发明名称 Ketoheterocyclic derivatives
摘要 Novel, thermoplastic heterocyclic-substituted 3-oxopentane derivatives, and the method of their production by reaction of an o-phenylene amine compound and the source of a five-carbon keto-containing moiety selected from 4-oxoheptanedioic acid compounds or 1,6-dioxa [4.4] spirodilactones.
申请公布号 US4908458(A) 申请公布日期 1990.03.13
申请号 US19880284873 申请日期 1988.12.15
申请人 SHELL OIL COMPANY 发明人 WANG, PEN C.
分类号 C07D235/20 主分类号 C07D235/20
代理机构 代理人
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