Cycloaddition of 1-methyl-1-azaazulen-2(1H)-one with reactive acetylenes
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概要
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Reactions of 1-methyl-1-azaazulen-2(1H)-one with reactive acetylenes in refluxing acetonitrile gave 1,2-disubstituted azulene (2), 2-methylcyclopent [de] isoquinolin-3(2H)-one (3), 1-methylcyclopent [cd] azulen-2(1H)-ones (4 and 5), and 3-substituted 1-methyl-1-azaazulen-2(1H)-ones (6 and 7). When the reaction was carried out in refluxing t-butylbenzene, the compound 2 and 6, 8a-etheno-1-methyl-1-azaazulen-2(1H)-one (8) were obtained as major products.
- 日本複素環化学研究所の論文
日本複素環化学研究所 | 論文
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