Tetrahedron Letters p. 5367 - 5370 (1986)
Update date:2022-08-16
Topics:
Neugebauer, Franz A.
Fischer, Hans
5,6,8,9-Tetraaza(3.3)paracyclophane (3a) and the corresponding 14,17-dimethoxy derivative 3b were prepared. 3a and 3b exist as chair and boat conformers, the boat form being energetically favoured.Transannular interaction in 3a and 3b leads to a hypsochromic shift of the first n<*>?* absorption.
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Doi:10.1002/hlca.201900033
(2019)Doi:10.1016/j.carres.2014.04.019
(2014)Doi:10.1039/c6dt01815g
(2016)Doi:10.1080/00397910802323130
(2008)Doi:10.1016/S0040-4020(01)90586-1
(1986)Doi:10.1016/j.tetlet.2014.01.052
(2014)
