发明名称 |
Process for the production of phthalazineacetic acid ester derivatives and a novel intermediate. |
摘要 |
<p>This invention relates to a process for the production of phthalazineacetic acid ester derivatives of the formula <CHEM> wherein R is (C1-C4)alkyl. This invention also relates to the novel compound 1-hydrazino-1,2,3,4-tetrahydro-4-oxo-phthalazineacetic acid of the formula <CHEM> which is an intermediate formed in the process of this invention and which is useful for the production of phthalazineacetic acid ester derivatives of formula IV. The compounds of formula IV are useful for the preparation of certain heterocyclic oxophthalazinyl acetic acids and esters thereof.</p> |
申请公布号 |
EP0331314(A2) |
申请公布日期 |
1989.09.06 |
申请号 |
EP19890301520 |
申请日期 |
1989.02.16 |
申请人 |
PFIZER INC. |
发明人 |
SINAY, TERRY GENE, JR.;SYSKO, ROBERT JOHN |
分类号 |
C07D237/30;A61K31/502;C07D237/32;C07D237/34;C07D307/88 |
主分类号 |
C07D237/30 |
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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