| 发明名称 |
Monoesterification of arylmalonic acids |
| 摘要 |
<p>The acid is esterified with an alcohol in the presence of thionyl chloride or bromide and a catalytic amount of HCON(Alkyl)2 or MeCON(Alkyl)2 in the ether as solvent. The products are useful for prepg. mono-ester acid chlorides for acylating 6-APA. The yield in the process is good.</p> |
| 申请公布号 |
FR2038933(A5) |
申请公布日期 |
1971.01.08 |
| 申请号 |
FR19700009162 |
申请日期 |
1970.03.13 |
| 申请人 |
PFIZER ET CO INC |
发明人 |
KASUBICK R V |
| 分类号 |
C07C57/34;C07C57/58;C07C59/64;C07C69/38;(IPC1-7):07C67/00;07D31/00;07D63/00;07D5/00;07C69/00 |
主分类号 |
C07C57/34 |
| 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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