期刊
JOURNAL OF ORGANIC CHEMISTRY
卷 68, 期 25, 页码 9589-9597出版社
AMER CHEMICAL SOC
DOI: 10.1021/jo035090f
关键词
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We have synthesized all three possible isomers of C-hydroxycarborane from the corresponding amines via diazotization. The O-protonated C-hydroxycarboranes were characterized using the NMR spectrum measurements. Attempts at generating of carboranyl carbocations were carried out by the solvolyses of C-tosylates and C-triflates, as well as by treatment with superacids. Anchimeric assistance of both homoconjugative and hyperconjugative substituents was also investigated, as demonstrated by a successful strategy devised for the solvolytic generation of a phenyl cation. However, we have not been able to chemically provide any evidence of carboranyl carbocations, although the carboranyl carbocation may be an intermediate in the decomposition of the C-carboranediazonium ion.
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