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portada Ring Flip
Type
Physical Book
Language
English
Format
Paperback
Dimensions
22 x 0 cm
ISBN13
9786131278860

Ring Flip

New Book Imported to Netherlands
Delivery: 02 Oct - 06 Oct Shipping: 14 to 15 business days.
€ 162,73
Import costs and 9% BTW included in the price ✅
€ 162,73

Synopsis "Ring Flip"

Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Ring flipping (also known as ring inversion or ring reversal) is a phenomenon involving the interconversion (by rotation) about single bonds of cyclic conformers having equivalent ring shapes but not necessarily equivalent spatial positions of substituent atoms. The six-membered ring of the alkane, cyclohexane, has the ''chair'' as its preferred conformation and through proton NMR it would be expected that the produced spectrum would show the different sorts of protons (axial and equatorial) resonating at different frequencies, and so two signals would be seen, due to the protons being in slightly different chemical environments. However, only one signal can be seen as the two isomers are rapidly interconverting. This also occurs with monosubstituted cyclohexanes. This changes with the use of low temperature, as the two isomers visible interconvert much more slowly than at room temperature.

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