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Epoxide infrared spectra


Ring-stretch ("breathing"): Weak band near 1280-1230

Asymmetric ring deformation: Strong band near 950-815

Symmetric ring derfomation: Strong band near 880-750. Monosububstituted epoxides absorb near the higher end, disubstituted epoxides absorb near the lower end.
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7 comments:

  1. hunky22 September 2014 at 18:05

    This comment has been removed by a blog administrator.

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  2. Anonymous17 June 2015 at 02:42

    Can you tell me from which source you had this Information.... For my bachelorthesis it does not work to write "from a blog" as source :-/ I don't find this Information anywhere :(
    Thanks for help

    ReplyDelete
    Replies
    1. Joe17 June 2015 at 06:33

      Yeah "introduction to spectroscopy" here: https://drive.google.com/file/d/0B43zb8GUN7q2NFctdm9KajVTZ0E/view?usp=sharing

      But there is at least one newer edition which you might prefer to look for

      Delete
    2. Joe17 June 2015 at 06:34

      Either that or it was hidden away somewhere in Warren and Clayden

      Delete
  3. alfachemistry15 March 2019 at 06:43

    A large part of Alfa Chemistry's customers are pharmaceutical and biotechnology companies, including Pfizer, Novartis, Merck & Co., Johnson & Johnson, AstraZeneca, and Bayer. Alfa Chemistry is also a preferred partner for many universities and non-profit institutes. 1-dodecyl-2,3-methylimidazolium chloride

    ReplyDelete
  4. Unknown24 September 2020 at 22:21

    Hi I had a question,
    You notice a broad stretch at 3200-3500 in the it. The product is 2methyl-2-phenyloxirane

    Is this an oh stretch but there's no oh in the structure

    This is where the carbon oxygen bond stretch in the epoxide is seen

    Can't tell as this is not diagnostic for this reaction

    Please answer..

    ReplyDelete
  5. Unknown24 September 2020 at 22:22

    Hi I had a question,
    You notice a broad stretch at 3200-3500 in the it. The product is 2methyl-2-phenyloxirane

    Is this an oh stretch but there's no oh in the structure

    This is where the carbon oxygen bond stretch in the epoxide is seen

    Can't tell as this is not diagnostic for this reaction

    Please answer..

    ReplyDelete

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