Abstract
Condensation of 1,3-dimethyl-3a,9a-diphenyl-3,3a,9,9a-tetrahydroimidazo[4,5-e]-1,3-thiazolo[3,2-b]-1,2,4-triazine-2,7(1H,6H)-dione with isatins afforded 6-(2-oxo-1,2-dihydro-3H-indol-3-ylidene)-3,3a,9,9a-tetrahydro-1,3-dimethyl-3a,9a-diphenylimidazo-[4,5-e]thiazolo[3,2-b]-1,2,4-triazine-2,7(1H,6H)-diones; a new conglomerate (space group P212121) was found by an X-ray diffraction study.
References
1.
10.1016/j.mencom.2010.09.017_bib0005
Medvedev
Biologics: Targets & Therapy,
2007
2.
G. I. Zhungietu and M. A. Rekhter, Izatin i ego proizvodnye (Izatin and Its Derivatives), Shtiinza, Kishinev, 1977. (in Russian).
3.
Silva J.F., Garden S.J., Pinto A.C.
Journal of the Brazilian Chemical Society,
2001
4.
M. D. Mashkovskii, Lekarstvennye sredstva (Medicines), Novaya Volna, Moscow, 2005, vol. 1, pp. 1, 439, 562, 563; vol. 2, pp. 88, 230, 290, 299, 313, 335, 336. (in Russian).
5.
Vasilevskii S.V., Belyakov P.A., Gazieva G.A., Nelyubina Y.V., Kolotyrkina N.G., Kravchenko A.N.
Mendeleev Communications,
2010
6.
Vasilevskii S.V., Nelyubina Y.V., Kravchenko A.N.
Mendeleev Communications,
2009
7.
S. S. Novikov, L. I. Khmel’nitskii, O. V. Lebedev, L. V. Epishina, M. V. Povstyanoi, V. A. Eres’ko and A. F. Kulik, SU 765270, Otkrytiya, Izobret., Prom. Obraztsy, Tovarnye Znaki, 1980, 35, 144. (Chem. Abstr., 1981, 95, 7346n).
8.
Sheldrick G.M.
Acta Crystallographica Section A Foundations of Crystallography,
2007