Reaction of 4-methyl-2-trifluoromethyl-1,3-oxazin-6-one with indoles

被引:2
|
作者
Usachev, Sergey A. [1 ]
Tabatchikova, Kristina M. [1 ]
Sevenard, Dmitri V. [2 ]
Sosnovskikh, Vyacheslav Ya. [1 ]
机构
[1] Ural Fed Univ, Inst Nat Sci & Math, 51 Lenin Ave, Ekaterinburg 620000, Russia
[2] Hansa Fine Chem GmbH, Bremen Innovat & Technol Ctr, 1 Fahrenheitstr, D-28359 Bremen, Germany
基金
俄罗斯基础研究基金会;
关键词
indoles; 2-(indol-3-yl)-4-methyl-2-trifluoromethyl-2; 3-dihydro-1; 3-oxazin-6-ones; 1; 3-oxazin-6-one; pyrroles; nucleophilic addition; 1,3-OXAZIN-6-ONES; 4-ARYL-6-TRIFLUOROMETHYL-2-PYRONES; DERIVATIVES;
D O I
10.1007/s10593-018-2359-y
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
The addition of indoles to 4-methyl-2-trifluoromethyl-1,3-oxazin-6-one in an acidic medium proceeds at the C-2 atom and leads to 2-(indol-3-yl)-4-methyl-2-trifluoromethyl-2,3-dihydro-1,3-oxazin-6-ones in 67-83% yields. Pyrroles and N,N-dimethylaniline either do not enter into a reaction of this type or form the addition products in very low yields (6-12%).
引用
收藏
页码:848 / 851
页数:4
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