Higher Order and Substituent Chemical Shift Effects in the Proton NMR of Glycosides
β Scribed by Pauli, Guido F.
- Book ID
- 124094200
- Publisher
- American Chemical Society
- Year
- 2000
- Tongue
- English
- Weight
- 92 KB
- Volume
- 63
- Category
- Article
- ISSN
- 0163-3864
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π SIMILAR VOLUMES
There are many literature examples correlating C-13 n.m.r. substituent chemical shifts in substituted benzenes with Bsamett substituent constants.' The direction of these substituent chemical shifts has been logically explained in terms of substituent electronic properties; the electron donors resul
The proton shifts of trans-decalin and of its Phydroxy derivative were determined by 2D NMR methods, supported in the latter case by lanthanide-induced shifts. Based on these shifts and on literature data, substituent (X)-induced chemical shifts (SCS) were obtained for the PX-trans-decalins for X =
## Abstract An additivity relationship of substituent effects on the formyl proton chemical shift has been tested with ten disubstituted benzaldehydes. In most cases it is found that the formyl proton chemical shift, extrapolated to infinite dilution in nitromethane, is in good agreement with that