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首页> 外文期刊>Chemistry of heterocyclic compounds >Synthesis and reduction of 5-halo-and 5-nitro-1-(benzofuran-3-yl)-2-phenylethanones
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Synthesis and reduction of 5-halo-and 5-nitro-1-(benzofuran-3-yl)-2-phenylethanones

机译:5-卤代和5-硝基-1-(苯并呋喃-3-基)-2-苯基乙酮的合成与还原

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摘要

Novel 1-(2-alkylbenzofuran-3-yl)-2-(4-methoxyphenyl)ethanones having a halogen or nitro group in position 5 of the benzofuran ring were synthesized starting with the corresponding 2-(2-formylphenoxy)alkanoic acids. 1-(2-Alkylbenzofuran-3-yl)-2-phenylethanols containing bromine or chlorine atom were prepared in high yields by reduction of the corresponding ethanones with lithium aluminum hydride. Selective catalytic reduction of nitro 1-(2-alkylbenzofuran-3-yl)-2-(4-methoxyphenyl)ethanones to the corresponding amino compounds under Pd/C in room temperature was achieved.
机译:从相应的2-(2-甲酰基苯氧基)链烷酸开始,合成在苯并呋喃环的5位具有卤素或硝基的新型1-(2-烷基苯并呋喃-3-基)-2-(4-甲氧基苯基)乙酮。含有溴或氯原子的1-(2-烷基苯并呋喃-3-基)-2-苯基乙醇是通过用氢化铝锂还原相应的乙酮而高产率制备的。在室温下,在Pd / C下,将硝基1-(2-烷基苯并呋喃-3-基)-2-(4-甲氧基苯基)乙酮选择性催化还原为相应的氨基化合物。

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