Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1991-04-16
1994-04-12
Ivy, C. Warren
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
C07D32300
Patent
active
053027299
ABSTRACT:
Novel bis(extraannular functionally-substituted phenylene) crown compounds, useful as chelating agents or in the synthesis of condensation polymers containing large semi-rigid macrocycles in the polymer backbone, are described. A broad range of functional groups (preferably in the 5-position) can be used in the 1,3-phenylene varieties. Carboxy functional groups are used in certain novel 1,2-phenylene crowns.
REFERENCES:
patent: 4876367 (1989-10-01), Urban
patent: 4942149 (1990-07-01), Shinbo et al.
Delaviz Yadollah
Gibson Harry W.
Fennelly Richard P.
Ivy C. Warren
Morris Louis A.
Owens A. A.
Virginia Tech Intellectual Properties Inc.
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