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CNDO/2 study of the effect of the nature of the substituent on the electronic state of the epoxide ring

✍ Scribed by E. G. Furman; A. P. Meleshevich


Book ID
112359900
Publisher
Springer
Year
1978
Tongue
English
Weight
517 KB
Volume
13
Category
Article
ISSN
0040-5760

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πŸ“œ SIMILAR VOLUMES


The CNDO/2 studies on the electronic spe
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Only recently has been completed the synthesis of the series of the three possible isomeric thienothiophenes, thieno[4,5\_b]thiophene II, thieno[2,3-b]thiophene III and thieno[3,4\_b]thiophene IV (Fig.l), with an appearance of the report on the isolation of the most unstable isomer of the above thre

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✍ Reino Laatikainen πŸ“‚ Article πŸ“… 1980 πŸ› John Wiley and Sons 🌐 English βš– 474 KB

## Abstract The general correlation between the electron densities and the ^13^C NMR chemical shifts is found to be quite poor in the cases discussed. The non‐additivities of the substituent effects on the chemical shifts and the CNDO/2 electron densities correlate only weakly. However, when the el