The mechanism of long-range proton-proton coupling
โ Scribed by R. Ditchfield; G. T. Jones; J. N. Murrell
- Publisher
- Springer
- Year
- 1968
- Tongue
- English
- Weight
- 340 KB
- Volume
- 9
- Category
- Article
- ISSN
- 1432-2234
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๐ SIMILAR VOLUMES
Long-range coupling between protons separated by four or more bonds has recently been observed for a number of compounds' and it appears that a near pl-zig-sag arrangement of the atoms concerned Is required. 2'3 We report here observation of coupling between the C-l and C-3 protons in isoquinollne R
## Abstract Interโproton longโrange and ring couplings were measured in __o__โanisaldehyde and in seven disubstituted anisoles. In order to investigate the transmission mechanisms of longโrange couplings with the methoxy group, partially restricted molecular orbital (PRMO) calculations were carried