ISSN:
0030-4921
Keywords:
Chemistry
;
Analytical Chemistry and Spectroscopy
Source:
Wiley InterScience Backfile Collection 1832-2000
Topics:
Chemistry and Pharmacology
Notes:
The ‘syn-upfield’ rule for vicinal shielding by methyl and chlorine substituents has been confirmed for a series of 4-chlorocyclopentenes, and used to make configurational assignments in cases where conclusions based on vicinal proton coupling are not reliable. The methoxymethyl group should be added to those substituents whose effect on vicinal protons can be deshielding, irrespective of geometry.
Additional Material:
1 Tab.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1002/omr.1270210411
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