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Substituted 1,1,1-triaryl-2,2,2-trifluoroethanes and processes for their synthesisSynthetic procedures are disclosed for tetraalkyls, tetraacids, and dianhydrides substituted 1,1,1-triaryl 2,2,2-trifluoroethanes which comprises: (1) 1,1-bis (dialkylaryl) 1-aryl 2,2,2-trifluoroethane, (2) 1,1-bis (dicarboxyaryl) 1-aryl 2,2,2-trifluoroethane, or (3) cyclic dianhydride or diamine of 1,1-bis (dialkylaryl) 1-aryl 2,2,2-trifluoroethanes. The synthesis of (1) is accomplished by the condensation reaction of an aryltrifluoromethyl ketone with a dialkylaryl compound. The synthesis of (2) is accomplished by the oxidation of (1). The synthesis dianhydride of (3) is accomplished by the conversion of (2) to its corresponding cyclic dianhydride. The synthesis of the diamine is accomplished by the similar reaction of an aryltrifluoromethyl ketone with aniline or aklyl substituted or disubstituted anilines. Also, other derivatives of the above are formed by nucleophilic displacement reactions.
Document ID
19900014181
Acquisition Source
Legacy CDMS
Document Type
Other - Patent
Authors
Alston, William B.
(NASA Lewis Research Center Cleveland, OH, United States)
Gratz, Roy F.
(Mary Washington Coll. Fredricksburg, VA., United States)
Date Acquired
August 14, 2013
Publication Date
December 5, 1989
Subject Category
Inorganic And Physical Chemistry
Report/Patent Number
Patent Application Number: US-PATENT-APPL-SN-924474
Patent Application Number: US-PATENT-APPL-SN-159071
Patent Number: US-PATENT-4,885,116
Patent Number: NASA-CASE-LEW-14345-2
Accession Number
90N23497
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
Patent
US-PATENT-4,885,116|NASA-CASE-LEW-14345-2
Patent Application
US-PATENT-APPL-SN-924474|US-PATENT-APPL-SN-159071
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