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inquiryNMR spectra and their temperature-dependence has been reported for tris(dimethylamino)methane. Tris(dimethylamino)methane reacts with crowded ?-(o-nitrophenyl) ketone to yield tetrahydroquinoline derivative. Package:5, 25 g in glass bottle Applicatio
butylidenetriphenylphosphorane
N,N,N',N'-Tetramethylformamidinium chloride
A
tris(dimethylamino)methane
B
butyltriphenylphosphonium chloride
C
<2-(Dimethylamino)-1-propylvinyl>triphenylphosphonium-chlorid
Conditions | Yield |
---|---|
In tetrahydrofuran; benzene for 20h; | A 75% B 90% C 67% |
propylidenetriphenylphosphorane
N,N,N',N'-Tetramethylformamidinium chloride
A
tris(dimethylamino)methane
B
n-propyltriphenylphosphonium chloride
C
<2-(Dimethylamino)-1-ethylvinyl>triphenylphosphonium-chlorid
Conditions | Yield |
---|---|
In tetrahydrofuran; benzene for 20h; | A 75% B 90% C 72% |
N,N,N',N'-Tetramethylformamidinium chloride
Triphenyl<(propylthio)methylen>phosphoran
A
tris(dimethylamino)methane
B
triphenyl-propylsulfanylmethyl-phosphonium; chloride
C
<2-(Dimethylamino)-1-(propylthio)vinyl>triphenylphosphonium-chlorid
Conditions | Yield |
---|---|
In tetrahydrofuran; benzene for 720h; | A 75% B 90% C 28% |
N,N,N',N'-Tetramethylformamidinium chloride
ethylenetriphenylphosphorane
A
tris(dimethylamino)methane
B
ethyltriphenylphosphonium chloride
C
<2-(Dimethylamino)-1-methylvinyl>triphenylphosphonium-chlorid
Conditions | Yield |
---|---|
In tetrahydrofuran; benzene for 20h; | A 75% B 90% C 76% |
N,N,N',N'-Tetramethylformamidinium chloride
dimethyl amine
tris(dimethylamino)methane
Conditions | Yield |
---|---|
Stage #1: dimethyl amine With Trimethyl borate; sodium hydride In tetrahydrofuran deprotonation; complexation; cooling; Stage #2: N,N,N',N'-Tetramethylformamidinium chloride In tetrahydrofuran Addition; cooling; | 84% |
Stage #1: dimethyl amine With n-butyllithium In tetrahydrofuran; diethyl ether; hexane at -78 - 20℃; for 0.5h; Inert atmosphere; Stage #2: N,N,N',N'-Tetramethylformamidinium chloride In tetrahydrofuran; diethyl ether; hexane at 0 - 20℃; for 8h; | 71% |
With lithium | |
With n-butyllithium 1.) THF, hexane, 0 deg C, 30 min, 2.) RT, 18 h; Yield given. Multistep reaction; |
N,N,N',N'-tetramethylformamidinium methyl sulfate
dimethyl amine
tris(dimethylamino)methane
Conditions | Yield |
---|---|
Stage #1: dimethyl amine With Trimethyl borate; sodium hydride In tetrahydrofuran deprotonation; complexation; cooling; Stage #2: N,N,N',N'-tetramethylformamidinium methyl sulfate In tetrahydrofuran Addition; cooling; | 77% |
With potassium tert-butylate |
Bis(dimethylamino)acetonitrile
dimethyl amine
tris(dimethylamino)methane
Conditions | Yield |
---|---|
Stage #1: dimethyl amine With Trimethyl borate; sodium hydride In tetrahydrofuran deprotonation; complexation; cooling; Stage #2: Bis(dimethylamino)acetonitrile In tetrahydrofuran Substitution; cooling; | 77% |
N,N,N',N'-Tetramethylformamidinium chloride
Methylenetriphenylphosphorane
A
tris(dimethylamino)methane
B
methyltriphenylphosphonium chloride
C
<2-(dimethylamino)vinyl>triphenylphosphonium chloride
Conditions | Yield |
---|---|
In tetrahydrofuran; benzene for 20h; | A n/a B n/a C 75% |
N,N,N',N',N'',N''-hexamethylguanidinium chloride
tris(dimethylamino)methane
Conditions | Yield |
---|---|
With sodium bis(2-methoxyethoxy)aluminium dihydride In benzene at 60℃; for 1h; | 55% |
With Trimethyl borate; sodium hydride In tetrahydrofuran at 20℃; for 30h; Product distribution; Further Variations:; Reagents; conc./ratio; time; Reduction; |
N,N,N',N',N'',N''-hexamethylguanidinium chloride
dimethyl amine
A
tris(dimethylamino)methane
B
Tetrakis(dimethylamino)methan
Conditions | Yield |
---|---|
Stage #1: dimethyl amine With Trimethyl borate; sodium hydride In tetrahydrofuran for 0.25h; deprotonation; complexation; cooling; Stage #2: N,N,N',N',N'',N''-hexamethylguanidinium chloride In tetrahydrofuran at 20℃; for 48h; Addition; reduction; | A 50% B 11% |
Bis(dimethylamino)acetonitrile
lithium dimethylamide
tris(dimethylamino)methane
Conditions | Yield |
---|---|
In tetrahydrofuran; hexane |
Conditions | Yield |
---|---|
With sodium thioethylate In diethyl ether Heating; |
tetrakis(dimethylamino)titanium
N,N-dimethyl-formamide
tris(dimethylamino)methane
Conditions | Yield |
---|---|
In diethyl ether |
Trimethyl borate
dimethyl amine
tetramethylurea
trichloromethyl chloroformate
A
Tetrakis(dimethylamino)ethylen
B
Tris(dimethylamino)methoxy-ethylen
C
tris(dimethylamino)methane
Conditions | Yield |
---|---|
Stage #1: dimethyl amine; tetramethylurea; trichloromethyl chloroformate In tetrahydrofuran at 20℃; Substitution; condensation; Stage #2: Trimethyl borate With sodium hydride In tetrahydrofuran at 20℃; for 24h; Substitution; Title compound not separated from byproducts; |
sodium methylate
N,N,N',N'-Tetramethylformamidinium chloride
A
bis(dimethylamino)methoxymethane
B
tris(dimethylamino)methane
C
N,N-dimethyl-formamide dimethyl acetal
Conditions | Yield |
---|---|
In tetrahydrofuran at 21℃; Title compound not separated from byproducts.; |
N,N,N',N'-Tetramethylformamidinium chloride
sodium tert-pentoxide
A
tris(dimethylamino)methane
B
tert-pentoxy-bis(dimethylamino)methane
C
N,N-dimethylformamide di-tert-pentoxyacetal
Conditions | Yield |
---|---|
In tetrahydrofuran; toluene at 20℃; for 48h; Product distribution / selectivity; |
potassium tert-butylate
A
tris(dimethylamino)methane
B
tert-Butoxybis(dimethylamino)methane
C
N,N-dimethylformamide di-tert-butyl acetal
Conditions | Yield |
---|---|
In tetrahydrofuran at 50℃; for 1h; |
potassium tert-butylate
N,N,N',N'-tetramethylformamidinium methyl sulfate
A
tris(dimethylamino)methane
B
tert-Butoxybis(dimethylamino)methane
C
N,N-dimethylformamide di-tert-butyl acetal
Conditions | Yield |
---|---|
In tetrahydrofuran at 60℃; for 1h; |
potassium tert-butylate
N,N,N',N'-Tetramethylformamidinium-(p-toluolsulfonat)
A
tris(dimethylamino)methane
B
tert-Butoxybis(dimethylamino)methane
C
N,N-dimethylformamide di-tert-butyl acetal
Conditions | Yield |
---|---|
In tetrahydrofuran at 50℃; for 1h; |
tris(dimethylamino)methane
3-oxo-9-azaspiro[5.5]undec-4-ene-9-carboxylic acid benzyl ester
8-(dimethylaminomethylene)-9-oxo-3-azaspiro[5.5]undec-10-ene-3-carboxylic acid benzyl ester
Conditions | Yield |
---|---|
In toluene for 5h; Reflux; | 100% |
In toluene at 110℃; for 5h; Inert atmosphere; | 100% |
In toluene for 5h; Reflux; | 100% |
In toluene for 5h; Reflux; | 100% |
In toluene at 100℃; for 15h; | 99% |
Conditions | Yield |
---|---|
at 120℃; for 16h; | 99% |
5,5-diphenyldihydrofuran-2(3H)-one
tris(dimethylamino)methane
3-Dimethylaminomethylen-5,5-diphenyl-dihydro-2(3H)-furanon
Conditions | Yield |
---|---|
at 100℃; | 94% |
tris(dimethylamino)methane
5,6:7,8-di-O-isopropylidene-D-manno-oct-1,4-lactone
Conditions | Yield |
---|---|
at 70℃; for 120h; | 94% |
tris(dimethylamino)methane
δ,δ-Diphenyl-δ-valerolacton
3-Dimethylaminomethylen-6,6-diphenyl-tetrahydro-2(2H)pyranon
Conditions | Yield |
---|---|
at 100℃; for 6h; | 93% |
tris(dimethylamino)methane
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide at 70℃; for 1h; | 91% |
5-diethylcarbamoyl-5-ethyl-4-methyl-2-oxo-2,5-dihydro-furan-3-carboxylic acid ethyl ester
tris(dimethylamino)methane
5-diethylcarbamoyl-4-((E)-2-dimethylamino-vinyl)-5-ethyl-2-oxo-2,5-dihydro-furan-3-carboxylic acid ethyl ester
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide at 20℃; for 17h; | 90% |
In N,N-dimethyl-formamide at 20℃; for 17h; Product distribution / selectivity; | 90% |
(S)-5-diethylcarbamoyl-5-ethyl-4-methyl-2-oxo-2,5-dihydro-furan-3-carboxylic acid ethyl ester
tris(dimethylamino)methane
(S)-5-diethylcarbamoyl-4-((E)-2-dimethylamino-vinyl)-5-ethyl-2-oxo-2,5-dihydro-furan-3-carboxylic acid ethyl ester
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide at 20℃; for 17h; | 90% |
tris(dimethylamino)methane
guanidine hydrogen carbonate
N6-(2-(4-phenylpiperazin-1-yl)-ethyl)-N6-propyl-4,5,6,7-tetrahydrobenzo[d]thiazole-2,6-diamine
Conditions | Yield |
---|---|
Stage #1: tris(dimethylamino)methane; N6-(2-(4-phenylpiperazin-1-yl)-ethyl)-N6-propyl-4,5,6,7-tetrahydrobenzo[d]thiazole-2,6-diamine In toluene at 90℃; for 4h; Stage #2: guanidine hydrogen carbonate In ethanol for 17h; heating; | 88% |
4,7-diaza-1,9-decadiene
tris(dimethylamino)methane
1,3-diallyl-2-dimethylaminoimidazolidine
Conditions | Yield |
---|---|
In hexane for 2h; Heating; | 87% |
tris(dimethylamino)methane
(5S,1'S)-5-{1',2'-dihydroxy-1',2'-O-isopropylidene-ethyl}-tetrahydrofuran-2-one
(4S,5R)-2(E)-N,N-dimethylaminomethylidene-4-<5,6-O-(1-methylethylidene)>-γ-hexanolactone
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide at 67℃; | 85% |
tris(dimethylamino)methane
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide at 65℃; for 16h; Condensation; | 85% |
4-methyl-4-phenyldihydrofuran-2(3H)-one
tris(dimethylamino)methane
3-[1-Dimethylamino-meth-(Z)-ylidene]-4-methyl-4-phenyl-dihydro-furan-2-one
Conditions | Yield |
---|---|
at 70℃; for 12h; Substitution; | 85% |
Conditions | Yield |
---|---|
at 70℃; for 12h; Substitution; | 85% |
Conditions | Yield |
---|---|
With selenium In xylene for 44h; Heating; | 82% |
tris(dimethylamino)methane
2-anilino-4-[1-(pyrrolid-2-on-1-yl)-2-(dimethylamino)vinyl]pyrimidine
Conditions | Yield |
---|---|
In DMF (N,N-dimethyl-formamide) at 130℃; for 6h; | 81% |
tris(dimethylamino)methane
(2S,3S,2'S,5'R)-3-dimethoxymethyl-2',5'-dimethoxy-3,4,2',5'-tetrahydro-2H-2,2'-bifuranyl-5-one
(2S,3S,2'S,5'R)-3-dimethoxymethyl-4-dimethylaminomethylene-2',5'-dimethoxy-3,4,2',5'-tetrahydro-2H-2,2'-bifuranyl-5-one
Conditions | Yield |
---|---|
In toluene at 70℃; for 48h; Inert atmosphere; | 81% |
tris(dimethylamino)methane
(3aS,7aR)-1-Methyl-3a-(2-nitro-phenyl)-octahydro-indol-4-one
Conditions | Yield |
---|---|
In tetrahydrofuran for 5h; Heating; Yields of byproduct given; | A 80% B n/a |
In tetrahydrofuran for 5h; Heating; Yield given; | A 80% B n/a |
tris(dimethylamino)methane
diethyl methylenebis<(ethoxymethyl)phosphinate>
Conditions | Yield |
---|---|
With zinc(II) chloride at 160 - 170℃; Title compound not separated from byproducts; | A n/a B 76% |
With zinc(II) chloride at 160 - 170℃; | A n/a B 76% |
7,8,9,10-tetrahydrocyclohepta[b]indol-6(5H)-one
tris(dimethylamino)methane
7-[(dimethylamino)methylidene]-7,8,9,10-tetrahydrocyclohepta[b]indol-6(5H)-one
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide at 70℃; for 3h; | 76% |
In DMF (N,N-dimethyl-formamide) at 70℃; for 3h; |
Conditions | Yield |
---|---|
at 20℃; for 0.5h; | 75% |
tris(dimethylamino)methane
t-butyl diazoacetate
Conditions | Yield |
---|---|
at 20℃; for 20h; | 74% |
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