Acta Crystallographica Section C
Acta Crystallographica
Section C
STRUCTURAL CHEMISTRY
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Acta Cryst.
(2013).
C
69
,
1177-1180
https://doi.org/10.1107/S0108270113023792
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Two seven-membered heterocycles with 1,2-diaza ring N atoms: 3,5,7-triphenyl-1,2-diazacyclohepta-1(7),2-diene and 3,7-bis(2-hydroxyphenyl)-5-phenyl-1,2-diazacyclohepta-1(7),2-diene
Y.-C. Shi
and
H.-Y. Duan
Two compounds containing seven-membered heterocyclic rings with 1,2-diaza N atoms have been synthesized and characterized. In each, the C
5
N
2
ring adopts a twist-boat conformation.
Keywords:
Seven-membered ring
;
nitrogen-containing heterocycle
;
conformational analysis
;
1,5-diketone
.
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