Chemical and Pharmaceutical Bulletin p. 1181 - 1187 (1996)
Update date:2022-07-30
Topics:
Lien, Jin-Cherng
Huang, Li-Jiau
Wang, Jih-Pyang
Teng, Che-Ming
Lee, Kuo-Hsiung
Kuo, Sheng-Chu
Modification of 2-acetamido-3-chloro-1,4-naphthoquinone, which has potent antiplatelet, antiallergic and antiinflammatory activities, led to a series of 2,3-disubstituted 1,4-naphthoquinones. Some of these compounds showed significant antiplatelet, antiallergic and antiinflammatory activities. Among them, 2-methoxy-3-chloro-1,4-naphthoquinone (15) and 2- ethoxy-3-chloro-1,4-naphthoquinone (17) exhibited potent inhibitory effects on neutrophil and mast cell degranulation. 2-Methoxy-1,4-naphthoquinone (20) and 2-ethoxy-1,4-naphthoquinone (21) exhibited potent inhibitory effect on neutrophil superoxide formation. These four compounds were thus selected for further evaluation.
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