Abstract
The solid state phase behavior of hydroquinone 1 with bis-( N,N-diethyl)bicyclo[2.2.2]octane-1,4-dicarboxamide ( 4 ) and with bis-( N, N-dimethyl)bicyclo[2.2.2]octane-1,4-dicarboxamide ( 5 ) has been investigated. A 1:1 complex, 6 , exists with hydroquinone and the diethyl derivative 4 . A 1:2 complex, 7 , and a 2:1 complex, 8 , is formed with hydroquinone and the dimethyl derivative, 5 . X-ray structure determinations of these cocrystals have been performed and the role of the alkyl side chains in the crystal packing is discussed.
Published Version
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