Product Name

  • Name

    1,2-Dibromotetrachloroethane

  • EINECS 211-136-7
  • CAS No. 630-25-1
  • Article Data12
  • CAS DataBase
  • Density 2.438 g/cm3
  • Solubility Insoluble in water.
  • Melting Point 215-220 °C (dec.)(lit.)
  • Formula C2Br2Cl4
  • Boiling Point 219 °C at 760 mmHg
  • Molecular Weight 325.642
  • Flash Point 104.9 °C
  • Transport Information
  • Appearance colourless solid
  • Safety 26-37/39
  • Risk Codes 36/37/38
  • Molecular Structure Molecular Structure of 630-25-1 (1,2-Dibromotetrachloroethane)
  • Hazard Symbols IrritantXi
  • Synonyms 1,2-dibromo-1,1,2,2-tetrachloro-ethan;Dbtce;Ethane, 1,2-dibromo-1,1,2,2-tetrachloro-;Ethane, 1,2-dibromo-tetrachloro-;ethane,1,2-dibromo-1,1,2,2-tetrachloro-;sym-Dibromotetrachloroethane;1,1,2,2-TETRACHLORODIBROMOETHANE;1,2-DIBROMOTETRACHLOROETHANE
  • PSA 0.00000
  • LogP 4.03900

Synthetic route

1,1,2,2-tetrachloroethylene
127-18-4

1,1,2,2-tetrachloroethylene

1,2-dibromo-1,1,2,2-tetrachloroethane
630-25-1

1,2-dibromo-1,1,2,2-tetrachloroethane

Conditions
ConditionsYield
With bromine for 2h; Irradiation;94%
With bromine In dichloromethane for 72h; Heating;85%
With bromine photochemische Bildung;
With bromine Geschwindigkeit der Bildung;
pentachloroethane
76-01-7

pentachloroethane

1,2-dibromo-1,1,2,2-tetrachloroethane
630-25-1

1,2-dibromo-1,1,2,2-tetrachloroethane

Conditions
ConditionsYield
With aluminium trichloride; bromine at 70℃;
C2Cl4

C2Cl4

1,2-dibromo-1,1,2,2-tetrachloroethane
630-25-1

1,2-dibromo-1,1,2,2-tetrachloroethane

Conditions
ConditionsYield
With bromine im Sonnenlicht;
dibromodichloromethane
594-18-3

dibromodichloromethane

A

tetrachloromethane
56-23-5

tetrachloromethane

B

1,1,2,2-tetrachloroethylene
127-18-4

1,1,2,2-tetrachloroethylene

C

1,2-dibromo-1,1,2,2-tetrachloroethane
630-25-1

1,2-dibromo-1,1,2,2-tetrachloroethane

D

Bromotrichloromethane
75-62-7

Bromotrichloromethane

E

bromine
7726-95-6

bromine

Conditions
ConditionsYield
In neat (no solvent) Kinetics; other Radiation; γ-radiolysis at -196 and 131°C;;
[(bis(1-methylethyl)amino)carbonyl]ferrocene
169830-46-0

[(bis(1-methylethyl)amino)carbonyl]ferrocene

1,2-dibromo-1,1,2,2-tetrachloroethane
630-25-1

1,2-dibromo-1,1,2,2-tetrachloroethane

(pR)-2-bromo-(N,N-diisopropyl)ferrocenecarboxamide
937184-52-6

(pR)-2-bromo-(N,N-diisopropyl)ferrocenecarboxamide

Conditions
ConditionsYield
With (-)-sparteine; n-butyllithium In diethyl ether under Ar atm. to soln. (-)-sparteine in Et2O at -78°C n-BuLi was added over 30 min, stirred for 1.5 h, soln. BrCCl2CCl2Br in Et2O was added over 20 min, stirred for 1 h and allowed to warm to room temp.; react. mixt. was quenched with aq. NH4Cl, extd. with Et2O, washed with water and brine, dried, filtered, and evapd., chromy. on silica (hexane-EtOAc 9:1); elem. anal.;99%
1,2-dibromo-1,1,2,2-tetrachloroethane
630-25-1

1,2-dibromo-1,1,2,2-tetrachloroethane

bis[μ-[(η5-(S,Rp)-2-(4′-isopropyl-4′,5′-dihydro-2′-oxazolyl-κN)-3-methyl-cyclopentadienyl-κC)(η5-cyclopentadienyl)ferrocene]]digold(I)

bis[μ-[(η5-(S,Rp)-2-(4′-isopropyl-4′,5′-dihydro-2′-oxazolyl-κN)-3-methyl-cyclopentadienyl-κC)(η5-cyclopentadienyl)ferrocene]]digold(I)

dibromobis[μ-[(η5-(S,Rp)-2-(4′-isopropyl-4′,5′-dihydro-2′-oxazolyl-κN)-3-methyl-cyclopentadienyl-κC)(η5-cyclopentadienyl)ferrocene]]digold(II)

dibromobis[μ-[(η5-(S,Rp)-2-(4′-isopropyl-4′,5′-dihydro-2′-oxazolyl-κN)-3-methyl-cyclopentadienyl-κC)(η5-cyclopentadienyl)ferrocene]]digold(II)

Conditions
ConditionsYield
In dichloromethane at 20℃; for 0.5h; Inert atmosphere;98%
1,2-dibromo-1,1,2,2-tetrachloroethane
630-25-1

1,2-dibromo-1,1,2,2-tetrachloroethane

4,4',5,5'-tetrahydro-7,7'-spirobi[thieno[2,3-c]pyran]

4,4',5,5'-tetrahydro-7,7'-spirobi[thieno[2,3-c]pyran]

2-bromo-4,4',5,5'-tetrahydro-7,7'-spirobi[thieno[2,3-c]pyran]

2-bromo-4,4',5,5'-tetrahydro-7,7'-spirobi[thieno[2,3-c]pyran]

Conditions
ConditionsYield
Stage #1: 4,4',5,5'-tetrahydro-7,7'-spirobi[thieno[2,3-c]pyran] With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 1h; Schlenk technique; Inert atmosphere;
Stage #2: 1,2-dibromo-1,1,2,2-tetrachloroethane In tetrahydrofuran; hexane at -78 - 20℃; Schlenk technique; Inert atmosphere;
96%
N-(2-fluoro-5-pyridyl)cyclopropane carboxamide
112959-64-5

N-(2-fluoro-5-pyridyl)cyclopropane carboxamide

1,2-dibromo-1,1,2,2-tetrachloroethane
630-25-1

1,2-dibromo-1,1,2,2-tetrachloroethane

N-(2-fluoro-5-pyridyl)-cyclopropylmethanimidoyl bromide

N-(2-fluoro-5-pyridyl)-cyclopropylmethanimidoyl bromide

Conditions
ConditionsYield
With triethylamine; triphenylphosphine In 1,2-dichloro-ethane95%
ferrocene
102-54-5

ferrocene

1,2-dibromo-1,1,2,2-tetrachloroethane
630-25-1

1,2-dibromo-1,1,2,2-tetrachloroethane

bromoferrocene
1273-73-0

bromoferrocene

Conditions
ConditionsYield
With potassium tert-butoxide; t-butyl lithium In tetrahydrofuran; hexane Schlenk techniques used under N2 or Ar, THF soln. of FcH (10.8 mmol) andtBuOK(1.34 mmol) cooled to -78°C, after >15 min tBuLi soln.(21.6 mmol) dropwise added, stirred for 1.5 h at <-70°C, C2Cl4Br2 adde d, stirred for 30 min at -78°C; allowed to warm to room temp., quenched with H2O, extracted with CH2Cl2,organic layer washed with H2O, dried over MgSO4, solvent removed under vac., chromd. (neutral alumina, hexane); NMR;95%
Stage #1: ferrocene With potassium tert-butylate; tert.-butyl lithium In tetrahydrofuran at -78℃; for 2h; Inert atmosphere;
Stage #2: 1,2-dibromo-1,1,2,2-tetrachloroethane In tetrahydrofuran at -78℃; for 0.5h; Inert atmosphere;
88%
Stage #1: ferrocene With potassium tert-butylate; tert.-butyl lithium In tetrahydrofuran; hexane at -78℃; for 1.5h;
Stage #2: 1,2-dibromo-1,1,2,2-tetrachloroethane In tetrahydrofuran; hexane at -78℃; for 0.5h;
80%
1,2-dibromo-1,1,2,2-tetrachloroethane
630-25-1

1,2-dibromo-1,1,2,2-tetrachloroethane

4,4',5,5'-tetrahydro-7,7'-spirobi[thieno[2,3-c]pyran]

4,4',5,5'-tetrahydro-7,7'-spirobi[thieno[2,3-c]pyran]

2,2'-dibromo-4,4',5,5'-tetrahydro-7,7'-spirobi[thieno[2,3-c]pyran]

2,2'-dibromo-4,4',5,5'-tetrahydro-7,7'-spirobi[thieno[2,3-c]pyran]

Conditions
ConditionsYield
Stage #1: 4,4',5,5'-tetrahydro-7,7'-spirobi[thieno[2,3-c]pyran] With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 1h; Schlenk technique; Inert atmosphere;
Stage #2: 1,2-dibromo-1,1,2,2-tetrachloroethane In tetrahydrofuran; hexane at -78 - 20℃; Schlenk technique; Inert atmosphere;
95%
1,2-dibromo-1,1,2,2-tetrachloroethane
630-25-1

1,2-dibromo-1,1,2,2-tetrachloroethane

4,5-dibromonicotinic acid
1009334-28-4

4,5-dibromonicotinic acid

Conditions
ConditionsYield
Stage #1: 5-bromo-3-pyridinecarboxylic acid With lithium diisopropyl amide In tetrahydrofuran at -70 - -55℃; for 3.5h;
Stage #2: 1,2-dibromo-1,1,2,2-tetrachloroethane In tetrahydrofuran at -70 - -20℃; for 2.5h;
93%
1,2-dibromo-1,1,2,2-tetrachloroethane
630-25-1

1,2-dibromo-1,1,2,2-tetrachloroethane

trans-[FeC5H4CH(CH3)CH2CHN(CH3)2C5H4]

trans-[FeC5H4CH(CH3)CH2CHN(CH3)2C5H4]

Br(C5H3)Fe(C5H4)CH(CH3)CH2CH(N(CH3)2)

Br(C5H3)Fe(C5H4)CH(CH3)CH2CH(N(CH3)2)

Conditions
ConditionsYield
With tBuLi In diethyl ether tBuLi, Et2O, 0°C; Cl2BrC2BrCl2, Et2O, -78°C;93%
1,2-dibromo-1,1,2,2-tetrachloroethane
630-25-1

1,2-dibromo-1,1,2,2-tetrachloroethane

C14H20O3

C14H20O3

A

C14H19BrO3

C14H19BrO3

B

C14H18Br2O3

C14H18Br2O3

Conditions
ConditionsYield
Stage #1: C14H20O3 With lithium hexamethyldisilazane In tetrahydrofuran at -78℃; for 1h; Inert atmosphere;
Stage #2: 1,2-dibromo-1,1,2,2-tetrachloroethane In tetrahydrofuran at -55 - 20℃; for 0.75h; Inert atmosphere;
A 90%
B 1.7%
1,2-dibromo-1,1,2,2-tetrachloroethane
630-25-1

1,2-dibromo-1,1,2,2-tetrachloroethane

4,5-Diiodo-1-ethoxymethyl-2-methylimidazole
273408-63-2

4,5-Diiodo-1-ethoxymethyl-2-methylimidazole

5-bromo-1-(ethoxymethyl)-4-iodo-2-methyl-1H-imidazole
273408-64-3

5-bromo-1-(ethoxymethyl)-4-iodo-2-methyl-1H-imidazole

Conditions
ConditionsYield
Stage #1: 4,5-Diiodo-1-ethoxymethyl-2-methylimidazole With isopropylmagnesium bromide In tetrahydrofuran at -40℃; for 1.5h; Grignard reaction;
Stage #2: 1,2-dibromo-1,1,2,2-tetrachloroethane In tetrahydrofuran at -40 - 20℃; Substitution; Further stages.;
85%
1,2-dibromo-1,1,2,2-tetrachloroethane
630-25-1

1,2-dibromo-1,1,2,2-tetrachloroethane

3-(4-tert-butylphenyl)propan-1-ol
78574-08-0

3-(4-tert-butylphenyl)propan-1-ol

4-(3-bromopropyl)-1-(1,1-dimethylethyl)benzene
141499-24-3

4-(3-bromopropyl)-1-(1,1-dimethylethyl)benzene

Conditions
ConditionsYield
With triethylamine; triphenylphosphine In dichloromethane; 1,2-dichloro-ethane85%
6-chlorobenzo[b]thiophene
66490-20-8

6-chlorobenzo[b]thiophene

1,2-dibromo-1,1,2,2-tetrachloroethane
630-25-1

1,2-dibromo-1,1,2,2-tetrachloroethane

2-bromo-6-chlorobenzo[b]thiophene
1322718-91-1

2-bromo-6-chlorobenzo[b]thiophene

Conditions
ConditionsYield
Stage #1: 6-chlorobenzo[b]thiophene With (2-methylpropyl)lithium In diethyl ether; cyclohexane at -78℃; for 1.25h; Inert atmosphere;
Stage #2: 1,2-dibromo-1,1,2,2-tetrachloroethane In diethyl ether; cyclohexane at 20℃; for 16h;
85%
1,2-dibromo-1,1,2,2-tetrachloroethane
630-25-1

1,2-dibromo-1,1,2,2-tetrachloroethane

(R,R)-1,1'-bis(α-N,N-dimethylaminopropyl)ferrocene

(R,R)-1,1'-bis(α-N,N-dimethylaminopropyl)ferrocene

(R,R,pS,pS)-2,2'-bis(α-N,N-dimethylaminopropyl)-1,1'-dibromoferrocene

(R,R,pS,pS)-2,2'-bis(α-N,N-dimethylaminopropyl)-1,1'-dibromoferrocene

Conditions
ConditionsYield
With n-butyllithium In tetrahydrofuran; diethyl ether; hexane N2, to a soln. of Fe compd. (diethyl ether) added dropwise a soln. of Licompd. (hexane) (15 min, room temp.), after overnight cooled (acetone/d ry ice), a soln. of Br compd. (THF) added dropwise (15 min), warmed (room temp., 90 min), stirred for 1 h; quenched (satrd. Na2S2O3) at 0°C, diluted (diethyl ether), phasesseparated, extrd. (diethyl ether), org. phases dried (MgSO4), concd. (v ac.), chromy. (silica gel, ethylacetate/hexane); elem. anal.;84%
1,2-dibromo-1,1,2,2-tetrachloroethane
630-25-1

1,2-dibromo-1,1,2,2-tetrachloroethane

phenyl(thiophen-2-yl)(2,4,6-tri-tert-butylphenyl)borane

phenyl(thiophen-2-yl)(2,4,6-tri-tert-butylphenyl)borane

(5-bromothiophen-2-yl)(phenyl)(2,4,6-tri-tert-butylphenyl)-borane

(5-bromothiophen-2-yl)(phenyl)(2,4,6-tri-tert-butylphenyl)-borane

Conditions
ConditionsYield
Stage #1: phenyl(thiophen-2-yl)(2,4,6-tri-tert-butylphenyl)borane With lithium diisopropyl amide In tetrahydrofuran at -78℃; for 1.16667h;
Stage #2: 1,2-dibromo-1,1,2,2-tetrachloroethane In tetrahydrofuran at -78 - 20℃; for 2.08333h;
83%
2,4-Bis(methylthio)pyrimidine
5909-26-2

2,4-Bis(methylthio)pyrimidine

1,2-dibromo-1,1,2,2-tetrachloroethane
630-25-1

1,2-dibromo-1,1,2,2-tetrachloroethane

4-bromo-2,6-bis(methylthio)pyrimidine
1080662-17-4

4-bromo-2,6-bis(methylthio)pyrimidine

Conditions
ConditionsYield
Stage #1: 2,4-Bis(methylthio)pyrimidine With bis(2,2,6,6-tetramethylpiperidin-1-yl)magnesium-bis(lithium chloride) complex In tetrahydrofuran at -20℃; for 1h; Inert atmosphere;
Stage #2: 1,2-dibromo-1,1,2,2-tetrachloroethane In tetrahydrofuran at -20℃; for 1h; Inert atmosphere; regioselective reaction;
81%
1,2-dibromo-1,1,2,2-tetrachloroethane
630-25-1

1,2-dibromo-1,1,2,2-tetrachloroethane

C14H11NOS
1450818-55-9

C14H11NOS

3-bromo-2-phenyl-2,1-benzothiazine 2-oxide
1450818-65-1

3-bromo-2-phenyl-2,1-benzothiazine 2-oxide

Conditions
ConditionsYield
Stage #1: C14H11NOS With n-butyllithium In tetrahydrofuran at -78℃; for 0.166667h; Inert atmosphere;
Stage #2: 1,2-dibromo-1,1,2,2-tetrachloroethane In tetrahydrofuran Inert atmosphere;
81%
1,2-dibromo-1,1,2,2-tetrachloroethane
630-25-1

1,2-dibromo-1,1,2,2-tetrachloroethane

CFC-112a
76-12-0

CFC-112a

Conditions
ConditionsYield
With chlorine monofluoride In 1,1,2-Trichloro-1,2,2-trifluoroethane80%
ethyl 3-(N,N,N',N'-tetramethyldiamidophosphoryloxy)benzoate
501649-30-5

ethyl 3-(N,N,N',N'-tetramethyldiamidophosphoryloxy)benzoate

1,2-dibromo-1,1,2,2-tetrachloroethane
630-25-1

1,2-dibromo-1,1,2,2-tetrachloroethane

ethyl 3-{[bis(dimethylamino)phosphoryl]oxy}-4-bromobenzoate
1019334-15-6

ethyl 3-{[bis(dimethylamino)phosphoryl]oxy}-4-bromobenzoate

Conditions
ConditionsYield
Stage #1: ethyl 3-(N,N,N',N'-tetramethyldiamidophosphoryloxy)benzoate With bis(2,2,6,6-tetramethylpiperidin-1-yl)magnesium-bis(lithium chloride) complex at 0℃; for 1h;
Stage #2: 1,2-dibromo-1,1,2,2-tetrachloroethane
80%
1,2-dibromo-1,1,2,2-tetrachloroethane
630-25-1

1,2-dibromo-1,1,2,2-tetrachloroethane

naphtho[1,2-b:5,6-b′]dithiophene
217-19-6

naphtho[1,2-b:5,6-b′]dithiophene

2-bromonaphtho[1,2-b:5,6-b']dithiophene

2-bromonaphtho[1,2-b:5,6-b']dithiophene

Conditions
ConditionsYield
Stage #1: naphtho[1,2-b:5,6-b′]dithiophene With n-butyllithium In tetrahydrofuran; hexane at -70℃; for 1h; Inert atmosphere;
Stage #2: 1,2-dibromo-1,1,2,2-tetrachloroethane In tetrahydrofuran; hexane at 25℃; for 18h;
78%
n-butyllithium
109-72-8, 29786-93-4

n-butyllithium

(pyridine-2-yl)-1H-ferrocene

(pyridine-2-yl)-1H-ferrocene

1,2-dibromo-1,1,2,2-tetrachloroethane
630-25-1

1,2-dibromo-1,1,2,2-tetrachloroethane

A

1-bromo-2-(2-pyridyl)ferrocene
32913-77-2

1-bromo-2-(2-pyridyl)ferrocene

B

(C5H4Br)Fe(C5H3BrC5H4N)

(C5H4Br)Fe(C5H3BrC5H4N)

C

(C5H5)Fe(C5H3BrC5H3N(C4H9))

(C5H5)Fe(C5H3BrC5H3N(C4H9))

D

(C5H4Br)Fe(C5H3BrC5H3N(C4H9))

(C5H4Br)Fe(C5H3BrC5H3N(C4H9))

Conditions
ConditionsYield
In diethyl ether Ar; n-BuLi (5.3 mmol) added dropwise to Et2O soln. of Fe compd. (1.9 mmol), mixt. stirred for 1 h, cooled to -78°C, ligand (4.6 mmol) added, warmed, stirred for 3 h at room temp.; evapd., chromd. (Al2O3, hexane, hexane/CHCl3, CHCl3), recrystd. (hexane/Et2O), elem. anal.;A 77%
B n/a
C n/a
D n/a
1,2-dibromo-1,1,2,2-tetrachloroethane
630-25-1

1,2-dibromo-1,1,2,2-tetrachloroethane

3-iodophenyl N,N,N',N'-tetramethyldiamidophosphate
1019334-05-4

3-iodophenyl N,N,N',N'-tetramethyldiamidophosphate

2-bromo-5-iodophenyl N,N,N',N'-tetramethyldiamidophosphate
1019334-19-0

2-bromo-5-iodophenyl N,N,N',N'-tetramethyldiamidophosphate

Conditions
ConditionsYield
Stage #1: 3-iodophenyl N,N,N',N'-tetramethyldiamidophosphate With bis(2,2,6,6-tetramethylpiperidin-1-yl)magnesium-bis(lithium chloride) complex at 0℃; for 0.5h;
Stage #2: 1,2-dibromo-1,1,2,2-tetrachloroethane
76%
1,2-dibromo-1,1,2,2-tetrachloroethane
630-25-1

1,2-dibromo-1,1,2,2-tetrachloroethane

(R,R)-1,1’-bis(α-N,N-dimethylaminoethyl)ferrocene

(R,R)-1,1’-bis(α-N,N-dimethylaminoethyl)ferrocene

(R,R,Sp,Sp)-2,2’-bis(α-N,N-dimethylaminoethyl)-1,1’-dibromoferrocene

(R,R,Sp,Sp)-2,2’-bis(α-N,N-dimethylaminoethyl)-1,1’-dibromoferrocene

Conditions
ConditionsYield
Stage #1: (R,R)-1,1’-bis(α-N,N-dimethylaminoethyl)ferrocene With n-butyllithium In diethyl ether; hexane at -78 - 20℃; for 16.25h; Glovebox; Schlenk technique; Inert atmosphere;
Stage #2: 1,2-dibromo-1,1,2,2-tetrachloroethane In tetrahydrofuran; diethyl ether; hexane at 20℃; for 2.75h; Glovebox; Schlenk technique; Inert atmosphere; stereospecific reaction;
76%
1,2-dibromo-1,1,2,2-tetrachloroethane
630-25-1

1,2-dibromo-1,1,2,2-tetrachloroethane

Ethyl 2-bromopropionate
535-11-5, 41978-69-2

Ethyl 2-bromopropionate

ethyl 2,2-dibromopropanoate
34757-17-0

ethyl 2,2-dibromopropanoate

Conditions
ConditionsYield
Stage #1: Ethyl 2-bromopropionate With lithium diisopropyl amide In tetrahydrofuran; hexane at -71℃; for 0.866667h; Inert atmosphere;
Stage #2: 1,2-dibromo-1,1,2,2-tetrachloroethane In tetrahydrofuran; hexane at -71℃; for 0.666667h; Inert atmosphere;
75%
bis(η5-cyclopentadienyl)ruthenium
1287-13-4

bis(η5-cyclopentadienyl)ruthenium

1,2-dibromo-1,1,2,2-tetrachloroethane
630-25-1

1,2-dibromo-1,1,2,2-tetrachloroethane

1,1’‑dibromoruthencene
101178-14-7

1,1’‑dibromoruthencene

Conditions
ConditionsYield
Stage #1: bis(η5-cyclopentadienyl)ruthenium With n-butyllithium; N,N,N',N'',N'''-pentamethyldiethylenetriamine In hexane at 20℃; for 24h;
Stage #2: 1,2-dibromo-1,1,2,2-tetrachloroethane In hexane at -78 - 20℃;
72%
(4,4'-di-tert-butyl-2,2'-bipyridine)dimethylplatinum(II)

(4,4'-di-tert-butyl-2,2'-bipyridine)dimethylplatinum(II)

1,2-dibromo-1,1,2,2-tetrachloroethane
630-25-1

1,2-dibromo-1,1,2,2-tetrachloroethane

dichloro(4,4'-di-tert-butyl-2,2'-bipyridine)platinum(II)
138736-35-3

dichloro(4,4'-di-tert-butyl-2,2'-bipyridine)platinum(II)

[PtClBrMe2(4,4'-di-tert-butyl-2,2'-bipyridine)]
1209486-48-5

[PtClBrMe2(4,4'-di-tert-butyl-2,2'-bipyridine)]

Conditions
ConditionsYield
In acetone to soln. of complex PtMe2(4,4'-di-tert-butyl-2,2'-bipyridine) in acetoneadded (CBrCl2)2 (mol ratio 2:1); ppt. filtered off and crystd. from aceton/pentane; compds. sepd. by crystn.; detn. by NMR;A n/a
B 70%
1,2-dibromo-1,1,2,2-tetrachloroethane
630-25-1

1,2-dibromo-1,1,2,2-tetrachloroethane

naphtho[1,2-b:5,6-b′]dithiophene
217-19-6

naphtho[1,2-b:5,6-b′]dithiophene

2,7-dibromonaphtho[1,2-b:5,6-b']dithiophene
1227743-73-8

2,7-dibromonaphtho[1,2-b:5,6-b']dithiophene

Conditions
ConditionsYield
Stage #1: naphtho[1,2-b:5,6-b′]dithiophene With n-butyllithium In tetrahydrofuran; hexane at -70℃; for 1h; Inert atmosphere;
Stage #2: 1,2-dibromo-1,1,2,2-tetrachloroethane In tetrahydrofuran; hexane at 25℃; for 18h;
63%
1,2-dibromo-1,1,2,2-tetrachloroethane
630-25-1

1,2-dibromo-1,1,2,2-tetrachloroethane

tert-butyl 3,3-dimethyl-3,4-dihydrobenzo[e][1,3]azasiline-1(2H)-carboxylate
1370735-26-4

tert-butyl 3,3-dimethyl-3,4-dihydrobenzo[e][1,3]azasiline-1(2H)-carboxylate

tert-butyl 2-hydroxy-3,3-dimethyl-3,4-dihydrobenzo[e][1,3]azasiline-1(2H)-carboxylate

tert-butyl 2-hydroxy-3,3-dimethyl-3,4-dihydrobenzo[e][1,3]azasiline-1(2H)-carboxylate

Conditions
ConditionsYield
Stage #1: tert-butyl 3,3-dimethyl-3,4-dihydrobenzo[e][1,3]azasiline-1(2H)-carboxylate With sec.-butyllithium In tetrahydrofuran; cyclohexane at -78 - -68℃; for 0.75h; Inert atmosphere;
Stage #2: 1,2-dibromo-1,1,2,2-tetrachloroethane In tetrahydrofuran; cyclohexane at -78 - -20℃; for 1h;
63%
1,2-dibromo-1,1,2,2-tetrachloroethane
630-25-1

1,2-dibromo-1,1,2,2-tetrachloroethane

Phenylselenyl bromide
34837-55-3

Phenylselenyl bromide

tert-butyl 2-(((tert-butyldimethylsilyl)oxy)methyl)-5-oxopyrrolidine-1-carboxylate
185303-76-8

tert-butyl 2-(((tert-butyldimethylsilyl)oxy)methyl)-5-oxopyrrolidine-1-carboxylate

(5R)-3-Bromo-5-(tert-butyl-dimethylsilanyloxymethyl)-2-oxo-2,5-dihydropyrrole-1-carboxylic acid tert-butyl ester

(5R)-3-Bromo-5-(tert-butyl-dimethylsilanyloxymethyl)-2-oxo-2,5-dihydropyrrole-1-carboxylic acid tert-butyl ester

Conditions
ConditionsYield
With ammonium chloride; dihydrogen peroxide; lithium hexamethyldisilazane In tetrahydrofuran; diethyl ether; dichloromethane; water59%
2-(tert-butyl-dimethyl-silanyloxymethyl)-5-oxo-pyrrolidine-1-carboxylic acid tert-butyl ester

2-(tert-butyl-dimethyl-silanyloxymethyl)-5-oxo-pyrrolidine-1-carboxylic acid tert-butyl ester

1,2-dibromo-1,1,2,2-tetrachloroethane
630-25-1

1,2-dibromo-1,1,2,2-tetrachloroethane

Phenylselenyl bromide
34837-55-3

Phenylselenyl bromide

(5R)-3-Bromo-5-(tert-butyl-dimethylsilanyloxymethyl)-2-oxo-2,5-dihydropyrrole-1-carboxylic acid tert-butyl ester

(5R)-3-Bromo-5-(tert-butyl-dimethylsilanyloxymethyl)-2-oxo-2,5-dihydropyrrole-1-carboxylic acid tert-butyl ester

Conditions
ConditionsYield
With ammonium chloride; dihydrogen peroxide; lithium hexamethyldisilazane In tetrahydrofuran; diethyl ether; dichloromethane; water59%

1,2-Dibromotetrachloroethane Specification

The Ethane,1,2-dibromo-1,1,2,2-tetrachloro-, belongs to the following product categories: (1)Ethanes/ethenes; (2)Bromination; (3)Halogenation; (4)Synthetic Organic Chemistry; (5)Alkyl; (6)Halogenated Hydrocarbons; (7)Organic Building Blocks. It has the systematic name of 1,2-dibromo-1,1,2,2-tetrachloroethane. And this chemical is a kind of colourless solid.

Physical properties of Ethane,1,2-dibromo-1,1,2,2-tetrachloro-: (1)ACD/LogP: 5.39; (2)# of Rule of 5 Violations: 1; (3)ACD/LogD (pH 5.5): 5.38; (4)ACD/LogD (pH 7.4): 5.38; (5)ACD/BCF (pH 5.5): 7285.56; (6)ACD/BCF (pH 7.4): 7285.56; (7)ACD/KOC (pH 5.5): 20246.13; (8)ACD/KOC (pH 7.4): 20246.13; (9)#H bond acceptors: 0; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 1; (12)Polar Surface Area: 0 Å2; (13)Index of Refraction: 1.606; (14)Molar Refractivity: 46.1 cm3; (15)Molar Volume: 133.5 cm3; (16)Polarizability: 18.27×10-24cm3; (17)Surface Tension: 52.7 dyne/cm; (18)Enthalpy of Vaporization: 43.68 kJ/mol; (19)Vapour Pressure: 0.18 mmHg at 25°C.

Uses of Ethane,1,2-dibromo-1,1,2,2-tetrachloro-: it can be used to produce 1,1,2,2-tetrachloro-1,2-difluoro-ethane. This reaction will need reagent ClF and solvent 1,1,2-trichloro-1,2,2-trifluoro-ethane. The yield is about 80%.

You can still convert the following datas into molecular structure:
(1)SMILES: BrC(Cl)(Cl)C(Br)(Cl)Cl
(2)InChI: InChI=1/C2Br2Cl4/c3-1(5,6)2(4,7)8
(3)InChIKey: WJUKOGPNGRUXMG-UHFFFAOYAQ
(4)Std. InChI: InChI=1S/C2Br2Cl4/c3-1(5,6)2(4,7)8
(5)Std. InChIKey: WJUKOGPNGRUXMG-UHFFFAOYSA-N

The toxicity data is as follows:

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
rat LD oral > 500mg/kg (500mg/kg)   National Academy of Sciences, National Research Council, Chemical-Biological Coordination Center, Review. Vol. 5, Pg. 18, 1953.

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