Concise Copper-Catalyzed Synthesis of Tricyclic Biaryl Ether-Linked Aza-Heterocyclic Ring Systems

2013 ◽  
Vol 15 (21) ◽  
pp. 5448-5451 ◽  
Author(s):  
Paola Mestichelli ◽  
Matthew J. Scott ◽  
Warren R. J. D. Galloway ◽  
Jamie Selwyn ◽  
Jeremy S. Parker ◽  
...  
Keyword(s):  
Heterocyclic Ring ◽  
Ring Systems ◽  
Biaryl Ether

ChemInform Abstract: Concise Copper-Catalyzed Synthesis of Tricyclic Biaryl Ether-Linked Aza-Heterocyclic Ring Systems.

ChemInform ◽  
2014 ◽  
Vol 45 (13) ◽  
pp. no-no
Author(s):  
Paola Mestichelli ◽  
Matthew J. Scott ◽  
Warren R. J. D. Galloway ◽  
Jamie Selwyn ◽  
Jeremy S. Parker ◽  
...  
Keyword(s):  
Heterocyclic Ring ◽  
Ring Systems ◽  
Biaryl Ether

Use of highly stereospecific 1,3-dipolar cycloadditions of cyclic nitrones with acetylenes in the preparation of novel heterocyclic ring systems

1997 ◽  
pp. 155-162 ◽  
Author(s):  
W. Russell Bowman ◽  
Roy V. Davies ◽  
Alexandra M. Z. Slawin ◽  
Gian S. Sohal ◽  
Roger B. Titman ◽  
...  
Keyword(s):  
Heterocyclic Ring ◽  
Ring Systems ◽  
Dipolar Cycloadditions ◽  
Cyclic Nitrones

scholarly journals Poly[[tetramethanolbis[4-oxo-3-(pyridin-4-yl)-1-(2,4,6-trichlorophenyl)-4,5-dihydro-1H-pyrazolo[3,4-d]pyrimidin-6-olato]disodium]–diethyl ether–methanol (1/1/2)]

IUCrData ◽  
2016 ◽  
Vol 1 (7) ◽  
Author(s):  
Bassam Abu Thaher ◽  
Dieter Schollmeyer ◽  
Stefan Laufer
Keyword(s):  
Diethyl Ether ◽  
Title Compound ◽  
Pyridine Ring ◽  
Heterocyclic Ring ◽  
Sodium Ion ◽  
Dihedral Angles ◽  
Ring Systems ◽  
Octahedral Environment

In the title compound, [Na2(C16H7Cl3N5O2)2(CH3OH)4]·C4H10O·2CH3OH, the central pyrazolo[3,4-d]pyrimidine system makes dihedral angles of 82.98 (7)° with the trichlorophenyl ring and 13.11 (15)° with the pyridine ring. The sodium ion has an octahedral environment, being coordinated by four methanol molecules and one O and one N atom of two different heterocyclic ring systems.

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