An Efficient One-Pot Strategies for the Synthesis of [1,3] Oxazine Derivatives
摘要:
수용액속에서$NaHSO_4$,TBAB(相转移催化剂)、离子液体(1-丁基-3-甲基咪唑硫酸氢[bmim]$HSO_4$)、福尔马林、${\beta}$-萘酚、2,3- 二氢-2-苯基-1Hnaphtho-[1,2-e] [1,3] oxazine 유도체를 합성할 수 있는 보다 친환경적이고, 수율이 좋고, 크로마토그래피 분리 방법을 사용하지 않는 합성 방법을 개발하였다.
硫酸氢钠($NaHSO_4$)、作为水中相转移催化剂(PTC)的正丁基溴化铵(TBAB)和作为离子液体(IL)的 1-丁基-3-甲基咪唑硫酸氢盐 [bmim]$HSO_4$ 被用作福尔马林环缩合的温和反应促进剂、${\beta}$-萘酚和芳香胺可分别生成 2,3-二氢-2-苯基-1H-萘并[1,2-e] [1,3] 恶嗪衍生物。本方案更环保、产率高,并采用了非色谱分离程序。
Polyethylene glycol (PEG) mediated expeditious synthetic route to 1,3-oxazine derivatives
作者:Pravin V. Shinde、Amol H. Kategaonkar、Bapurao B. Shingate、Murlidhar S. Shingare
DOI:10.1016/j.cclet.2011.01.011
日期:2011.8
Various 1,3-oxazine derivatives were synthesized in high yields, within shorter reaction times using PEG-400 as a safer medium/mediator. This synthetic route is exceedingly easy and avoids the use of acid/base catalysts. (C) 2011 Murlidhar S. Shingare. Published by Elsevier B.V. on behalf of Chinese Chemical Society. All rights reserved.