3,4-Dibromoaniline (cas: 615-55-4) belongs to organobromine compounds. A variety of minor organobromine compounds are found in nature, but none are biosynthesized or required by mammals. Organobromine compounds have fallen under increased scrutiny for their environmental impact. Many of the alkyl bromine derivatives are excellent alkylating agents since bromides are good leaving groups. Tribromides, like tetrabutylammonium tribromide, are used as a solid source of bromine. N-bromosuccimide (NBS) is used for the selective bromination of allylic bonds.Safety of 3,4-Dibromoaniline
Aminobenzothiazoles. XI. Synthesis of 5,4′-disubstituted 1-anilinobenzothiazoles from nuclear substituted thiocarbenilides was written by Dyson, George M.;Hunter, Robert F.;Soyka, Charles. And the article was included in Journal of the Chemical Society in 1929.Safety of 3,4-Dibromoaniline This article mentions the following:
(P-BrC6H4NH)2CS and Br in CHCl3 yield a perbromide, which, on heating, gives a hydropentabromide(I), C13H8N2Br2S.HBr.Br4, orange-red needles, m. 170闁?(decomposition) and rapidly loses Br on exposure to moist air suspended in H2SO3 and treated with SO2, there results 5,4′-dibromo-1-anilinobenzothiazole(II), m. 221闁? Ac derivative, m. 205-6闁? HBr salt, m. 250闁?(decomposition); Br gives I. 1-Chloro-5-bromobenzothiazole, m. 89闁? b13 157-9闁? results by heating p-BrC6H4NCS and PCl5 30-40 hrs. at 170-80闁?warming with p-BrC6H4NH2 gives II. p-BrC6H4NHCSNHPh and Br in CHCl3 give the hydrotribromide, m. 148闁?(decomposition), which is reduced to 4′-bromo-1-anilinobenzothiazole (III), m. 214-5闁? also obtained from 1-chlorobenzothiazole and p-BrC6H4NH2. Bromination of III gives II. 1-Anilinobenzothiazole yields a hexabromide, m. 140闁? which yields II on being dissolved in boiling absolute EtOH. Hugershoff’s dibromoanilinobenzothiazole (Ber. 36, 3121(1903)) appears to consist mainly of II, although the m. p. could not be raised above 200闁? Bromination of II gives an unstable orange hexabromide, m. 254闁? which gives with hot absolute EtOH a tetra-Br substitution derivative, m. 196-8闁? (p-ClC6H4NH)2CS and Br in CHCl3 yield a hydrotribromide, orange, m. 165-7闁?(decompm); reduction gives 5,4′-dichloro-1-aminobenzothiazole, m. 224闁? Ac derivative, m. 186-7闁? HBr salt. yellow, m. 217闁? hexabromide, orange, m. 263闁?(decomposition). p-ClC6H4NHCSNHPh yields a Br addition compound, orange, m. 130闁?(decomposition); 4′-chloro-1-anilinobenzothiazole, m. 196闁? this is also obtained from 1-chlorobenzothiazole and p-ClC6H4NH2. (p-IC6H4NH)2CS and Br in CHCl3 yield a red bromide, m. 185闁? and a yellow, m. 211闁? both, on reduction, yield 5,4′-diiodo-1-anilinobenzothiazole, m. 193闁?(decomposition); this also results by treating 1-anilinobenzothiazole in AcOH with ICl, warming the solution and diluting with H2O. (p-FC6H4NH)2CS gives a hydrotribromide, orange, m. 150-2闁?(decomposition); 5,4′-difluoro-1-anilinobenzothiazole, m. 227-8闁? 5,4′-Dinitro-1-anilinobenzothiazole, brilliant yellow, in. 280闁? this also results on nitration of 1-anilinobenzothiazole. (p-NCC6H4NH)2CS and Br give an addition product, golden, m. 159-60闁?(decomposition): 5,4′-dicyano-1-anilinobenzothiazole, m. 222闁? (p-EtO2CC6H4NH)2CS yields a hydropentabromide, orange, m. 110闁?(decompn); reduction gives Et 1-anilinobenzothiazole-5,4′-dicarboxylate, m. 190-2闁? hydrolysis gives the free acid, does not m. 290闁? (p-MeOC6H4NH)2CS yields a brick-red bromide, m. 137闁?(decomposition), reduced to a dibromo-5,4′-dimethoxy-1-anilinobenzothiazole, m. 240闁? PhNHCSNAcPh yields a hydrotribromide, orange, m. 167闁?(decomposition); the same compound is obtained from 1-acetanilinobenzothiazole, HBr and Br (Hugershoff, Ber. 36, 3136(1903)); Br in CHCl3 gives an orange hexa-Br addition compound, m. 163闁?(decomposition). In the experiment, the researchers used many compounds, for example, 3,4-Dibromoaniline (cas: 615-55-4Safety of 3,4-Dibromoaniline).
3,4-Dibromoaniline (cas: 615-55-4) belongs to organobromine compounds. A variety of minor organobromine compounds are found in nature, but none are biosynthesized or required by mammals. Organobromine compounds have fallen under increased scrutiny for their environmental impact. Many of the alkyl bromine derivatives are excellent alkylating agents since bromides are good leaving groups. Tribromides, like tetrabutylammonium tribromide, are used as a solid source of bromine. N-bromosuccimide (NBS) is used for the selective bromination of allylic bonds.Safety of 3,4-Dibromoaniline
Referemce:
Bromide – Wikipedia,
bromide – Wiktionary