Tribenuron-methyl is synthesized via ring-opening reaction, phosgenation and condensation.
经过开环、光气化、缩合等一系列反应制备了苯磺隆。
Toluene diisocyanate (TDI) is one of the most useful kinds of isocyanateth that is produced by the method of phosgenation of amine.
甲苯二异氰酸酯（TDI）是异氰酸酯化合物中应用最广泛的品种之一，其工业生产主要采用胺光化法。
Using sodium dicyandiamide and saccharin as raw materials, tribenuron-methyl is synthesized via ring-opening reaction, phosgenation and condensation with total yield of 57.
以双氰胺钠和糖精为起始原料，经过开环、光气化、缩合等一系列反应制备了苯磺隆，合成反应的总收率可达57。
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