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Synthesis of quinoxalineand isoquinoline-5,8-quinones

✍ Scribed by Yu. S. Tsizin; S. A. Chernyak


Book ID
112331516
Publisher
Springer US
Year
1975
Tongue
English
Weight
92 KB
Volume
11
Category
Article
ISSN
0009-3122

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πŸ“œ SIMILAR VOLUMES


Quinones, 10. Synthesis of 3-tert-Butyl-
✍ Setiabudi, Frans ;Boldt, Peter πŸ“‚ Article πŸ“… 1985 πŸ› John Wiley and Sons 🌐 English βš– 452 KB

## Abstract The title compound **3f** is a novel isolable 1,10‐anthraquinone which is stabilized only by alkyl groups. Despite of the shielding of the __meso__ position **3f** reacts very fast with water and oxygen to give 3‐__tert__‐butyl‐1‐hydroxy‐5,8‐dimethyl‐9,10‐anthraquinone (**4f**).

One-pot synthesis of isoquinoline-5,8-di
✍ Kazuhiro Kobayashi; Atsushi Takanohashi; Shinya Watanabe; Osamu Morikawa; Hisato πŸ“‚ Article πŸ“… 2000 πŸ› Elsevier Science 🌐 French βš– 69 KB

A new and facile method for the preparation of isoquinolinequinone derivatives has been developed. Treatment of 2-acyl-1,4-naphthoquinones or 2-acyl-5,6-dimethyl-1,4-benzoquinones with enamines (or imines), followed by addition of aqueous NH 3 in MeOH afforded benz[g]isoquinoline-5,10-dione or isoqu