𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Regioselective Nucleophilic 1,4-Trifluoromethylation of 2-Polyfluoroalkylchromones with (Trifluoromethyl)trimethylsilane. Synthesis of Fluorinated Analogs of Natural 2,2-Dimethylchroman-4-ones and 2,2-Dimethylchromenes

✍ Scribed by Sosnovskikh, Vyacheslav Ya.; Usachev, Boris I.; Sevenard, Dmitri V.; Röschenthaler, Gerd-Volker


Book ID
120366364
Publisher
American Chemical Society
Year
2003
Tongue
English
Weight
167 KB
Volume
68
Category
Article
ISSN
0022-3263

No coin nor oath required. For personal study only.


📜 SIMILAR VOLUMES


A convenient synthesis of 4-trifluoromet
✍ Yasuhiro Kamitori 📂 Article 📅 1999 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 266 KB 👁 1 views

## Abstract 1,1,1‐Trifluoroalkane‐2,3‐dione 3‐oximes 1 easily obtainable from aldehyde dimethylhydrazones were reacted with several aldehydes and ketones in the presence of acetic acid to afford 4‐trifluoromethyl‐4__H__‐[1,5,2]dioxadines 3 in satisfactory yields. When the reaction was carried out i