发明名称 |
Monoacetals of hydroquinone |
摘要 |
The present invention is for a process for preparing monoacetals of hydroquinone wherein said process provides for higher yields of greater purity. Said process utilizes a two step reaction wherein a protected hydroquinone is reacted with an enol ether to form a protected intermediate. Upon hydrogenolysis of said intermediate a final product, monoacetal hydroquinone, is formed having higher degree of purity and in greater yields that the yields attributed to reactions known in the art.
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申请公布号 |
US5811593(A) |
申请公布日期 |
1998.09.22 |
申请号 |
US19960747479 |
申请日期 |
1996.11.12 |
申请人 |
THE PROCTER & GAMBLE COMPANY |
发明人 |
CARTER, JOHN DAVID;PARSONS, JACK LEE;STARKS, DAVID FRED |
分类号 |
A61K8/37;A61Q19/02;C07C41/48;C07C41/54;C07C43/315;C07D307/20;C07D309/12;(IPC1-7):C07C43/307 |
主分类号 |
A61K8/37 |
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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