C - Chemistry – Metallurgy – 07 – F
Patent
C - Chemistry, Metallurgy
07
F
C07F 17/02 (2006.01) C07D 323/00 (2006.01) C07D 327/00 (2006.01) C07D 341/00 (2006.01) C07D 471/22 (2006.01) C07D 498/18 (2006.01) C07D 515/18 (2006.01) C07F 15/02 (2006.01)
Patent
CA 2259721
Cyclic aryl ethers, thioethers or amines, and methods for synthesis are disclosed. These cyclic aryl compounds are synthesized by combining a first dinucleophile with a substituted benzene metallized electron-withdrawing complex, having halo or nitro substituent groups, to form a linear bimetallized aryl compound. The linear bimetallized aryl compound is then reacted with a second dinucleophile to form a cyclic bimetallized aryl compound. The metallized electron-withdrawing moieties are then removed from said cyclic bimetallized aryl compound by photolytic demetallation to form a cyclic aryl compound having the formula Image wherein: X1 and X3 are the same or different and each is a alkyl, heteroalkyl, heterocyclic or aromatic group having up to 6 conjugated rings, optionally substituted; X2 is benzene n1 and n3 are the same or different and each is O, S or N; and n4 is H or lower alkyl.
Abd-El-Aziz Alaa S.
de Denus Christine R.
May Leslie J.
Gowling Lafleur Henderson Llp
University Of Winnipeg
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