Letter | Published:

New General Methods for the Synthesis of Fluoroiodides and Fluoroacids

Nature volume 166, pages 192193 (29 July 1950) | Download Citation

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Abstract

THE unusual properties associated with the fluorocarbons are now well defined, and current interest lies in the synthesis of compounds which contain fluorocarbon groups such as perfluoroalkyl groups. For such syntheses, compounds of the type RX are required, where R is a fluoroalkyl group (CF3, CF2Cl, C2F5, etc.) and X is a reactive group. The fluoroacids (X = COOH) are examples of such compounds, but lead in general to compounds of the general formula RCH2Y, in which a —CH2— group has been introduced. The fluoroiodides, RI, have received attention recently, and it is now known that they readily yield perfluoroalkyl radicals which can be used for synthetic work. In particular, it has been reported that trifluoroiodomethane will bring about an addition polymerization with ethylene1 and with acetylene2 to give compounds of the type CF3[CH2CH2]nI and CF3[CH=CH]nI.

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Affiliations

  1. University Chemical Laboratory, Pembroke Street, Cambridge, May 5.

    • R. N. HASZELDINE

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DOI

https://doi.org/10.1038/166192b0

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