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Dichlorodifluoromethane;CFC-12;Chlorofluorocarbon 12,cas:75-71-8 from fandachem Application:fine chemical Transportation:by air, by sea, by express Port:Shanghai, China
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high purity Application:Drug intermediates Materials intermediates and active molecules
Conditions | Yield |
---|---|
With ClSO3F for 3h; Ambient temperature; | 85% |
1,3-dichloro-1,1,3,3-tetrafluoro-propan-2-one
A
Dichlorodifluoromethane
B
chlorodifluoroacetyl fluoride
C
C3Cl3F5O
Conditions | Yield |
---|---|
With chlorine monofluoride; cesium fluoride 1.) -140 degC to -65 degC over 6 h, 2.) -65 degC, 4 h; | A n/a B n/a C 80% |
difluoro-methylene
A
chlorotrifluoromethane
B
Dichlorodifluoromethane
C
trichlorofluoromethane
Conditions | Yield |
---|---|
With chlorine | A 20% B 70% C 10% |
With Cl2 | A 20% B 70% C 10% |
phosgene
hydrogen fluoride
chlorine
A
carbon tetrafluoride
B
chlorotrifluoromethane
C
Dichlorodifluoromethane
Conditions | Yield |
---|---|
With catalyst : charcoal heating in autoclave, 425°C, 17 h, charcoal impregnated with FeCl3; | A 4% B 57% C 14% |
antimony dichloride trifluoride
difluorochloro nitromethane
A
chlorotrifluoromethane
B
Dichlorodifluoromethane
Conditions | Yield |
---|---|
at 100°C 6 h; | A 53% B 8% |
at 100°C 6 h; | A 53% B 8% |
phosgene
hydrogen fluoride
chlorine
A
tetrachloromethane
B
chlorotrifluoromethane
C
Dichlorodifluoromethane
D
trichlorofluoromethane
Conditions | Yield |
---|---|
With catalyst : charcoal heating in autoclave, 350°C, 6 h, charcoal impregnated with FeCl3; | A 7% B 13% C 47% D 7% |
methane
Dichlorodifluoromethane
Conditions | Yield |
---|---|
With chromium fluoride; hydrogen fluoride; chlorine; pyrographite at 275 - 340℃; | |
With calcium fluoride; sulfur trioxide; calcium chloride at 350 - 400℃; |
Conditions | Yield |
---|---|
With chlorine at 350℃; |
Conditions | Yield |
---|---|
With antimonypentachloride; antimony(III) fluoride Einw. von Chlor auf das entstandene Methylenfluorid; |
Conditions | Yield |
---|---|
With hydrogen fluoride; lithium fluoride at -2℃; Electrolysis; |
Conditions | Yield |
---|---|
With chlorine at 750 - 950℃; |
Conditions | Yield |
---|---|
With chlorine |
Conditions | Yield |
---|---|
at 440 - 745℃; under 400 Torr; |
Conditions | Yield |
---|---|
With aluminium trichloride | |
With aluminum tri-bromide | |
With hydrogen fluoride; antimonypentachloride; chlorine at 75℃; Kinetics; Further Variations:; Temperatures; time; |
Conditions | Yield |
---|---|
With chlorine at 800℃; |
1,2-dichloro-1,1,2,2-tetrafluoroethane
A
polytetrafluoroethylene
B
trifluoromethan
C
Dichlorodifluoromethane
Conditions | Yield |
---|---|
at 880℃; |
tetrachloromethane
A
chlorotrifluoromethane
B
Dichlorodifluoromethane
C
trichlorofluoromethane
Conditions | Yield |
---|---|
With chlorine pentafluoride at 0℃; for 1.5h; Product distribution; |
Conditions | Yield |
---|---|
With chlorine Irradiation; |
dichloromethane
A
Difluoromethane
B
R32
C
Chlorodifluoromethane
D
Dichlorofluoromethane
E
Dichlorodifluoromethane
F
trichlorofluoromethane
Conditions | Yield |
---|---|
With xenon difluoride for 48h; Ambient temperature; other halogenocarbons; var. reaction time; |
chlorotrifluoromethane
A
tetrachloromethane
B
carbon tetrafluoride
C
Dichlorodifluoromethane
D
trichlorofluoromethane
Conditions | Yield |
---|---|
ruby at 450℃; for 3h; Yield given; |
Conditions | Yield |
---|---|
aluminum oxide; chromium(III) oxide at 400℃; Product distribution; further catalysts, further temp.; |
Conditions | Yield |
---|---|
With antimonypentachloride In neat (no solvent) reaction on heating for 3 hours to 160°C;; | 99.5% |
In neat (no solvent) fluorination in presence of catalyst at higher temp.;; | |
In neat (no solvent) fluorination in presence of catalyst at higher temp.;; |
Dichlorodifluoromethane
N,N-Bis(trifluoromethyl)amine
1,1-dibromotrifluoro-2-azapropene
Conditions | Yield |
---|---|
With boron tribromide at 100℃; for 16h; | 93% |
Dichlorodifluoromethane
Conditions | Yield |
---|---|
In water at 20℃; | 90% |
Conditions | Yield |
---|---|
In various solvent(s) for 24h; Ambient temperature; | 88% |
Dichlorodifluoromethane
2,3-dihydroxybenzaldehyde
2,2-difluoro-1,3-benzodioxol-4-yl-carbaldehyde
Conditions | Yield |
---|---|
With dimethyl sulfoxide In water at 60℃; for 5h; Solvent; Temperature; | 88% |
With sodium hydroxide In acetone at -35 - 80℃; for 15h; Solvent; Reagent/catalyst; Temperature; Sealed tube; | 85.6% |
Conditions | Yield |
---|---|
With sodium dithionite; sodium hydrogencarbonate In dimethyl sulfoxide at 90℃; for 10h; | 86% |
Conditions | Yield |
---|---|
With hydrogen fluoride at 375℃; | 83.5% |
bei der Einw. einer Hochspannungs-Entladung; | |
With chromium fluoride; hydrogen fluoride | |
With iron(III) trifluoride; hydrogen fluoride |
chlorine fluorosulfate
Dichlorodifluoromethane
fluorosulfonyl anhydride
Conditions | Yield |
---|---|
With SbF5 In fluorosulphonic acid byproducts: CF2O; bubbling CF2Cl2 through a mixt. of ClOSO2F, SbF5, and HSO3F, <=40°C, 2 h; | 81.5% |
Dichlorodifluoromethane
tris-iso-propylsilyl acetylene
1-(triisopropylsilyl)-3-chloro-3-fluoropropyne
Conditions | Yield |
---|---|
Stage #1: tris-iso-propylsilyl acetylene With n-butyllithium In tetrahydrofuran; hexane at 20℃; for 0.5h; Stage #2: Dichlorodifluoromethane In tetrahydrofuran; hexane at 0℃; for 1h; Further stages.; | 76% |
Dichlorodifluoromethane
A
chlorodifluoromethyl cation
C
fluorodichloromethyl(1+)
Conditions | Yield |
---|---|
In gaseous matrix Kinetics; the reactant and product ions are sampled; monitored by MAS; | A 31% B n/a C 69% |
Dichlorodifluoromethane
potassium thiophenolate
A
<(chlorodifluoromethyl)thio>benzene
B
difluoromethyl phenyl sulfide
C
difluorobis(phenylthio)methane
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide under 1520 Torr; Ambient temperature; | A 62% B 8% C 7% |
In N,N-dimethyl-formamide under 2052 Torr; for 4h; | A 62% B 8% C 7% |
Isopropylbenzene
Dichlorodifluoromethane
A
cumenyl chloride
B
(3-Chloro-3,3-difluoro-1-methylene-propyl)-benzene
C
(2-Chloro-2,2-difluoro-1,1-dimethyl-ethyl)-benzene
D
isopropenylbenzene
Conditions | Yield |
---|---|
at 200 - 250℃; Further byproducts given; | A 8 % Chromat. B 10 % Chromat. C 60% D 10 % Chromat. |
at 200 - 250℃; Further byproducts given; | A 8 % Chromat. B 10 % Chromat. C 60% D 11 % Chromat. |
Dichlorodifluoromethane
L-Homocysteine monosodium salt
L-difluoromethionine
Conditions | Yield |
---|---|
With potassium tert-butylate In ethanol | 56% |
Dichlorodifluoromethane
3-(4-bromophenyl)propanal
1-bromo-4-(4,4-difluorobut-3-en-1-yl)benzene
Conditions | Yield |
---|---|
Stage #1: Dichlorodifluoromethane With triphenylphosphine In N,N-dimethyl-formamide at 20℃; for 0.666667h; Inert atmosphere; Heating; Stage #2: 3-(4-bromophenyl)propanal With zinc In N,N-dimethyl-formamide for 2h; Heating; | 54% |
Dichlorodifluoromethane
potassium p-tolylthiolate
A
<(difluoromethyl)thio>-4-methylbenzene
B
<(chlorodifluoromethyl)thio>-4-methylbenzene
C
difluorodi(4-methylthiophenoxy)methane
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide under 1520 Torr; Ambient temperature; | A 8% B 44% C 6% |
In N,N-dimethyl-formamide under 2052 Torr; for 4h; | A 8% B 44% C 6% |
Dichlorodifluoromethane
sodium diethyl phosphite
Tetraethyl difluoromethylenediphosphonate
Conditions | Yield |
---|---|
In toluene at -15℃; | 37% |
norborn-2-ene
Dichlorodifluoromethane
2-chlorobicyclo[2.2.1]heptane
(1R,4S)-2-(Chloro-difluoro-methyl)-bicyclo[2.2.1]heptane
(1S,4R)-2-Chloro-3-(chloro-difluoro-methyl)-bicyclo[2.2.1]heptane
Conditions | Yield |
---|---|
at 200 - 250℃; | A 21% B 27% C 13 % Chromat. |
Dichlorodifluoromethane
thiophenol
A
<(chlorodifluoromethyl)thio>benzene
B
difluoromethyl phenyl sulfide
C
difluorobis(phenylthio)methane
Conditions | Yield |
---|---|
With sodium hydride 1.) DMF; 2.) irradiation, -40 deg C, 2h; Yield given. Multistep reaction; | A n/a B 6% C 22% |
With sodium hydride 1.) DMF; 2.) irradiation, -40 deg C, 2h; Yield given. Multistep reaction; | A 6% B n/a C 22% |
With sodium hydride 1.) DMF; 2.) irradiation, -40 deg C, 2h; Yield given. Multistep reaction; | A 6% B 6% C n/a |
Conditions | Yield |
---|---|
In neat (no solvent) equilibrium over catalyst; equilibrium constant at 290-540°C;; | A n/a B 22% |
Dichlorodifluoromethane
B
magnesium divanadate (V)
C
carbon dioxide
D
vanadium(V) oxychloride
Conditions | Yield |
---|---|
In neat (no solvent) using a fixed-bed flow reactor system at atmospheric pressure; placing of of Mg3(VO4)2 in quartz reactor; heating at 723 K under 1% CCl2F2/He atmosphere with total flow rate of 30 ml/min for 5 h; monitoring by XRD and GC-TCD; | A n/a B 1% C n/a D n/a |
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