期刊
RUSSIAN JOURNAL OF ORGANIC CHEMISTRY
卷 45, 期 12, 页码 1814-1817出版社
MAIK NAUKA/INTERPERIODICA/SPRINGER
DOI: 10.1134/S1070428009120100
关键词
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2-Benzylidene-3-methyl-4-nitro-2,5-dihydrothiophene 1,1-dioxide reacted with acyclic CH acids (acetylacetone, diethyl malonate, and its derivatives) according to the 1,4-addition pattern, whereas reactions of the title compound with cyclohexane-1,3-dione and 5,5-dimethylcyclohexane-1,3-dione (dimedone) were complicated by subsequent intramolecular heterocyclization leading to thieno[3,2-b]chromene derivatives.
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