| 发明名称 |
Process for preparing arylsulfonyl isocyanates by phosgenation of arylsulfonamides |
| 摘要 |
An improved process for preparing arylsulfonyl isocyanates by phosgenation of arylsulfonamides in the presence of a catalytic quantity of a hydrocarbyl isocyanate and a catalytic quantity of a tertiary amine base. The sulfonyl isocyanates are useful intermediates.
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| 申请公布号 |
US4379769(A) |
申请公布日期 |
1983.04.12 |
| 申请号 |
US19800192707 |
申请日期 |
1980.10.01 |
| 申请人 |
E. I. DU PONT DE NEMOURS AND COMPANY |
发明人 |
LEVITT, GEORGE |
| 分类号 |
(IPC1-7):C07C143/79 |
主分类号 |
(IPC1-7):C07C143/79 |
| 代理机构 |
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