Abstract
SEVERAL syntheses of benzene and its simple derivatives labelled in the nucleus with isotopic carbon have been described1–5. The aluminium-halide catalysed rearrangement of alkyl cyclopentanes to cyclohexanes6,7 affords an attractive route to benzene and its homologues, and we now present a preliminary report of an examination of this method as it applies to benzene itself.
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References
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TURNER, H. A Convenient Synthesis of Carbon-labelled Benzene. Nature 168, 73–74 (1951). https://doi.org/10.1038/168073b0
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DOI: https://doi.org/10.1038/168073b0
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