发明名称 |
Die Herstellung von 1,2-Diacyl-2-(t-alkyl)-Hydrazinen |
摘要 |
The present invention provides a process for preparing 1,2-diacyl-2-(t-alkyl)hydrazines. More particularly, the present invention a process for preparing the aforesaid diacylhydrazines utilizing a solvent comprising an ester or a mixture of an ester and water in a process wherein an aromatic acid chloride is reacted in a first step with a t-alkylhydrazine or a corresponding acid addition salt of a t-alkylhydrazine such as the hydrochloride salt in the presence of a base to afford a 1-acyl-2-t-alkylhydrazine followed by a second step wherein an aromatic acid chloride is reacted with the aforesaid monoacylhydrazine in the presence of a base to afford the desired 1,2-diacyl-2-(t-alkyl)hydrazine. Such compounds are known to have excellent insecticidal activity against insects of the orders Lepidoptera and Coleoptera. |
申请公布号 |
DE69406227(D1) |
申请公布日期 |
1997.11.20 |
申请号 |
DE1994606227 |
申请日期 |
1994.08.04 |
申请人 |
ROHM AND HAAS CO., PHILADELPHIA, PA., US |
发明人 |
KELLY, MARTHA JEAN, NORRISTOWN, PENNSYLVANIA 19403, US |
分类号 |
A01N37/28;C07C241/04;C07C243/38;(IPC1-7):C07C243/38 |
主分类号 |
A01N37/28 |
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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