| 发明名称 |
PROCESS FOR THE PREPARATION OF 3,4-DIHYDROXY-3-CYCLOBUTENE-1,2-DIONE |
| 摘要 |
(see formula I and II) In the formulae, R1 represents alkyl; and R2, R3 and X independently represent halogen. The present invention relates to a method for producing 3,4-dihydroxy-3-cyclobutene-1,2-dione of general formula (II) by hydrolyzing 3-alkoxy-2,2,4,4-tetrahalogenocyclobutanone derivative of general formula (I).
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| 申请公布号 |
CA2223772(C) |
申请公布日期 |
2006.01.10 |
| 申请号 |
CA19972223772 |
申请日期 |
1997.04.02 |
| 申请人 |
KYOWA YUKA CO., LTD. |
发明人 |
USAMI, TAKESHI;SHIMIZU, IKUO;OKAJIMA, ASAKO;TOYODA, HIROSHI;MATSUSHITA, SHOSHIRO |
| 分类号 |
C07C45/63;C07C45/43;C07C49/517;C07C49/707 |
主分类号 |
C07C45/63 |
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