The radical anion of 1,2:9,10-dibenzo[2,2]paracyclophane (3) has been studied by ESR, ENDOR, and TRIPLE resonance spectroscopy under a variety of experimental conditions. The coupling constants of the eight protons in the deck-benzene rings, and of the four inner and four outer protons in the side-b
ENDOR study on the anion radical of benzo[c]cinnoline
β Scribed by Hideo Fujita; Yasuo Deguchi; Hiroaki Ohya-Nishiguchi; Kazuhiko Ishizu
- Publisher
- John Wiley and Sons
- Year
- 1981
- Tongue
- English
- Weight
- 164 KB
- Volume
- 16
- Category
- Article
- ISSN
- 0749-1581
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β¦ Synopsis
Abstract
The ENDOR spectrum was obtained for the benzo[c]cinnoline anion radicalin 1,2βdimethoxyethane. The hfs constants of the protons correspond with those found by EPR spectroscopy, and also agree well with the qualitative tendency of the reported spin density distributions by HMO calculation.
π SIMILAR VOLUMES
## Abstract ^1^Hβ and ^14^Nβcoupling constants have been determined by ESR. and ENDOR. spectroscopy for the radical anions of 1β and 2βcyanoβ, and 1β and 2βnitronaphthalene.
A few preliminary results on lr, 2:, 3:, and 47 have been mentioned in [4].
The radical anions of 5H-dibenzo[a,d]cycloheptene (9), 5H-dibenzo[c,fl[ 1,2]diazepine (lo), 5,6-dihydrodibenzo[a,e]cyclooctene (1 l), 5,6-dihydrodibenzo[c,g][ 1,2]diazocine (It), and (E)-2,2,5,5-tetramethyl-3,4-diphenylhex-3-ene (13) were characterized by ESR and ENDOR spectroscopy. Their hyperfine