The utilization of green chemistry techniques is dramatically reducing chemical waste and reaction times and has recently been proven in several organic syntheses and chemical transformations. To illustrate these advantages sulphamic acid is used as a novel recyclable heterogeneous catalyst in the cyclization of Perkin condensation product a-arylidine-b-benzoyl propionic acid to achieve biologically potent 1-phenylnaphthalene system and pericarbonyl lactone lignans under two experimental conditions i.e., conventional and microwave irradiation. The generality of this protocol has been demonstrated by synthesizing a variety of substituted 1-phenyl-naphthalene systems in excellent yields, short reaction time and with good purity.
绿色
化学技术的利用极大地减少了
化学废物和反应时间,并且最近已在多种有机合成和
化学转化中得到证明。为了说明这些优点,
氨基磺酸被用作新型可回收多相催化剂,用于 Perkin 缩合产物 a-亚芳基-b-苯甲酰基
丙酸的环化,以在两种实验条件下(即常规和微波照射。该方案的通用性已通过合成多种取代的
1-苯基萘系统得到证明,其收率优异、反应时间短且纯度良好。