Eight substituted ureas herbicides were synthesized with bis(trichloromethyl) carbonate(BTC). The production structures were identified by elemental analysis and IR.
用二(三氯甲基)碳酸酯(BTC)代替光气,“一锅法”合成了8种取代脲类除草剂,产物结构经元素分析、IR确证。
The reaction of bis-imidazoline with 1,2-dibromoethane and potassium carbonate in acetonitrile provided monobromide salt with a yield of 78.
在乙腈溶剂中,碳酸钾存在下,双咪唑啉和1,2-二溴乙烷进行扩环反应,得到环状中间体一溴盐,产率78。
The reaction of bis-imidazoline with 1,2-dibromoethane and potassium carbonate in acetonitrile provided monobromide salt with a yield of 78.
在乙腈溶剂中,碳酸钾存在下,双咪唑啉和1,2-二溴乙烷进行扩环反应,得到环状中间体一溴盐,产率78。
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