𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Novel Approach for the Synthesis of Five-Membered-Ring-Fused Pyrazinones

✍ Scribed by Vincent Gembus; Solenn Janvier; Jean-Pierre Lecouvé; Philippe Gloanec; Francis Marsais; Vincent Levacher


Publisher
John Wiley and Sons
Year
2010
Tongue
English
Weight
114 KB
Volume
2010
Category
Article
ISSN
1434-193X

No coin nor oath required. For personal study only.

✦ Synopsis


Abstract

We describe a new route to access important pharmaceutical intermediates for the synthesis of constrained fused pyrazinones. These compounds are prepared in five to seven steps with a good overall yield from glycine methyl ester and commercial propanediol derivatives involving an intramolecular alkylation of a glycine moiety as key step.


📜 SIMILAR VOLUMES


Efficient synthesis of novel six-member
✍ Dingqiao Yang; Wei Guo; Yuepeng Cai; Lasheng Jiang; Kailing Jiang; Xiaobing Wu 📂 Article 📅 2008 🏛 John Wiley and Sons 🌐 English ⚖ 137 KB

## Abstract Novel quinolines fused with a six‐member ring **5a–j** were prepared in high yields (75–95%) via the Friedländer reaction of dimethoxy‐substituted __o__‐aminobenzaldehydes of **3a** or **3b** with cyclic ketones **4**, respectively. The structures of **5a–j** were determined by IR, ^1^H