3-BROMO-5-SULFOBENZENE-1,2,4-TRICARBOXYLIC ACID
969
other polar organic solvents. IR spectrum, , cm 1:
700 (C=O in COOH), 1100 (S=O), 600 (C Br).
Electronic absorption spectrum, max, nm: 682.2
6. Maizlish, V.E., Mochalova, N.L., Snegireva, F.P.,
and Borodkin, V.F., Izv. Vyssh. Uchebn. Zaved. Khim.
Khim. Tekhnol., 1986, vol. 29, no. 1, p. 10.
1
(
DMF), 688.1 (1% NH OH), 684.3 (H O). Found,
4 2
7. The Chemistry of Synthetic Dyes, Venkataraman, K.,
Ed., New York, Academic, 1971, vol. 5. Translated
under the title Khimiya sinteticheskikh krasitelei,
Leningrad: Khimiya, 1977, vol. 5, p. 211.
%
: C 30.8; Br 24.8; Co 4.0; N 7.4; S 8.6. C H Br
36 12 4
CoN O S . Calculated, %: C 30.4; Br 25.3; Co 4.3;
8
20 4
N 7.9; S 9.0.
8
. Porfiriny: spektroskopiya, elektrohimiya, primenenie
Porphyrins: Spectroscopy, Electrochemistry, Applica-
ACKNOWLEDGMENTS
(
tion), Enikolopyan, N.S., Moscow: Nauka, 1987.
The work was financially supported by the Che-
mical Technologies Subprogram, Research in
Higher School in Priority Fields of Science and
Technics Program of the Ministry of Education of the
Russian Federation (project no. 203.03.02.005).
9
. Verle, D., Girt, A., Bogdan-Rait, T., Shnurpfail, G.,
and Shopova, M., Izv. Ross. Akad. Nauk, Ser. Khim.,
1
998, no. 5, p. 836.
1
1
0. Lutsenko, O.G., Kulinich, V.P., and Shaposhni-
kov, G.P., Izv. Vyssh. Uchebn. Zaved. Khim. Khim.
Tekhnol., 2003, vol. 46, no. 3, p. 107.
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