polytetrafluoroethylene
dimethyl amine
1,1,2,2-tetrafluoro-N,N-dimethylethan-1-amine
Conditions | Yield |
---|---|
at 20℃; for 12h; | 98% |
at -70℃; |
Difluoroacetic acid N,N-dimethylamide
1,1,2,2-tetrafluoro-N,N-dimethylethan-1-amine
Conditions | Yield |
---|---|
With Carbonyl fluoride at 20 - 25℃; for 16h; Neat (no solvent); | 85% |
1,1,2,2-tetrafluoro-N,N-dimethylethan-1-amine
ethyl 3-(dimethylamino)acrylate
N-[(2E)-1-(difluoromethyl)-3-(dimethylamino)-2-(ethoxycarbonyl)prop-2-en-1-ylidene]-N-methylmethanaminium tetrafluoroborate
Conditions | Yield |
---|---|
Stage #1: 1,1,2,2-tetrafluoro-N,N-dimethylethan-1-amine With boron trifluoride diethyl etherate In dichloromethane at 20℃; for 0.5h; Inert atmosphere; Stage #2: ethyl 3-(dimethylamino)acrylate In dichloromethane at 20℃; for 2h; Product distribution / selectivity; Inert atmosphere; | 100% |
1,1,2,2-tetrafluoro-N,N-dimethylethan-1-amine
methyl 3-methoxyprop-2-enoate
N-[(2E)-1-(difluoromethyl)-3-methoxy-2-(methoxycarbonyl)prop-2-en-1-ylidene]-N-methyl-methanaminium tetrafluoroborate
Conditions | Yield |
---|---|
Stage #1: 1,1,2,2-tetrafluoro-N,N-dimethylethan-1-amine With boron trifluoride diethyl etherate In dichloromethane at 20℃; for 0.5h; Inert atmosphere; Stage #2: methyl 3-methoxyprop-2-enoate In dichloromethane at 20℃; for 2h; Inert atmosphere; | 100% |
1,1,2,2-tetrafluoro-N,N-dimethylethan-1-amine
A
Difluoroacetic acid N,N-dimethylamide
Conditions | Yield |
---|---|
Stage #1: 1,1,2,2-tetrafluoro-N,N-dimethylethan-1-amine; difluoromethyl lactate at 10 - 80℃; for 2h; Stage #2: With N-pyrazolyl-N-cyclohexyl-N-ethylamine at 0℃; | A n/a B 98.95% |
methyl lactate
1,1,2,2-tetrafluoro-N,N-dimethylethan-1-amine
A
methyl 2-fluoropropanoate
B
Difluoroacetic acid N,N-dimethylamide
Conditions | Yield |
---|---|
Stage #1: methyl lactate; 1,1,2,2-tetrafluoro-N,N-dimethylethan-1-amine at 10 - 40℃; for 5h; Stage #2: With triethylamine at 0℃; | A 98.92% B n/a |
1,1,2,2-tetrafluoro-N,N-dimethylethan-1-amine
A
Difluoroacetic acid N,N-dimethylamide
Conditions | Yield |
---|---|
Stage #1: 1,1,2,2-tetrafluoro-N,N-dimethylethan-1-amine; trifluoroethyl lactate at 10 - 100℃; for 1h; Stage #2: With N-piperidin-1-yl-N-pyrid-1-yl-N-ethylamine at 0℃; | A n/a B 98.85% |
1,1,2,2-tetrafluoro-N,N-dimethylethan-1-amine
A
Difluoroacetic acid N,N-dimethylamide
Conditions | Yield |
---|---|
Stage #1: 1,1,2,2-tetrafluoro-N,N-dimethylethan-1-amine; trifluoropropyl lactate at 10 - 60℃; for 3h; Stage #2: With N-cyclohexyl-N-cyclopentyl-N-ethylamine at 0℃; | A n/a B 97.52% |
ethyl 2-hydroxypropionate
1,1,2,2-tetrafluoro-N,N-dimethylethan-1-amine
A
ethyl 2-fluoropropionate
B
Difluoroacetic acid N,N-dimethylamide
Conditions | Yield |
---|---|
Stage #1: ethyl 2-hydroxypropionate; 1,1,2,2-tetrafluoro-N,N-dimethylethan-1-amine at 10 - 50℃; for 4h; Stage #2: With dmap at 0℃; | A 96.62% B n/a |
2-Methyl-2-<β-dimethylamino-vinyl>-1,3-dioxolan
1,1,2,2-tetrafluoro-N,N-dimethylethan-1-amine
methylhydrazine
Conditions | Yield |
---|---|
Stage #1: 2-Methyl-2-<β-dimethylamino-vinyl>-1,3-dioxolan; 1,1,2,2-tetrafluoro-N,N-dimethylethan-1-amine With boron trifluoride In tetrahydrofuran at 0 - 20℃; for 2.5h; Stage #2: methylhydrazine In tetrahydrofuran at 5 - 20℃; for 2.5h; | 93.6% |
Conditions | Yield |
---|---|
Stage #1: 1,1,2,2-tetrafluoro-N,N-dimethylethan-1-amine; C7H13NO2 With boron trifluoride In acetonitrile at 20℃; for 2.5h; Stage #2: methylhydrazine In acetonitrile at 5 - 20℃; for 2.5h; Temperature; | 93.3% |
1,1,2,2-tetrafluoro-N,N-dimethylethan-1-amine
methylhydrazine
3-dimethylaminoacrolein
3-(difluoromethyl)-1-methyl-1H-pyrazole-4-carbaldehyde
Conditions | Yield |
---|---|
Stage #1: 1,1,2,2-tetrafluoro-N,N-dimethylethan-1-amine; 3-dimethylaminoacrolein With boron trifluoride In acetonitrile for 2.5h; Stage #2: methylhydrazine In acetonitrile at 5 - 20℃; for 2.5h; | 92.8% |
Conditions | Yield |
---|---|
Stage #1: 1,1,2,2-tetrafluoro-N,N-dimethylethan-1-amine; C9H17NO2 With boron trifluoride In acetonitrile at 0 - 30℃; for 2.5h; Stage #2: methylhydrazine In acetonitrile at 5 - 30℃; for 2.5h; | 91.9% |
Conditions | Yield |
---|---|
Stage #1: 1,1,2,2-tetrafluoro-N,N-dimethylethan-1-amine; C7H13NO2 With boron trifluoride In tetrahydrofuran at 0 - 20℃; for 2.5h; Stage #2: methylhydrazine In tetrahydrofuran at 5 - 20℃; for 2.5h; Temperature; Solvent; | 91.6% |
1,1,2,2-tetrafluoro-N,N-dimethylethan-1-amine
4-dimethylamino-3-buten-2-one
methylhydrazine
Conditions | Yield |
---|---|
Stage #1: 1,1,2,2-tetrafluoro-N,N-dimethylethan-1-amine; 4-dimethylamino-3-buten-2-one With boron trifluoride In acetonitrile for 2.5h; Stage #2: methylhydrazine In acetonitrile at 5 - 20℃; for 2.5h; | 90.3% |
1,1,2,2-tetrafluoro-N,N-dimethylethan-1-amine
methyl 3-methoxyprop-2-enoate
1-benzylidene-2-methylhydrazine
Conditions | Yield |
---|---|
Stage #1: 1,1,2,2-tetrafluoro-N,N-dimethylethan-1-amine; methyl 3-methoxyprop-2-enoate With boron trifluoride diethyl etherate In acetonitrile at 25 - 70℃; Inert atmosphere; Stage #2: 1-benzylidene-2-methylhydrazine In toluene; acetonitrile at 25℃; for 0.75h; Stage #3: With hydrogenchloride In water; toluene; acetonitrile for 3h; Reflux; | 89% |
Conditions | Yield |
---|---|
Stage #1: 1,1,2,2-tetrafluoro-N,N-dimethylethan-1-amine; ethyleneglycoldi(3-N,N-dimethylaminopropyl)acrylate With boron trifluoride diethyl etherate In dichloromethane at 20℃; for 2h; Stage #2: methylhydrazine In acetonitrile at 20℃; for 2h; Reagent/catalyst; Solvent; Temperature; | 89% |
Stage #1: 1,1,2,2-tetrafluoro-N,N-dimethylethan-1-amine With boron trifluoride diethyl etherate In dichloromethane at 20℃; for 0.5h; Stage #2: ethyleneglycoldi(3-N,N-dimethylaminopropyl)acrylate In dichloromethane at 20℃; for 2h; Stage #3: methylhydrazine In acetonitrile at 20℃; for 2h; | 89% |
1,1,2,2-tetrafluoro-N,N-dimethylethan-1-amine
Conditions | Yield |
---|---|
Stage #1: 1,1,2,2-tetrafluoro-N,N-dimethylethan-1-amine With boron trifluoride diethyl etherate In acetonitrile for 0.25h; Inert atmosphere; Stage #2: ethyl 4,4-difluoro-3-(phenylamino)but-2-enoate In acetonitrile at 20 - 50℃; for 19.25h; Inert atmosphere; | 89% |
Stage #1: 1,1,2,2-tetrafluoro-N,N-dimethylethan-1-amine With boron trifluoride diethyl etherate In acetonitrile for 0.25h; Inert atmosphere; Stage #2: ethyl 4,4-difluoro-3-(phenylamino)but-2-enoate In acetonitrile at 20 - 50℃; for 19.25h; | 89% |
1,1,2,2-tetrafluoro-N,N-dimethylethan-1-amine
3,5-bis(difluoromethyl)-1H-pyrazole
Conditions | Yield |
---|---|
Stage #1: 1,1,2,2-tetrafluoro-N,N-dimethylethan-1-amine With boron trifluoride In acetonitrile at 10 - 20℃; for 1h; Stage #2: N-(1,1-difluoropropan-2-ylidene)propan-2-amine In acetonitrile at 40℃; for 13h; Stage #3: With hydrogenchloride; hydrazine hydrate In water; acetonitrile at 40 - 60℃; for 5h; Reagent/catalyst; | 87% |
Conditions | Yield |
---|---|
Stage #1: 1,1,2,2-tetrafluoro-N,N-dimethylethan-1-amine; hexylene glycol bis(3-(N,N-dimethylamino)acrylate) With boron trifluoride diethyl etherate In dichloromethane at 20℃; for 2h; Stage #2: methylhydrazine In acetonitrile at 20℃; for 2h; | 86% |
Stage #1: 1,1,2,2-tetrafluoro-N,N-dimethylethan-1-amine With boron trifluoride diethyl etherate In dichloromethane at 20℃; for 0.5h; Stage #2: hexylene glycol bis(3-(N,N-dimethylamino)acrylate) In dichloromethane at 20℃; for 2h; Stage #3: methylhydrazine In acetonitrile at 20℃; for 2h; | 86% |
1,1,2,2-tetrafluoro-N,N-dimethylethan-1-amine
3,5-bis(difluoromethyl)-1H-pyrazole
Conditions | Yield |
---|---|
Stage #1: 1,1,2,2-tetrafluoro-N,N-dimethylethan-1-amine With aluminum (III) chloride In acetonitrile at 10 - 20℃; for 1h; Stage #2: 1-(1,1-difluoropropan-2-ylidene)-2-(diphenylmethylene)hydrazine In acetonitrile at 20℃; Stage #3: With water In acetonitrile at 20 - 40℃; for 1h; Reagent/catalyst; Solvent; Temperature; | 85% |
1,1,2,2-tetrafluoro-N,N-dimethylethan-1-amine
N-(2,2,2-trifluoro-1-methylethylidene)propan-2-amine
3-(difluoromethyl)-5-(trifluoromethyl)-1H-pyrazole
Conditions | Yield |
---|---|
Stage #1: 1,1,2,2-tetrafluoro-N,N-dimethylethan-1-amine With boron trifluoride diethyl etherate In acetonitrile at 10 - 20℃; for 1h; Stage #2: N-(2,2,2-trifluoro-1-methylethylidene)propan-2-amine In acetonitrile at 40℃; for 13h; Stage #3: With hydrogenchloride; hydrazine hydrate In water; acetonitrile at 40 - 60℃; for 5h; | 85% |
(S)-Methyl lactate
1,1,2,2-tetrafluoro-N,N-dimethylethan-1-amine
A
Difluoroacetic acid N,N-dimethylamide
B
(R)-2-fluoropropionic acid methyl ester
Conditions | Yield |
---|---|
at 20 - 30℃; for 12h; | A n/a B 83% |
1,1,2,2-tetrafluoro-N,N-dimethylethan-1-amine
3-(difluoromethyl)-5-(trifluoromethyl)-1H-pyrazole
Conditions | Yield |
---|---|
Stage #1: 1,1,2,2-tetrafluoro-N,N-dimethylethan-1-amine With boron trifluoride diethyl etherate In dichloromethane at 20℃; for 0.25h; Inert atmosphere; Stage #2: 1-(diphenylmethylene)-2-(1,1,1-trifluoropropan-2-ylidene)hydrazine In acetonitrile at 20 - 50℃; for 24h; Inert atmosphere; Stage #3: With hydrogenchloride In water; acetonitrile at 20℃; for 1h; Inert atmosphere; | 83% |
1,1,2,2-tetrafluoro-N,N-dimethylethan-1-amine
3,5-bis(difluoromethyl)-1H-pyrazole
Conditions | Yield |
---|---|
Stage #1: 1,1,2,2-tetrafluoro-N,N-dimethylethan-1-amine With boron trifluoride diethyl etherate In acetonitrile at 10 - 20℃; for 0.25h; Inert atmosphere; Stage #2: bis(1,1-difluoropropan-2-ylidene)hydrazine In acetonitrile at 20℃; for 18h; Stage #3: With hydrazine hydrochloride In water; acetonitrile at 40℃; for 4h; | 81% |
Conditions | Yield |
---|---|
Stage #1: 1,1,2,2-tetrafluoro-N,N-dimethylethan-1-amine With acetonitrile boron trifluoride complex In acetonitrile at 20℃; for 0.25h; Inert atmosphere; Stage #2: sodium 3-ethoxy-1-(methylsulfonyl)-3-oxoprop-1-en-2-olate With pyridine In acetonitrile at 10 - 20℃; for 10h; Stage #3: phenylhydrazine In acetonitrile at -10 - 20℃; for 4h; | 81% |
Conditions | Yield |
---|---|
In dichloromethane at 20℃; for 16h; Inert atmosphere; | 80% |
1,1,2,2-tetrafluoro-N,N-dimethylethan-1-amine
ethyl 4,4,4-trifluoro-3-(phenylamino)but-2-enoate
Conditions | Yield |
---|---|
Stage #1: 1,1,2,2-tetrafluoro-N,N-dimethylethan-1-amine With boron trifluoride diethyl etherate In acetonitrile for 0.25h; Inert atmosphere; Stage #2: ethyl 4,4,4-trifluoro-3-(phenylamino)but-2-enoate With sulfuric acid In acetonitrile at 20 - 50℃; for 19.25h; Inert atmosphere; | 80% |
1,1,2,2-tetrafluoro-N,N-dimethylethan-1-amine
Conditions | Yield |
---|---|
Stage #1: 1,1,2,2-tetrafluoro-N,N-dimethylethan-1-amine With boron trifluoride diethyl etherate In acetonitrile for 0.25h; Inert atmosphere; Stage #2: ethyl 4,4,4-trifluoro-3-(phenylamino)but-2-enoate In acetonitrile at 20 - 50℃; for 19.25h; | 80% |
1,1,2,2-tetrafluoro-N,N-dimethylethan-1-amine
ethyl acetate
ethyl 4,4-difluoro-3-oxobutyrate
Conditions | Yield |
---|---|
Stage #1: ethyl acetate With sodium hydride In ethanol at 20℃; for 1h; Stage #2: 1,1,2,2-tetrafluoro-N,N-dimethylethan-1-amine In ethanol at 30℃; for 2h; Product distribution / selectivity; | 79% |
N,N-Dimethyl-1,1,2,2-tetrafluoroethylamine , with CAS no: 1550-50-1, is also known as Ethylamine,1,1,2,2-tetrafluoro-N,N-dimethyl- (6CI,8CI) or 1,1,2,2-Tetrafluoro-N,N-dimethylethanamine .
Its physical properties include the following items. The index of refraction is 1.324, molar refractivity is 24.881 cm3 and molar volume is 124.032 cm3. Besides, it has the polarizability 9.864×10-24cm3, surface tension 15.852 dyne/cm, enthalpy of vaporization 29.119 kJ/mol and the vapour pressure 322.306 mmHg at 25°C.
N,N-Dimethyl-1,1,2,2-tetrafluoroethylamine is a kind of transparent liquid with no color, with a low ignition point; It is being used in many different ways, such as medicine, pesticide intermediates, and halogenation agent fluoride. You could convert the chemical data into molecular structure through the folllowing chainings:
SMILES:
FC(F)C(F)(F)N(C)C
InChI:
InChI=1/C4H7F4N/c1-9(2)4(7,8)3(5)6/h3H,1-2H3.
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