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inquiryDimethyl methylphosphonate CAS:756-79-6 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, specializing in high quality organic
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inquiryChemical Name: Dimethyl Methyl Phosphonate Synonyms: Flame Retardant DMMP CAS NO.: 756-79-6 Molecular formula: C3H9O3P Technical Index: Appearance: colorless transparent liquid Water content(%) 0.1max Density(25oC):1.16 ± 0.00
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inquiryDimethyl methylphosphonate Basic information Product Name: Dimethyl methylphosphonate Synonyms: Dimethoxymethylphosphine oxide;dimethoxymethylphosphineoxide;Dimethyl ester of methylphosphonic acid;dimethylmethanephosphate;Furan tf 2000;Fyrol d
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phosphorous acid trimethyl ester
methyl iodide
dimethyl methane phosphonate
Conditions | Yield |
---|---|
In neat (no solvent) at 100℃; for 0.138833h; Solvent; Arbuzov Reaction; Flow reactor; | 99% |
for 1h; Irradiation; | 95% |
for 0.0833333h; Michaelis-Arbuzov reaction; microwave irradiation; | 95% |
Conditions | Yield |
---|---|
With iodine for 24h; Heating; | 99% |
With trimethylsilyl trifluoromethanesulfonate In chloroform at 60℃; for 18h; Michaelis-Arbuzov rearrangement; | 98% |
With trimethylsilyl iodide at 50℃; for 6h; Michaelis-Arbuzov rearrangement; | 95% |
1,1,1-tri(hydroxymethyl)propane
phosphorous acid trimethyl ester
dimethyl methane phosphonate
Conditions | Yield |
---|---|
Stage #1: 1,1,1-tri(hydroxymethyl)propane; phosphorous acid trimethyl ester at 80 - 120℃; for 4h; Stage #2: With methyl p-toluene sulfonate at 170 - 180℃; for 2h; Reagent/catalyst; Temperature; | 96% |
methylphosphonic acid dichloroanhydride
methanol
dimethyl methane phosphonate
Conditions | Yield |
---|---|
With aluminum oxide at 20℃; | 95% |
With triethylamine | 80% |
benzyl bromide
phosphorous acid trimethyl ester
A
dimethyl benzylphosphonate
B
dimethyl methane phosphonate
Conditions | Yield |
---|---|
at 120℃; for 9h; | A 95% B 144 g |
phosphorous acid trimethyl ester
1-Bromo-2-bromomethyl-benzene
A
dimethyl (2-bromobenzyl)phosphonate
B
dimethyl methane phosphonate
Conditions | Yield |
---|---|
A 93% B n/a |
Conditions | Yield |
---|---|
at 100 - 140℃; for 0.2h; Arbuzov reaction; | A n/a B 90% |
Conditions | Yield |
---|---|
With tetrachlorosilane at 0℃; | 89% |
With p-TsOH-Celite at 20℃; | 87% |
Stage #1: methylphosphonic acid With 1H-imidazole; iodine In dichloromethane at 45 - 50℃; for 0.5h; Gareg-Samuelsson reaction; Stage #2: methanol In dichloromethane at 45 - 50℃; for 0.666667h; Gareg-Samuelsson reaction; | 85% |
1,2,2,2-tetrachloro-1-isocyanato-ethane
phosphorous acid trimethyl ester
A
2,2-dichloro-1-(dimethoxyphosphinyl)vinyl isocyanate
B
2,2,2-trichloro-1-(dimethoxyphosphinyl)ethyl isocyanate
C
dimethyl methane phosphonate
Conditions | Yield |
---|---|
at 100℃; for 1h; | A 7% B n/a C 81% |
phosphorous acid trimethyl ester
Benzyl bromoacetate
A
benzyl 2-(dimethoxyphosphoryl)acetate
B
dimethyl methane phosphonate
Conditions | Yield |
---|---|
at 85℃; for 60h; | A 81% B n/a |
iodobenzene
Dimethyl phosphite
A
dimethyl phenylphosphonate
B
dimethyl methane phosphonate
Conditions | Yield |
---|---|
With N-benzyl-N,N,N-triethylammonium chloride; potassium carbonate; palladium diacetate; triphenylphosphine In acetonitrile at 70℃; for 4h; Title compound not separated from byproducts; | A 80% B n/a |
Conditions | Yield |
---|---|
Stage #1: Dimethyl phosphite With sodium hydroxide for 0.25h; Michaelis-Becker reaction; Ionic liquid; Stage #2: methyl iodide for 12h; Michaelis-Becker reaction; Ionic liquid; | 80% |
Stage #1: Dimethyl phosphite With sodium In dichloromethane for 40h; Heating; Stage #2: methyl iodide In dichloromethane for 10h; Michaelis-Becker reaction; Heating; |
trimethyl phosphonoformate
A
trimethyl phosphite
B
dimethyl methane phosphonate
Conditions | Yield |
---|---|
at 295℃; for 6h; | A 18% B 75% |
Conditions | Yield |
---|---|
With tetraethylammonium bromide; cyclohexene at 20℃; electrolysis, Pt electrodes; | 75% |
Conditions | Yield |
---|---|
With polymer supported sulfonated magnetic resin In toluene at 20 - 70℃; for 0.75h; | 74% |
phosphorous acid trimethyl ester
A
trimethyl phosphite
B
O,O,O-trimethylthiophosphate
C
dimethyl methane phosphonate
Conditions | Yield |
---|---|
With sulfur trioxide In dichloromethane at -95℃; | A 25% B 4% C 71% |
phosphorous acid trimethyl ester
A
1-ethoxyethyl O,O-dimethylphosphorylethanoate
B
dimethyl methane phosphonate
Conditions | Yield |
---|---|
at 50 - 60℃; for 2.5h; Arbuzov reaction; | A 71% B 25.9% |
methanol
A
trimethyl phosphite
B
Dimethyl phosphite
C
dimethyl methane phosphonate
Conditions | Yield |
---|---|
With phosphorous; tetraethylammonium iodide In acetonitrile at 18℃; electrolysis; | A 70% B 11% C 3% |
With phosphorous; tetraethylammonium iodide In acetonitrile at 18℃; Mechanism; Product distribution; electrolysis; var. nucleophiles; var. temperatures; | A 70% B 11% C 3% |
With phosphorous In acetonitrile at 18℃; Electrolysis; | A 70% B 11% C 3% |
Conditions | Yield |
---|---|
With potassium carbonate at 25℃; for 4h; | 70% |
With potassium carbonate at 25℃; for 4h; other phosphonates; | 70% |
phosphorous acid trimethyl ester
A
1-ethoxyethyl O,O-dimethylphosphorylethanoate
B
dimethyl methane phosphonate
Conditions | Yield |
---|---|
at 40 - 50℃; for 2h; Arbuzov reaction; | A 67.2% B 27.4% |
dimethyl (1-methylethyl) phosphite
methyl iodide
A
isopropyl methyl methylphosphonate
C
dimethyl methane phosphonate
Conditions | Yield |
---|---|
for 2h; Arbusov rearrangement; Heating; | A 66% B 7 % Chromat. C 3 % Chromat. |
Conditions | Yield |
---|---|
With tetraethylammonium bromide In acetonitrile at 20℃; on a platinum electrode; | 65% |
phosphorous acid trimethyl ester
A
trimethyl phosphite
B
O,O,O-trimethylthiophosphate
C
dimethyl sulfate
D
dimethyl methane phosphonate
Conditions | Yield |
---|---|
With sulfur trioxide In dichloromethane at -78℃; Product distribution; other trialkyl phosphite,trialkyl phosphine, trialkyl arsines, trialkoxyarsines, var. molar ratio and temperatures; | A 22% B 4% C 55% D 19% |
With sulfur trioxide In dichloromethane at -78℃; | A 48% B 16% C 3% D 9% |
Conditions | Yield |
---|---|
With phosphorous; tetraethylammonium iodide In acetonitrile at 50℃; electrolysis; | A 51% B 28% |
With phosphorous In acetonitrile at 50℃; Electrolysis; | A 51% B 28% |
benzophenone
dimethyl α-trimethylsilylmethylphosphonate
A
1,1-Diphenylethylene
B
dimethyl (2,2-diphenylvinyl)phosphonate
C
dimethyl methane phosphonate
Conditions | Yield |
---|---|
With cesium fluoride | A 20% B 30% C 50% |
With cesium fluoride In tetrahydrofuran for 24h; Heating; | A 20% B 30% C 50% |
propargyl bromide
phosphorous acid trimethyl ester
A
Dimethyl propargylphosphonate
B
dimethyl methane phosphonate
Conditions | Yield |
---|---|
for 5h; Heating; | A 45% B n/a |
phosphorous acid trimethyl ester
A
Dimethyl propargylphosphonate
B
dimethyl methane phosphonate
Conditions | Yield |
---|---|
With propargyl bromide for 5h; Heating; | A 45% B n/a |
methyl trifluoromethanesulfonate
phosphorous acid trimethyl ester
A
methyltrimethoxyphosphonium triflate
B
dimethyl methane phosphonate
Conditions | Yield |
---|---|
In chloroform-d1 at 0 - 20℃; for 1h; Time; Inert atmosphere; Schlenk technique; | A 45% B 27 %Spectr. |
Conditions | Yield |
---|---|
Stage #1: dimethyl methane phosphonate With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 0.0833333h; Metallation; Stage #2: benzaldehyde In tetrahydrofuran; hexane at -78℃; for 0.0833333h; Addition; | 100% |
With n-butyllithium 1.) THF, hexane, -78 deg C, 15 min, 2.) THF, hexane, -78 -> -20 deg C; Yield given. Multistep reaction; | |
Stage #1: dimethyl methane phosphonate With n-butyllithium In tetrahydrofuran at -70℃; Inert atmosphere; Stage #2: benzaldehyde In tetrahydrofuran Inert atmosphere; |
(S)-3-(4-Methoxy-benzyl)-2,2-dimethyl-oxazolidine-4-carboxylic acid methyl ester
dimethyl methane phosphonate
{2-[(S)-3-(4-Methoxy-benzyl)-2,2-dimethyl-oxazolidin-4-yl]-2-oxo-ethyl}-phosphonic acid dimethyl ester
Conditions | Yield |
---|---|
With n-butyllithium In tetrahydrofuran at -78℃; | 100% |
N-carbobenzoxy-L-phenylalanine methyl ester
dimethyl methane phosphonate
dimethyl [(3S)-4-phenyl-3-[(benzyloxycarbonyl)amino]-2-oxobutyl]phosphonate
Conditions | Yield |
---|---|
Stage #1: dimethyl methane phosphonate With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 1h; Stage #2: N-carbobenzoxy-L-phenylalanine methyl ester In tetrahydrofuran; hexane Further stages.; | 100% |
Stage #1: dimethyl methane phosphonate With n-butyllithium In tetrahydrofuran; hexanes at -78℃; under 760.051 Torr; for 0.333333h; Stage #2: N-carbobenzoxy-L-phenylalanine methyl ester In tetrahydrofuran; hexanes at -78 - 20℃; under 760.051 Torr; for 1.25h; Stage #3: With water; acetic acid In tetrahydrofuran; hexanes at 0℃; under 760.051 Torr; | 100% |
2-methyl-3-oxocyclohex-1-en-1-yl trifluoromethanesulfonate
dimethyl methane phosphonate
1-(dimethylphosphonato)-2-oxo-6-octyne
Conditions | Yield |
---|---|
Stage #1: dimethyl methane phosphonate With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 0.333333h; Stage #2: 2-methyl-3-oxocyclohex-1-en-1-yl trifluoromethanesulfonate In tetrahydrofuran; hexane at -78 - 60℃; for 1.33333h; Inert atmosphere; | 100% |
Stage #1: dimethyl methane phosphonate With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 0.333333h; Inert atmosphere; Stage #2: 2-methyl-3-oxocyclohex-1-en-1-yl trifluoromethanesulfonate In tetrahydrofuran; hexane at -78 - 60℃; Inert atmosphere; Stage #3: With water; ammonium chloride In tetrahydrofuran; diethyl ether; hexane Inert atmosphere; | 97% |
Stage #1: dimethyl methane phosphonate With lithium hexamethyldisilazane In tetrahydrofuran at -78℃; for 0.5h; Stage #2: 2-methyl-3-oxocyclohex-1-en-1-yl trifluoromethanesulfonate In tetrahydrofuran at -78 - 60℃; for 1.33333h; Claisen condensation; | 21% |
Stage #1: dimethyl methane phosphonate With lithium hexamethyldisilazane In tetrahydrofuran at -78℃; for 0.5h; Stage #2: 2-methyl-3-oxocyclohex-1-en-1-yl trifluoromethanesulfonate In tetrahydrofuran at -78 - 60℃; Claisen condensation; | 21% |
Benzyloxymethyl-oxiran
dimethyl methane phosphonate
dimethyl 4-(benzyloxy)-3-hydroxybutanephosphonate
Conditions | Yield |
---|---|
Stage #1: dimethyl methane phosphonate With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 0.25h; Stage #2: Benzyloxymethyl-oxiran With boron trifluoride diethyl etherate In tetrahydrofuran; hexane at -70℃; for 2h; | 100% |
Stage #1: dimethyl methane phosphonate With n-butyllithium In tetrahydrofuran at -78℃; for 0.25h; Stage #2: Benzyloxymethyl-oxiran With boron trifluoride diethyl etherate In tetrahydrofuran at -70℃; for 2h; | 100% |
methyl 3-(adamantan-1-yl)propanoate
dimethyl methane phosphonate
dimethyl 2-oxo-4-(1-adamantyl)butylphosphonate
Conditions | Yield |
---|---|
With n-butyllithium In tetrahydrofuran; hexane; water | 100% |
methyl 2-((tert-butyl(diphenyl)silyl)oxy)acetate
dimethyl methane phosphonate
dimethyl 3-(tert-butyldiphenylsilyl)oxy-2-oxopropylphosphonate
Conditions | Yield |
---|---|
Stage #1: dimethyl methane phosphonate With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 0.5h; Inert atmosphere; Stage #2: methyl 2-((tert-butyl(diphenyl)silyl)oxy)acetate In tetrahydrofuran; hexane for 0.5h; Inert atmosphere; Stage #3: With ammonium chloride In tetrahydrofuran; hexane; water | 100% |
1-(tert-butyl) 2-methyl (R)-pyrrolidine-1,2-dicarboxylate
dimethyl methane phosphonate
(R)-1-tert-butyl 2-(2-(dimethoxyphosphoryl)acetyl)pyrrolidine-1-carboxylate
Conditions | Yield |
---|---|
Stage #1: dimethyl methane phosphonate With n-butyllithium In tetrahydrofuran; hexanes at -78℃; for 0.5h; Stage #2: 1-(tert-butyl) 2-methyl (R)-pyrrolidine-1,2-dicarboxylate In tetrahydrofuran; hexanes at -78℃; for 3h; Stage #3: With water; ammonium chloride In tetrahydrofuran; hexanes | 100% |
dimethyl (2S)-N-(triphenylmethyl)aspartate
dimethyl methane phosphonate
methyl (2S)-2-(tritylamino)-4-oxo-5-(dimethoxyphosphoryl)pentanoate
Conditions | Yield |
---|---|
With n-butyllithium In tetrahydrofuran at -78℃; Inert atmosphere; regioselective reaction; | 100% |
With n-butyllithium In tetrahydrofuran at -78℃; for 2h; Inert atmosphere; | 92% |
Stage #1: dimethyl methane phosphonate With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 1h; Inert atmosphere; Stage #2: dimethyl (2S)-N-(triphenylmethyl)aspartate In tetrahydrofuran at -78℃; for 2h; Inert atmosphere; | 92% |
ethyl 4-methoxy-5-(4-((4-methoxybenzyl)oxy)phenyl)-2-oxo-1,2-dihydropyridine-3-carboxylate
dimethyl methane phosphonate
dimethyl (2-(4-methoxy-5-(4-((4-methoxybenzyl)oxy)phenyl)-2-oxo-1,2-dihydropyridin-3-yl)-2-oxoethyl)phosphonate
Conditions | Yield |
---|---|
Stage #1: dimethyl methane phosphonate With n-butyllithium In tetrahydrofuran; hexane at -78 - -20℃; for 0.25h; Inert atmosphere; Stage #2: ethyl 4-methoxy-5-(4-((4-methoxybenzyl)oxy)phenyl)-2-oxo-1,2-dihydropyridine-3-carboxylate In tetrahydrofuran; hexane at -78 - 0℃; for 0.166667h; Inert atmosphere; | 100% |
Conditions | Yield |
---|---|
Stage #1: dimethyl methane phosphonate With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 0.5h; Stage #2: C17H28O4 In tetrahydrofuran; hexane at -78℃; for 2h; Stage #3: With ammonium chloride In tetrahydrofuran; hexane; water at -78℃; | 100% |
methyl 5-methylpyridine-2-carboxylate
dimethyl methane phosphonate
C10H14NO4P
Conditions | Yield |
---|---|
Stage #1: dimethyl methane phosphonate With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 0.333333h; Inert atmosphere; Stage #2: methyl 5-methylpyridine-2-carboxylate In tetrahydrofuran; hexane at -78℃; for 0.333333h; Inert atmosphere; Stage #3: With ammonium chloride In tetrahydrofuran; hexane; water | 100% |
methyl 2,3-O-isopropylidene-α-D-mannopyranoside-4,6-cyclic sulfate
dimethyl methane phosphonate
[2-((2R,3S,4S,5S,6S)-3,4,5-Trihydroxy-6-methoxy-tetrahydro-pyran-2-yl)-ethyl]-phosphonic acid dimethyl ester
Conditions | Yield |
---|---|
Stage #1: methyl-2,3-O-isopropylidene-4,6-cyclic sulfate-α-D-mannopyranoside; dimethyl methane phosphonate With 1,1-Diphenylethylene; N,N,N,N,N,N-hexamethylphosphoric triamide; n-butyllithium In tetrahydrofuran at -78℃; Stage #2: In tetrahydrofuran; methanol regioselective reaction; | 100% |
dimethyl methane phosphonate
dimethyl (5-iodo-2-oxohex-5-en-1-yl)phosphonate
Conditions | Yield |
---|---|
Stage #1: dimethyl methane phosphonate With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 0.333333h; Inert atmosphere; Stage #2: ethyl 4-iodopent-4-enoate In tetrahydrofuran; hexane at -78℃; for 1h; Inert atmosphere; | 100% |
dimethyl methane phosphonate
Conditions | Yield |
---|---|
Stage #1: dimethyl methane phosphonate With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 0.5h; Stage #2: methyl 2-(((tert-butoxycarbonyl)oxy)methyl)benzofuran-5-carboxylate In tetrahydrofuran; hexane at -78℃; for 2h; | 100% |
dimethyl methane phosphonate
A
methylphosphonic acid dichloroanhydride
B
methylene chloride
Conditions | Yield |
---|---|
With thionyl chloride; N-Formylpiperidine for 19h; Heating; various conditions and cactalasts investigated; | A 99.2% B n/a |
3-[2-(tert-Butyl-dimethyl-silanyloxy)-4-(trityl-amino)-phenyl]-propionic acid methyl ester
dimethyl methane phosphonate
{4-[2-(tert-Butyl-dimethyl-silanyloxy)-4-(trityl-amino)-phenyl]-2-oxo-butyl}-phosphonic acid dimethyl ester
Conditions | Yield |
---|---|
With n-butyllithium | 99% |
With n-butyllithium Yield given; |
methyl (4Z)-6,6,9-trimethyl-10-(tetrahydropyranyloxy)dec-6-en-2-ynoate
dimethyl methane phosphonate
(7Z)-1-dimethoxyphosphiryl-7,10,10-trimethyl-11-(tetrahydropyranyloxy)undec-7-en-3-yn-2-one
Conditions | Yield |
---|---|
With n-butyllithium In tetrahydrofuran; hexane at -78 - 20℃; Substitution; | 99% |
Dodecanal
dimethyl methane phosphonate
dimethyl 2-hydroxytridecylphosphonate
Conditions | Yield |
---|---|
Stage #1: dimethyl methane phosphonate With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 0.0833333h; Metallation; Stage #2: Dodecanal In tetrahydrofuran; hexane at -78℃; for 0.0833333h; Addition; | 99% |
(S)-methyl 2-palmitamido-3-(4-((4-(2,2,2-trifluoroethoxy)pyridin-2-yl)methoxy)phenyl)propanoate
dimethyl methane phosphonate
(S)-dimethyl 2-oxo-3-palmitamido-4-(4-((4-(2,2,2-trifluoroethoxy)pyridin-2-yl)methoxy)phenyl)butylphosphonate
Conditions | Yield |
---|---|
Stage #1: dimethyl methane phosphonate With n-butyllithium In tetrahydrofuran at -78℃; for 0.25h; Inert atmosphere; Stage #2: (S)-methyl 2-palmitamido-3-(4-((4-(2,2,2-trifluoroethoxy)pyridin-2-yl)methoxy)phenyl)propanoate In tetrahydrofuran at -78℃; for 0.333333h; Inert atmosphere; | 99% |
Stage #1: dimethyl methane phosphonate With n-butyllithium Stage #2: (S)-methyl 2-palmitamido-3-(4-((4-(2,2,2-trifluoroethoxy)pyridin-2-yl)methoxy)phenyl)propanoate at -78℃; for 3h; |
Conditions | Yield |
---|---|
With n-butyllithium In tetrahydrofuran at -78℃; | 99% |
dimethyl methane phosphonate
Conditions | Yield |
---|---|
With n-butyllithium In tetrahydrofuran; hexane at -60 - 20℃; for 2h; | 99% |
butyryl chloride
dimethyl methane phosphonate
dimethyl (2-oxopentyl)phosphonate
Conditions | Yield |
---|---|
99% |
ziconium(IV) oxychloride octahydrate
dimethyl methane phosphonate
Conditions | Yield |
---|---|
With aq. HCl In water reflux (24 h or 112 h); aq. HBr or H2O alone may also be used; filtration, washing (H2O; acetone), drying (40°C, 18 h, then 200°C, 24 h); elem. anal.; | 99% |
Conditions | Yield |
---|---|
With lithium hexamethyldisilazane In tetrahydrofuran Barbier reaction; Cooling with ice; Inert atmosphere; | 99% |
Conditions | Yield |
---|---|
With lithium hexamethyldisilazane In tetrahydrofuran Barbier reaction; Cooling with ice; Inert atmosphere; | 99% |
N-Ethylimidazole
dimethyl methane phosphonate
[EMIM] methyl methylphosphonate
Conditions | Yield |
---|---|
at 100℃; for 24h; Neat (no solvent); | 99% |
methyl-2-[N-(2,4,6-trimethylbenzenesulfonyl)amino]-3-phenyl-propionate
dimethyl methane phosphonate
dimethyl-{3-[N-(2,4,6-trimethylbenzenesulfonyl)amino]-2-oxo-4-phenyl-butyl}phosphonate
Conditions | Yield |
---|---|
Stage #1: dimethyl methane phosphonate With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 0.5h; Inert atmosphere; Stage #2: methyl-2-[N-(2,4,6-trimethylbenzenesulfonyl)amino]-3-phenyl-propionate In tetrahydrofuran; hexane at -78 - 0℃; for 5h; Inert atmosphere; | 99% |
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