Direct oxidative cascade cyclisation of 2-aminobenzoic acid and arylaldehydes to aryl 4H-3,1-benzoxazin-4-ones with oxone
作者:Sathishkumar Munusamy、Vivek Panyam Muralidharan、Sathiyanarayanan Kulathu Iyer
DOI:10.1016/j.tetlet.2016.12.072
日期:2017.2
cyclisation of 2-aminobenzoic acids and arylaldehyde using I2 as a catalyst and an environmentally benign oxidant oxone. This method displays facile access to a diverse range of substituted aryl 4H-3,1-benzoxazin-4-ones. This synthetic methodology has many advantages such as: (1) easy availability of starting material, (2) transition metal-free condition (3) use of an environmentally benign oxidant.
本文介绍了一种使用I 2作为催化剂和对环境无害的氧化剂oxone对2-氨基苯甲酸和芳醛进行氧化级联的方法。该方法显示容易获得各种取代的芳基4H-3,1-苯并恶嗪-4-酮。这种合成方法具有许多优点,例如:(1)容易获得起始原料;(2)无过渡金属的条件;(3)使用对环境无害的氧化剂。