| 发明名称 |
PROCESS FOR THE PREPARATION OF 3,4-DIHYDROXY-3-CYCLOBUTENE-1,2-DIONE |
| 摘要 |
A process for the preparation of 3,4-dihydroxy-3-cyclobutene-1,2-dione of general formula (II) by hydrolyzing 3-alkoxy-2,2,4,4-tetrahalogenocyclobutanone derivatives of general formula (I), wherein R1 is alkyl; and R2, R3 and X are each independently halogeno.
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| 申请公布号 |
CA2223772(A1) |
申请公布日期 |
1997.10.16 |
| 申请号 |
CA19972223772 |
申请日期 |
1997.04.02 |
| 申请人 |
KYOWA YUKA CO., LTD. |
发明人 |
OKAJIMA, ASAKO;TOYODA, HIROSHI;USAMI, TAKESHI;MATSUSHITA, SHOSHIRO;SHIMIZU, IKUO |
| 分类号 |
C07C45/43;C07C45/63;C07C49/517;C07C49/707;(IPC1-7):C07C49/517 |
主分类号 |
C07C45/43 |
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