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Measurements of pKa and hydrogen-bond strengths of some organosilicon- and organogermanium-substituted pyridine N-oxides

✍ Scribed by Michael A. Weiner; Paul Schwartz

Book ID
108351621
Publisher
Elsevier Science
Year
1972
Tongue
English
Weight
490 KB
Volume
35
Category
Article
ISSN
0022-328X

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Aromatic I3C chemical shifts of 4-and hubstituted pyridine N-oxides in aprotic and protic solvents are reported and discussed. Changes in chemical shifts caused by hydrogen bonding and protonation are much smaller than those induced by a substituent, and are not related to the pK, values of N-oxides