With dipolarophiles the azomethine imines ( I ) give azapyrrolizidines in very good yields, inter alia, dimethyl 1.5.6.7tetrahydro-1,l-dimethyl-5 -oxopyrazolo [1,2-a]pyrazole-6,7dicarboxylate (5) [m.p. 138-139 "C] and perhydro-3,3-di- methyl-2-phenylpyrazolo[1,2-a]-[1,2,4]-triazole-1.7-dione ( 6 )
der GefaiRe bzw. der Gallenblase und -wege, z. B. N-Methyl-glucamin-Salz des 5-Acetylamino-2.4.6-trijod-isophthalsaure-monomethylamids (Conray@)6a), der 3.5-Diacetylamino-(Urografin@@b) und der 3-Acetylaminomethyl-5-acetylamino-2.4.6-trijod-benzoesaure (Uromiro:@)6c) bzw. des Adipinsaure-(Biligrafin@) oder Diglykolsaure-bis-[3-carboxy-2.4.6-trijodanilids] (Bilivistanc@)7).
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