| 发明名称 |
Process for preparation of 6, 7-bis(2-methoxyethoxy) quinazolin-4-one |
| 摘要 |
6,7-Bis(2-methoxyethoxy)quinazolin-4-one of formula (5) useful in synthesis of an anti-cancer drug can be prepared by a reaction of ethyl 2-amino-4,5-bis(2-methoxyethoxy)benzoate of formula (4) with an orthoformic acid in the presence of an ammonium acetate: |
| 申请公布号 |
US8133999(B2) |
申请公布日期 |
2012.03.13 |
| 申请号 |
US20090484632 |
申请日期 |
2009.06.15 |
| 申请人 |
NISHINO SHIGEYOSHI;HIROTSU KENJI;SHIMA HIDETAKA;ODA HIROYUKI;SUZUKI SHINOBU;UBE INDUSTRIES, LTD. |
发明人 |
NISHINO SHIGEYOSHI;HIROTSU KENJI;SHIMA HIDETAKA;ODA HIROYUKI;SUZUKI SHINOBU |
| 分类号 |
C07D239/72;C07C67/31;C07D239/88 |
主分类号 |
C07D239/72 |
| 代理机构 |
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