ATROPISOMERS OF COFACIAL HETEROAROMATIC RINGS WITH 2 POSITIVE CHARGES- DERIVATIVES OF 1,8-DI(3'-PYRIDYL)NAPHTHALENE

Authors
ZOLTEWICZ JA MAIER NM FABIAN WMF
Citation
Ja. Zoltewicz et al., ATROPISOMERS OF COFACIAL HETEROAROMATIC RINGS WITH 2 POSITIVE CHARGES- DERIVATIVES OF 1,8-DI(3'-PYRIDYL)NAPHTHALENE, Journal of organic chemistry, 61(20), 1996, pp. 7018-7021
Citations number
29
Categorie Soggetti
Chemistry Inorganic & Nuclear
Journal title
Journal of organic chemistry → ACNP
ISSN journal
00223263
Volume
61
Issue
20
Year of publication
1996
Pages
7018 - 7021
Database
ISI
SICI code
0022-3263(1996)61:20<7018:AOCHRW>2.0.ZU;2-H
Abstract
The two nitrogen atoms in 1,8-di(3'-pyridyl)naphthalene were quaterniz ed by the addition of either benzyl or methyl groups to give dications ; the latter was oxidatively converted to the di(6'-pyridone). N-Oxida tion gave the mono- and di-N-oxides. All these compounds in DMSO-d(6) show anti-syn atropisomerism at ambient temperatures by H-1 NMR analys is; similar amounts of both diastereomers are present.