Bis(3-aminophenoxy) aromatics and method of preparing the same

Details Bis(3-aminophenoxy) aromatics and method of preparing the same Bis(3-aminophenoxy) aromatics and method of preparing the same

C - Chemistry, Metallurgy

07

C

260/597.7, 260/5

C07C 217/90 (2006.01) C07C 205/38 (2006.01)

Patent

CA 1256451

BIS (3-AMINOPIIENOXY) AROMATICS AND METHOD OF PREPARING THE SAME ABSTRACT OF THE DISCLOSURE Bis(3-nitrophenoxy) derivatives of aromatic or bridged aro- matic hydrocarbons are derived from m-dinitrobenzene and dihydroxy derivatives of said hydrocarbons by a condensation reaction in dipolar aprotic solvents in the presence of bases. The bis(3-nitro- phenoxy) derivatives obtained are successively reduced to afford bis- (3-aminophenoxy)derivatives. This is a new method for reacting the dihydroxy-derivatives with m-dinitrobenzene, and hence can prepare novel bis(3-aminophenoxy) derivatives such as 4,4'-bis(3-amino- phenoxy)biphenyl, 1-[4-(3-aminophenoxy)phenyl]-1,3,3-trimethyl-6- (3-aminophenoxy)indan, 6,6'-bis(3-aminophenoxy)-3,3,3',3'-tetra- methyl-1,1'spirobiindan, and methyl substituted 2,2'-bis[4-(3-amino- pllenoxy)phenyl]propane.

502460

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