本文报道在苯—氢氧化钠水溶液中，由苯酚和氯乙酸缩合制取苯氧乙酸的良好结果。
This work introduces nice results for the preparation of phenoxyacetio acid in benzene-sodium hydroxide aqueous system through condensation of phenol with chloroacetic acid.
方法在酸碱缓冲溶液中由红霉素A（3 ）与盐酸羟胺缩合生成1。
Methods The target compound(1)was prepared from erythromycin A(3)and hydroxylamine hydrochloride in a novel acid base buffer.
研究了在稀碱催化下邻羟基苯乙酮和苯甲醛在乙醇溶液中的羟醛缩合反应，溶剂可以循环使用，适合工业化生产。
During the condensation reaction, the feedstock remaining after reaction can be recycled, and this synthesis route was suitable for the commercial production.
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