期刊
JOURNAL OF ORGANIC CHEMISTRY
卷 69, 期 7, 页码 2591-2594出版社
AMER CHEMICAL SOC
DOI: 10.1021/jo0353839
关键词
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Domino Michael-Aldol reactions on 1,4-diaryl-2-butene-1,4-diones with methyl acetoacetate in the presence of activated Ba(OH)(2) furnished methyl (1R*,2S*,4S*)-2-aroyl-4-hydroxy-6-oxo-4-arylcyclohexane-1-carboxylate derivatives in a stereo- and regiospecific manner. While treatment of these cyclohexanecarboxylate products with TsOH resulted in the dehydrated and decarbomethoxylated cyclohexenone derivatives, the reaction with NaOMe furnished 3,5-disubstituted phenols via dehydration, decarbomethoxylation, and dehydrogenation. NaCl/DMSO under microwave irradiation transformed the cyclohexanecarboxylate products to the 7-hydroxyisobenzofuranone derivatives.
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