Mono- and di(functionally-substituted phenylene) semi-rigid crowns and precursors thereof
AssigneeVirginia Tech Intellectual Properties, Inc.
InventorsHarry W. Gibson, Yadollah Delaviz
Life of this patent
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Abstract
Bis(carboalkoxy-substituted m-phenylene)-32-crown-10 compounds, useful as polymerizable monomers, can be formed in one step by reacting a functionalized dihydroxy aromatic compound with a dihalopolyether. In the same reaction, carboalkoxy-substituted m-phenylene-16-crown-5 is formed. Other mono- and di-functionalized bis(phenylene) crown ethers can be made by one step as well as multistep synthesis from similar starting materials.
Claims9
Bis(extraannular functionally-substituted phenylene)-32-crown-10 compounds which are 5-carboalkoxy substituted.
Extraannular functionally-substituted phenylene-16-crown-5 compounds which are 5-carboalkoxy-1,3-phenylene.
Bis(extraannular alkyl-substituted phenylene)-32-crown-10 compounds which are 5-methyl-1,3-phenylene.
1,3-(5-methylphenylene)-16-crown-5.
Extraannular mono- or alkyl-substituted bis(phenylene)-32-crown-10 compounds which are 5-methyl-bis(1,3-phenylene.
Extraannular mono-carboalkoxy bis(phenylene)-32-crown-10 compounds which are 5-carboalkoxy bis-(1,3-phenylene).
Dependencies are inferred from the claim text.