发明名称 |
Catalyst for preparing lactone and a method for preparing lactone |
摘要 |
The present invention relates to a catalyst for preparing a lactone, which is prepared by supporting a cupric compound, a zinc compound and at least one alkaline earth metal compound on the supporter. The present invention also relates to a method for preparing a lactone, which comprises a dehydrocyclization reaction of a diol under a gas phase in the presence of the aforementioned catalyst after activating said catalyst. The catalyst for preparing lactone of the present invention is quite economic because of its high activity, long lifetime and high selectivity of products.
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申请公布号 |
US6323347(B2) |
申请公布日期 |
2001.11.27 |
申请号 |
US20000737894 |
申请日期 |
2000.12.15 |
申请人 |
DAIREN CHEMICAL CORPORATION |
发明人 |
CHEN SHIEN-CHANG;LIN FU-SHEN;HSU LIANG-AN;TSAI CHENG-LIN |
分类号 |
C07D307/33;B01J23/78;B01J23/80;C07B61/00;C07D305/12;C07D309/30;C07D313/04;C07D315/00;(IPC1-7):C07D307/32;B01J37/00 |
主分类号 |
C07D307/33 |
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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