Name | o-(2-methoxyethoxy)-benzene sulfonyl isocyanate |
Synonyms | o-(2-methoxyethoxy)-benzene sulfonyl isocyanate |
CAS | 89020-61-1 |
Physical and Chemical Properties | The pure chemical property is a colorless oily liquid, which decomposes in water and humid air, and is soluble in xylene, toluene, acetonitrile and other solvents. |
Use | Use o-(2-methoxyethoxy) benzenesulfonyl isocyanate is an intermediate of the sulfonylurea herbicide ether sulfuron. |
the preparation method is to add xylene and o-(2-methoxyethoxy) benzenesulfonamide in the reaction kettle, then add butyl isocyanate xylene solution, heat up and reflux, react for 15min, then introduce phosgene at about 130 ℃ for about 6~7 h, pass through the phosgene, evaporate butyl isocyanate and xylene at normal pressure, and the residue is o-(2-methoxyethoxy.