PMR-Spektren einiger Alkoxy-9-chlor-6-nitroacridine |
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Authors: | Sorin Mager Ionel Hopârtean Dan Bini§or |
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Institution: | (1) Lehrstuhl für organische Chemie, Babe§-Bolyai Universität, Cluj-Napoca, Rumänien |
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Abstract: | The spectra of some 9-chloro-6-nitroacridines with methoxy substituents in position 1,4; 2,4; 3,4; 2,3; and ethoxy substituents in positions 1, 2, 3, were recorded. The influence of electron releasing alkoxy groups and electron withdrawing nitro groups on chemical shifts of protons in the 9-chloroacridinic cycle was discussed and PMR parameters were determined, comparatively with those of acridine and 9-chloroacridine. Good agreement between calculated and experimental values is observed. The spectrum of 9-chloro-1,2,3-triethoxyacridine shows for the four protons of the ringC. (H-5, H-6, H-7, H-8) anAMNX coupling pattern whose parameters were determined. |
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