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Dipole moments of 9-alkylcarbazoles 3-substituted with double-bonded groups

H. Frej, Z. Daszkiewicz, and J.B. Kyziol

Instytut Chemii, Wyisza Szkola Pedagogiczna, PL-42200 Czestochowa

 

Abstract: Syntheses of 9-alkyl-3-phenylazocarbazole and its analogues containing azomethine and ethylene bridges were described. The dipóle moments of these compounds were measured in benzene solutions and compared with those of 9,9'-diethyl-3,3'-azocarbazole and 9-methyl-3-carbazolylazonitrile. Explanations of very high dipóle moment of the azocarbazole and the ease of the thermal transition of its cis to trans isomer are proposed.

Full paper in Portable Document Format: 442a191.pdf

 

Chemical Papers 44 (2) 191–199 (1990)

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