An efficient potassium cyanide-promoted synthesis of 2-arylbenzoxazoles from [4.3.0]boron heterobicycles

被引:12
|
作者
Lopez-Ruiz, Heraclio [1 ]
Briseno-Ortega, Horacio [1 ]
Rojas-Lima, Susana [1 ]
Santillan, Rosa [2 ]
Farfan, Norberto [3 ]
机构
[1] Univ Autonoma Estado Hidalgo, Ctr Invest Quim, Mineral De La Reforma 42184, Mexico
[2] Inst Politecn Nacl, Ctr Invest & Estudios Avanzados, Dept Quim, Mexico City 07000, DF, Mexico
[3] Univ Nacl Autonoma Mexico, Fac Quim, Dept Quim Organ, Mexico City 04510, DF, Mexico
关键词
Schiff bases; Boronates; Potassium cyanide; 2-Arylbenzoxazoles; NMR; PHENOLIC SCHIFFS BASES; DIELS-ALDER REACTION; OXIDATIVE CYCLIZATION; 2-SUBSTITUTED BENZOXAZOLES; STEREOSELECTIVE ADDITION; C=N BOND; BENZOTHIAZOLES; INHIBITORS; ANTAGONIST; LIBRARY;
D O I
10.1016/j.tetlet.2010.03.027
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
The 2-arylbenzoxazoles 3a-f were produced in moderate to excellent yields merely by stirring a potassium cyanide (3 equiv)-containing methanol solution of the borobicyclic compounds 1a-f at room temperature. These compounds were fully characterized spectroscopically [1R, H-1, and C-13 NMR and X-ray analysis (3a)] and by elemental analysis. Crown Copyright (C) 2010 Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码:2633 / 2635
页数:3
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