REACTIVITY OF NITRO-ARENE AND NITROSO-ARENES WITH VINYL GRIGNARD-REAGENTS - SYNTHESIS OF 2-(TRIMETHYLSILYL)INDOLES

REACTIVITY OF NITRO-ARENE AND NITROSO-ARENES WITH VINYL GRIGNARD-REAGENTS - SYNTHESIS OF 2-(TRIMETHYLSILYL)INDOLES
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DOI:
10.1039/p19910002757
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发表时间:
1991-11-01
期刊:
JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 1
影响因子:
--
通讯作者:
MARCANTONI, E
MARCANTONI, E
中科院分区:
其他
文献类型:
--
作者:
BARTOLI, G;BOSCO, M;MARCANTONI, E

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亚硝基芳烃与1-(三甲基硅基)乙烯基溴化镁在乙醚中的反应是通过苯衍生物环化合成2-(三甲基硅基)吲哚的有用工具。 使用更常见的醚作为溶剂导致大量的偶氮和氧化偶氮衍生物。 相反,硝基芳烃和1-(三甲基甲硅烷基)乙烯基溴化镁的反应得到共轭加成产物。 这种行为的原因进行了讨论。
The reaction of nitrosoarenes and 1-(trimethylsilyl)vinylmagnesium bromide in dibutyl ether represents a useful tool for the synthesis of 2-(trimethylsilyl)indoles by cyclisation of benzene derivatives. The use of more common ethers as the solvent leads to large amounts of azo and azoxy derivatives. Conversely, the reaction of nitroarenes and 1-(trimethylsilyl)vinylmagnesium bromide gives conjugate addition products. The reasons for this behaviour are discussed.