发明名称 |
Process for the preparation of 2,3-dibromopropionyl chloride |
摘要 |
An improved process for the preparation of 2,3-dibromopropionyl chloride, which comprises brominating acrylic acid, adding iron powder or an iron salt to the resultant melt, chlorinating the dibromopropionic acid obtained, and removing the volatile components. The 2,3-dibromopropionyl chloride is obtained in high yield and purity and is an intermediate for synthesising in particular reactive dyes.
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申请公布号 |
US5344977(A) |
申请公布日期 |
1994.09.06 |
申请号 |
US19930008056 |
申请日期 |
1993.01.22 |
申请人 |
CIBA-GEIGY CORPORATION |
发明人 |
ARQUINT, ALFONS;LEUPIN, PETER |
分类号 |
B01J23/745;B01J27/053;B01J27/128;B01J27/25;C07B61/00;C07C51/363;C07C51/58;C07C51/60;C07C53/50;(IPC1-7):C07C53/19;C07C53/42 |
主分类号 |
B01J23/745 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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