| 发明名称 |
PROCESS FOR PRODUCING QUINAZOLIN-4-ONE DERIVATIVE |
| 摘要 |
<p>A process for producing a quinazolin-4-one compound having the formula: <CHEM> Äwherein R<1>, R<2>, R<3> and R<4> each represents a group not participating in the below-mentioned reaction, and R<1>, R<2>, R<3> and R<4> can be combined together to form a ringÜ which comprises reacting an anthranilic acid derivative having the formula: <CHEM> Äwherein R<5> is a hydrogen atom or a hydrocarbyl groupÜ with a formic acid derivative in the presence of an ammonium carboxylate.</p> |
| 申请公布号 |
EP1477481(A1) |
申请公布日期 |
2004.11.17 |
| 申请号 |
EP20030703066 |
申请日期 |
2003.01.28 |
| 申请人 |
UBE INDUSTRIES, LTD. |
发明人 |
NISHINO, SHIGEYOSHI;HIROTSU, KENJI;SHIMA, HIDETAKA;HARADA, TAKASHI;ODA, HIROYUKI;TAKAHASHI, TAKESHI;SUZUKI, SHINOBU |
| 分类号 |
C07C201/08;C07C205/59;C07C205/60;C07C227/04;C07C229/56;C07C229/64;C07D239/88;C07D239/90;(IPC1-7):C07D239/88 |
主分类号 |
C07C201/08 |
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