Propanal 2.3- dibromo

Synonyms Acrolein dibromide Dibromopropanal Dibromopropionaldehyde Propanal, 2,3-dibromo- Propionaldehyde, 2,3-dibromo-... 

Propanal, 2,3-dibromo-. See 2,3-Dibromopropionaldehyde Propanal, 2-methyl-2-(methylthio)-, O-((methylamino) carbonyl) oxime. See Aldicarb Propanal, 2-methyl-2-(methylthio)-, oxime. See Aldicarb oxime... 

To enhance flame retardancy without use of additives, 2,2-bis-(3,5-dibromo-4-hydroxyphenyl)propane (tetrabromobis-phenol A) has been used in copolymers with bis-phenol A. 

Geminal (Section 19.5) Referring to two groups attached to the same carbon atom. For example, 1,1-dibromo-propane is a geminal dibromide. 

Potassium 4-chloro-3,5-dinitrobenzene-sulfonate, 31, 46 Potassium cyanate, 31, 9 Potassium cyanide, 30,84 32,31,63 37,47 Potassium ethyl malonate, 37, 34 Potassium ethyl xanthate, 30, 56 Potassium fluoride, 36, 40 Potassium iodide, 30, 34 31, 31, 66 Potassium metal, 37, 29, 30 Potassium methyl sulfate, 31, 73 Potassium nitrate, 31, 46 Potassium 1-nitropropylnitronate, 37, 24 Potassium oxalate, 34, 83 Potassium permanganate, 30, 87 31, 59 Potassium sulfide, 32, 103 Potassium thiobenzoate, 32, 101 Potassium thiocyanate, 32, 39, 40 Prins reaction, 33, 72 Propane, 1, 3-dibromo-2, 2-Ws-(bromo-methyl)-, 31, 82... 

The synthesis of [1.1.1]propellane from 1 is essentially as reported by Michl and co-workers,10 with only a slight modification in the process of transferring the crude propellane solution. As a result of the submitters improvements in the preparation of 3-chloro-2-(chloromethy)propene4 and 1,1-dibromo-2,2-bis(chloromethyl)cyclO propane, many of the difficulties in the Szeimies route to [1.1,1]propellane have been eliminated. 

Teramoto S, Saito R, Aoyama H, et al. 1980. Dominant lethal mutation induced in male rats by 1 2 Dibromo-3-chloro propane (DBCP). Mutat Res 77 71-78. 

Soil. Biodegradation is not expected to be significant in removing l,2-dibromo-3-chloro-propane. In aerobic soil columns, no degradation was observed after 25 d (Wilson et ah, 1981). The reported half-life in soil is 6 months (Jury et ah, 1987). 

Propanol, see Allyl alcohol, l,2-Dibromo-3-chloropropane, Propane, Propyl acetate... 

Problem 4.31 Derive the structural formulas and give the lUPAC names for all dibromo derivatives of propane. 

Problem 15.62 Convert cinnamaldehyde, C H,—CH=CH—CH=0, to 1-phenyl-l,2-dibromo-3-chloro-propane, C H CHBrCHBrCH Cl. ... 

NAME 1.3 -Dibromo-2-(bromomethyl)-propane STRUCTURAL FORMULA... 

McKee, R.H., Phillips, R.D. Traul, K.A. (1987) The genetic toxicity of l,2-dibromo-3-chloro-propane, l,2-dibromo-3-chloro-2-methylpropane, and L2.3-tribromo-2-methylpropane. Cell Biol. Toxicol.. 3, 391-406... 

Miller, G.E., Brabec, M.J. Kulkarni, A.P. (1986) Mutagen activation of l,2-dibromo-3-chloro-propane by cytosolic glutathione Y-transferases and microsomal enzymes. J. Toxicol, environ. Health, 19, 503-518... 

Omichinski, J.G., Brunborg, G, Holme, J.A., Soderlund, E.J., Nelson, S.D. Dybing, E. (1988) The role of oxidative and conjugative pathways in the activation of l,2-dibromo-3-chloro-propane to DNA-damaging products in rat testicular cells. Mol. Pharmacol., 34, 74-79... 

An interesting rearrangement of thioureas leading to tetrahydro-1,3-thiazines has been reported by Tisler,297,298 who found that 1-trimethylene-3-aryl-2-thioureas undergo facile conversion to 150 in concentrated HC1. The same products (150) could also be prepared by treating the appropriately substituted thiourea with 1,3-dibromo-propane.298... 

Trimethyl-3,4,6,7,8,9-hexahydro-2//-pyrido[2,l-h][l,3]oxazonium salt was prepared in the reaction of lithio salt (173) and 1,3-dibromo-propane inTHF at room temperature (73JOC36). 

Reactions of 3-hydroxy-6-methyl-2(lfl)-pyridinethione with 1,3-dibromo-propanes in methanol in the presence of sodium methylate yielded betaines (205) (70ACS2949). 9-Hydroxy-3,4-dihydro-2f/-pyrido[2,l-6][1,3]-thiazinium bromide was obtained in the reaction of 3-hydroxypyridine-2(lH)-thione and l-bromo-3-chloropropane in boiling toluene [81JCR(S)208]. 

Tetrahydro[l,3]thiazino[2,3-a]isoquinolin-6-ones (215) were prepared in the reactions of 3-hydroxy-1-mercaptoisoquinoline with 1,3-dibromo-propane and l,3-dibromopropan-2-ol in methanolic sodium methylate at 50°C (72ACS1620). 

Propane 1.2-Dibromo-l.l-difluoro-2-methyl- ElOb, 195 (COOH -CF.Br)... 

Propane l.2-Dibromo-1-methoxy-tctralluoro-2-trilliioromethyl-ElOa. 48 (Toxicity)... 

Propane 1 A-Bis-Jbis-jtrifluorome-thylj-amino -dibromo-El()b2, 99 (Educl)... 

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