Group 13 element containing conformationally rigid “N–E–N” heteroatomic bridged [3.3](2,6)pyridinophanes (E = B, Al)†
Deependra
Bawari, 
a
Chandrakala
Negi,
a
Kuldeep
Jaiswal,
a
Billa
Prashanth,
a
Angshuman Roy
Choudhury
a
and
Sanjay
Singh
*a
a
Chandrakala
Negi,
a
Kuldeep
Jaiswal,
a
Billa
Prashanth,
a
Angshuman Roy
Choudhury
a
and
Sanjay
Singh
*a
Abstract
The first examples of group 13 element containing pyridinophanes have been assembled using heteroatom N–E–N bridges (E = B, Al). The presence of B and Al as acceptor atoms in the bridges and their coordination with pyridine nitrogen has a very strong influence on the conformational rigidity of the pyridinophanes.
pyridinophanes (E = B, Al)](/en/Image/Get?imageInfo.ImageType=GA&imageInfo.ImageIdentifier.ManuscriptID=C8CC05154B&imageInfo.ImageIdentifier.Year=2018)
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