| 摘要 |
Novel hydroxy-benzoheterocyclic-substituted 3-oxopentane derivatives are produced by reaction of a hydroxy-containing ortho-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. The derivatives produced from hydroxy-phenylenediamines are further reacted to produce compounds of higher cyclic functionality.
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