ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] A halogen atom ortho to the phenol OH forms an intramolecular hydrogen bond of medium strength with the hydroxyl group, giving rise to a remarkable low-field shift of the OH signal, while ortho substituents, containing a carbonyl or nitro group, give rise to considerably larger paramagnetic shifts, ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/2041190a0
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