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Synthesis 1997; 1997(11): 1249-1251
DOI: 10.1055/s-1997-1350
short paper
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The First Regiospecific Synthesis of 8,8-Dimethyl-2H,8H-pyrano[2,3-h]quinolin-2-one and Related Compounds

Hong-Bin Sun, Feng-Ling Qing* , Xianfeng Chen
  • *Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 354 Fenglin lu, Shanghai 200032, P.R. China, Fax +86(21)64166128; E-mail: FLQ@pub.sioc.ac.cn
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Publikationsdatum:
31. Dezember 2000 (online)

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The title compound was synthesized in eight steps, starting from 6-acetamindo-2,3-dimethyl-2H-1-benzopyran-4-one (6). The key steps involved are the regiospecific nitration of 6 and palladium(0)-catalyzed arylation of acrylic acid in aqueous media.

regiospecific synthesis - pyranoquinolin-2-one - regiospecific nitration - palladium(0)-catalyzed arylation

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