The σ,π-mixing responsible for the Z,Z configuration of the title compounds is indifferent to both withdrawing (NO2) and releasing (OMe) π-electron character of ortho-substituents, and the arrangement of aromatic rings in the Z,E configuration orthogonally to the NSN plane is a universal way to overcome steric hindrances due to bulky (But, Br) ortho-substituents.
I. Y. Bagryanskaya, Y. V. Gatilov and A. V. Zibarev, Mendeleev Commun., 1999, 9, 157 DOI: 10.1070/MC1999v009n04ABEH001140
To request permission to reproduce material from this article, please go to the Copyright Clearance Center request page.
If you are an author contributing to an RSC publication, you do not need to request permission provided correct acknowledgement is given.
If you are the author of this article, you do not need to request permission to reproduce figures and diagrams provided correct acknowledgement is given. If you want to reproduce the whole article in a third-party publication (excluding your thesis/dissertation for which permission is not required) please go to the Copyright Clearance Center request page.
Read more about how to correctly acknowledge RSC content.
Please wait while we load your content...