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Diethyl phosphite CAS 762-04-9 Diethyl hydrogen phosphonate diethylacidphosphite CAS no 762-04-9 Phosphonic Acid Diethyl Ester Diethyl phosphite IN Stock CAS 762-04-9 Diethyl phosphite COA TDS price MSDS Diethyl phosphite MSDS Product no. ch
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Diethyl phosphite Basic information Product Name: Diethyl phosphite Synonyms: diethylacidphosphite;diethylfosfit;Ethyl phosphonate ((EtO)2HPO);Diethyl phosphite,98%;Phosphorous acid diethyl;Phosphorous acid hydrogen diethyl;Phosphonic acid die
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inquiryConditions | Yield |
---|---|
In 1,2-dichloro-ethane for 24h; Ambient temperature; molar ratio 1:1; | 98% |
Conditions | Yield |
---|---|
With sodium carbonate at 120℃; under 760.051 Torr; Reflux; Inert atmosphere; | 94.5% |
With titanium(IV) isopropylate at 40℃; for 18h; | 62% |
propylamine
diethyl benzoylphosphonate
A
diethyl 1-(diethylphosphoryloxy)-1-phenylmethylphosphonate
B
N-(n-propyl)benzamide
C
phosphonic acid diethyl ester
Conditions | Yield |
---|---|
In diethyl ether for 20h; Product distribution; Ambient temperature; variation of time, different solvents, reaction with several amines; | A 55% B 94% C 33% |
In diethyl ether for 20h; Ambient temperature; | A 55% B 94% C 33% |
Conditions | Yield |
---|---|
With potassium naphthalenide In tetrahydrofuran at -78℃; for 1h; | 94% |
With samarium diiodide In tetrahydrofuran for 3h; Heating; | 10% |
ethanol
phosphorus trichloride
A
chloroethane
B
phosphonic acid diethyl ester
Conditions | Yield |
---|---|
at 85℃; under 30.003 Torr; Addition of ca.3% diethyl phosphite (triethyl phosphite or ethyl chloride are also possible); | A n/a B 94% |
Conditions | Yield |
---|---|
With trifluorormethanesulfonic acid; water at 25℃; Sealed tube; | 93% |
With water In tetrahydrofuran at 20℃; Inert atmosphere; | 87% |
With lithium chloride at 200℃; das Lithium-Verbindung (Lithium-diaethyl-phophit) ensteht; |
Conditions | Yield |
---|---|
With phosphorus trichloride at 5℃; | 90% |
With phosphorus trichloride | 90% |
With phosphorus trichloride In chloroform at 5 - 20℃; for 3.16667h; | 84.5% |
Conditions | Yield |
---|---|
With N,N-diethyl-1,1,1-trimethylsilanamine at 110℃; for 0.5h; Inert atmosphere; | 86% |
ethanol
1,2,3-trihydrotetrafluoropropyl dichlorophosphite
A
phosphonic acid bis-(2,2,3,3-tetrafluoro-propyl) ester
B
phosphonic acid diethyl ester
Conditions | Yield |
---|---|
Ambient temperature; | A n/a B n/a C 85% |
propionaldehyde
triethyl phosphite
A
diethyl (1-hydroxypropyl)phosphonate
B
phosphonic acid diethyl ester
Conditions | Yield |
---|---|
With hydrogenchloride In diethyl ether; dichloromethane at -10℃; for 1h; | A 84% B n/a |
isobutyraldehyde
triethyl phosphite
A
diethyl (1-hydroxy-2-methylpropyl)phosphonate
B
phosphonic acid diethyl ester
Conditions | Yield |
---|---|
With hydrogenchloride In diethyl ether; dichloromethane at -10℃; for 1h; | A 83% B n/a |
diethyl benzoylphosphonate
benzylamine
A
diethyl 1-(diethylphosphoryloxy)-1-phenylmethylphosphonate
B
N-benzylbenzamide
C
phosphonic acid diethyl ester
Conditions | Yield |
---|---|
In diethyl ether for 3h; Ambient temperature; | A 12% B 82% C 45% |
triethyl phosphite
2-(methylamino)benzenethiol
A
2-methylaminophenyl ethyl sulphide
B
phosphonic acid diethyl ester
Conditions | Yield |
---|---|
at 150℃; for 10h; | A 70% B 82% |
ethanol
S,S-diethyl O-(trimethylsilyl) phosphorodithioite
phosphonic acid diethyl ester
Conditions | Yield |
---|---|
81.8% |
O,O,O-triethyl phosphorothioate
A
Diethyl phosphate
B
ethylphosphonic acid diethyl ester
C
phosphonic acid diethyl ester
Conditions | Yield |
---|---|
With magnesium monoperoxyphthalate hexahydrate In water at 25℃; for 24h; | A 10% B 81% C 9% |
Conditions | Yield |
---|---|
With hydrogenchloride In diethyl ether 0 deg C, 0.5 h then 20 deg C, 2 h; | A 63% B 81% |
3-nitro-benzaldehyde
triethyl phosphite
A
diethyl 1-hydroxy-1-(3-nitrophenyl)methylphosphonate
B
phosphonic acid diethyl ester
Conditions | Yield |
---|---|
With hydrogenchloride In diethyl ether; dichloromethane at -10℃; for 1h; | A 80% B n/a |
4-methoxy-benzaldehyde
triethyl phosphite
A
diethyl (hydroxy(4-methoxyphenyl)methyl)phosphonate
B
phosphonic acid diethyl ester
Conditions | Yield |
---|---|
With hydrogenchloride In diethyl ether; dichloromethane at -10℃; for 1h; | A 80% B n/a |
cyclohexanone
triethyl phosphite
A
diethyl (1-hydroxycyclohexyl)phosphonate
B
phosphonic acid diethyl ester
Conditions | Yield |
---|---|
With hydrogenchloride In diethyl ether; dichloromethane at -10℃; for 1h; | A 80% B n/a |
ethanol
A
triethyl phosphate
B
ethylphosphonic acid diethyl ester
C
phosphonic acid diethyl ester
Conditions | Yield |
---|---|
With phosphorous; CuCl2bpy3 In N,N-dimethyl-formamide at 50℃; Electrolysis; | A 79.3% B 5.4% C 15.3% |
With phosphorous; CuCl2bpy3 In acetonitrile at 50℃; Electrolysis; | A 55% B 15.5% C 29.5% |
With phosphorous; CuCl2bpy3 at 50℃; Electrolysis; | A 28.5% B 17.5% C 16% |
diethyl benzoylphosphonate
phenethylamine
A
diethyl 1-(diethylphosphoryloxy)-1-phenylmethylphosphonate
B
N-phenethylbenzamide
C
phosphonic acid diethyl ester
Conditions | Yield |
---|---|
In diethyl ether for 1h; Ambient temperature; | A 20% B 79% C 43% |
diethyl benzoylphosphonate
N-butylamine
A
diethyl 1-(diethylphosphoryloxy)-1-phenylmethylphosphonate
B
N-butylbenzamide
C
phosphonic acid diethyl ester
Conditions | Yield |
---|---|
In diethyl ether for 0.333333h; Ambient temperature; | A 18% B 79% C 42% |
Acetic formic anhydride
triethyl phosphite
A
(diethoxyphosphinyl)methyl diethyl phosphate
B
phosphonic acid diethyl ester
Conditions | Yield |
---|---|
at 20℃; for 20h; | A 79% B 12% |
3-phenyl-propenal
triethyl phosphite
A
(1-hydroxy-3-phenyl-allyl)-phosphonic acid diethyl ester
B
phosphonic acid diethyl ester
Conditions | Yield |
---|---|
With hydrogenchloride In diethyl ether; dichloromethane at -10℃; for 1h; | A 79% B n/a |
diisopropyl benzoylphosphonate
ethanolamine
A
N-(2-hydroxyethyl)-benzamide
B
2-benzamidoethyl benzoate
C
phosphonic acid diethyl ester
Conditions | Yield |
---|---|
In tetrahydrofuran for 72h; Ambient temperature; | A 78% B 9% C 3% |
diethyl benzoylphosphonate
isobutylamine
A
diethyl 1-(diethylphosphoryloxy)-1-phenylmethylphosphonate
B
N-isobutyl-benzamide
C
phosphonic acid diethyl ester
Conditions | Yield |
---|---|
In diethyl ether for 1h; Ambient temperature; | A 22% B 77% C 40% |
triethyl phosphite
A
triethyl phosphate
B
O,O-diethyl benzylphosphonate
C
phosphonic acid diethyl ester
Conditions | Yield |
---|---|
at 130℃; for 0.5h; Inert atmosphere; | A n/a B 76% C n/a |
toluene-4-sulfonic acid
triethyl phosphite
A
phosphonic acid diethyl ester
B
ethyl ester of p-toluenesulfonic acid
Conditions | Yield |
---|---|
In toluene for 24h; Product distribution; Heating; investigate effect of molar ratio, solvent and temperature; | A n/a B 75% |
furfural
phosphonic acid diethyl ester
diethyl (hydroxy(furan-2-yl)methyl)phosphonate
Conditions | Yield |
---|---|
With triethylamine In neat (no solvent) at 20℃; Pudovik Reaction; Inert atmosphere; | 100% |
With triethylamine at 50℃; Pudovik Reaction; Inert atmosphere; Sealed tube; | 100% |
With 2-tert-butylimino-2-diethylamino-1,3-dimethylperhydro-1,3,2-diazaphosphorine supported on polystyrene In neat (no solvent) at 30℃; for 3h; Pudovik Reaction; Green chemistry; | 99% |
4-nitrobenzaldehdye
phosphonic acid diethyl ester
diethyl (hydroxy(4-nitrophenyl)methyl)phosphonate
Conditions | Yield |
---|---|
With magnesium oxide for 0.17h; | 100% |
With {(μ-η5:η1):η1-2-[(2,6-Me2C6H3)NCH2](C4H3N)SmN(SiMe3)2}2 In toluene at 20℃; for 0.166667h; Inert atmosphere; | 99% |
With [(μ-η5:η1):η1:η1-3-(2-C4H3NCH=NCH2CH2)C8H5N]Yb3(μ3-O)-(μ2-Cl)2(THF)2[N(SiMe3)2] In neat (no solvent) at 20℃; for 0.166667h; Inert atmosphere; | 99% |
benzaldehyde
phosphonic acid diethyl ester
diethyl [hydroxy(phenyl)methyl]phosphonate
Conditions | Yield |
---|---|
100% | |
With {(μ-η5:η1):η1-2-[(2,6-Me2C6H3)NCH2](C4H3N)SmN(SiMe3)2}2 at 20℃; for 0.0833333h; Inert atmosphere; neat (no solvent); | 99% |
With C42H74LiN6Si4Yb at 20℃; for 0.333333h; Neat (no solvent); Inert atmosphere; | 99% |
Conditions | Yield |
---|---|
With potassium carbonate; potassium hydrogencarbonate; tetrabutylammomium bromide In tetrachloromethane at 15 - 20℃; for 4h; | 100% |
With iodine In neat (no solvent) at 20℃; for 0.5h; Solvent; | 86% |
With copper(l) iodide; oxygen In acetonitrile at 55℃; under 760.051 Torr; for 24h; | 84% |
phosphonic acid diethyl ester
2-nitro-benzaldehyde
diethyl (hydroxy)(2-nitrophenyl)methylphosphonate
Conditions | Yield |
---|---|
With triethylamine In neat (no solvent) at 20℃; for 24h; Pudovik Reaction; Inert atmosphere; | 100% |
With triethylamine at 50℃; Pudovik Reaction; Inert atmosphere; Sealed tube; | 100% |
With C42H74LiN6Si4Yb at 20℃; for 0.333333h; Neat (no solvent); Inert atmosphere; | 98% |
Conditions | Yield |
---|---|
With tert-butylhypochlorite In dichloromethane at 20℃; Inert atmosphere; | 100% |
With trichloroisocyanuric acid In acetonitrile at 20℃; | 98% |
With 1,3-dichloro-5,5-dimethylhydantoin In tetrachloromethane; acetonitrile at 20℃; for 0.166667h; | 97% |
4-tolyl iodide
phosphonic acid diethyl ester
diethyl 4-methylphenylphosphonate
Conditions | Yield |
---|---|
With Pd(PPh2)(m-C6H4SO3Na)*(H2O)4; triethylamine In water; acetonitrile for 1.5h; Ambient temperature; | 100% |
With triethylsilane; bis-triphenylphosphine-palladium(II) chloride; triethylamine In toluene for 0.183333h; Irradiation; | 91% |
With water extract of rice straw ash (WERSA) In water at 90℃; for 4h; | 90% |
benzyl-(4-isopropyl-benzyliden)-amine
phosphonic acid diethyl ester
[Benzylamino-(4-isopropyl-phenyl)-methyl]-phosphonic acid diethyl ester
Conditions | Yield |
---|---|
With boron trifluoride diethyl etherate In diethyl ether at 20℃; for 14h; | 100% |
phosphonic acid diethyl ester
[Benzylamino-(3-isopropyl-phenyl)-methyl]-phosphonic acid diethyl ester
Conditions | Yield |
---|---|
With boron trifluoride diethyl etherate In diethyl ether at 20℃; for 14h; | 100% |
phosphonic acid diethyl ester
[1-Benzylamino-1-(4-isopropyl-phenyl)-ethyl]-phosphonic acid diethyl ester
Conditions | Yield |
---|---|
With boron trifluoride diethyl etherate In diethyl ether at 20℃; for 14h; | 100% |
(2S,3S)-3-benzyloxy-1,2-epoxybutane
phosphonic acid diethyl ester
Conditions | Yield |
---|---|
With n-butyllithium; boron trifluoride diethyl etherate In tetrahydrofuran; hexane 1.) -78 deg C, 15 min, 2.) -78 deg C, 2 h; | 100% |
(2S,3R,4R)-2,4-Dimethyl-2-phenyl-3,4-dihydro-2H-pyrrole-3-carboxylic acid ethyl ester; compound with picric acid
phosphonic acid diethyl ester
(2R,3R,4S,5R)-5-(Diethoxy-phosphoryl)-2,4-dimethyl-2-phenyl-pyrrolidine-3-carboxylic acid ethyl ester
Conditions | Yield |
---|---|
at 130℃; for 3h; | 100% |
(3S,4S)-3-Phenyl-2-aza-spiro[4.5]dec-1-ene-4-carboxylic acid ethyl ester
phosphonic acid diethyl ester
(1R,3S,4R)-1-(Diethoxy-phosphoryl)-3-phenyl-2-aza-spiro[4.5]decane-4-carboxylic acid ethyl ester
Conditions | Yield |
---|---|
at 130℃; for 3h; | 100% |
(2R,3S)-3-(benzyloxy)-1,2-epoxybutane
phosphonic acid diethyl ester
Diethyl (2R,3S)-3-(benzyloxy)-2-hydroxybutanephosphonate
Conditions | Yield |
---|---|
With n-butyllithium; boron trifluoride diethyl etherate In tetrahydrofuran; hexane 1.) -78 deg C, 15 min, 2.) -78 deg C, 2 h; | 100% |
phosphonic acid diethyl ester
(2S,3S)-3-Methyl-2-phenyl-3,4-dihydro-2H-pyrrole-3-carboxylic acid ethyl ester
(2S,3R,5R)-5-(Diethoxy-phosphoryl)-3-methyl-2-phenyl-pyrrolidine-3-carboxylic acid ethyl ester
Conditions | Yield |
---|---|
at 130℃; for 3h; | 100% |
phosphonic acid diethyl ester
(2R,3R)-4,4-Dimethyl-2-phenyl-3,4-dihydro-2H-pyrrole-3-carboxylic acid ethyl ester
(2S,3R,5R)-5-(Diethoxy-phosphoryl)-4,4-dimethyl-2-phenyl-pyrrolidine-3-carboxylic acid ethyl ester
Conditions | Yield |
---|---|
at 130℃; for 3h; | 100% |
4-ethoxybenzaldehyde
phosphonic acid diethyl ester
diethyl ((4-ethoxyphenyl)(hydroxy)methyl)phosphonate
Conditions | Yield |
---|---|
With aluminum oxide for 48h; Ambient temperature; | 100% |
With cholin hydroxide In neat (no solvent) at 20℃; for 0.1h; Green chemistry; | 96% |
phosphonic acid diethyl ester
propynoic acid ethyl ester
ethyl β,β-bis(diethoxyphosphoryl)propionate
Conditions | Yield |
---|---|
With aluminum oxide; potassium hydroxide In dichloromethane at 20℃; for 0.0833333h; | 100% |
With sodium hexamethyldisilazane 1) THF, -50 deg C, 15 min; 2) THF, -50 deg C, 10 min; Yield given. Multistep reaction; | |
With aluminum oxide; potassium hydroxide at 20℃; for 0.0833333h; Yield given; |
phosphonic acid diethyl ester
2,3,4-trimethoxybenzaldehyde
[Hydroxy-(2,3,4-trimethoxy-phenyl)-methyl]-phosphonic acid diethyl ester
Conditions | Yield |
---|---|
With aluminum oxide for 48h; Ambient temperature; | 100% |
1-naphthaldehyde
phosphonic acid diethyl ester
diethyl hydroxy(naphth-1-yl)methylphosphonate
Conditions | Yield |
---|---|
With N-ethyl-N,N-diisopropylamine at 20℃; for 17h; | 100% |
With N-ethyl-N,N-diisopropylamine at 20℃; for 18h; | 100% |
With (2,6-iPr2PhNH)5SmLi2(THF)2 In hexane at 20℃; for 0.0833333h; Schlenk technique; Inert atmosphere; | 99% |
2,4-dichlorobenzaldeyhde
phosphonic acid diethyl ester
diethyl [(2-4-dichlorophenyl)(hydroxy)methyl]phosphonate
Conditions | Yield |
---|---|
With magnesium oxide for 0.17h; | 100% |
With C42H74LiN6Si4Yb at 20℃; for 0.333333h; Neat (no solvent); Inert atmosphere; | 99% |
With [(μ-η5:η1):η1:η1-3-(2-C4H3NCH=NCH2CH2)C8H5N]Yb3(μ3-O)-(μ2-Cl)2(THF)2[N(SiMe3)2] In neat (no solvent) at 20℃; for 0.166667h; Inert atmosphere; | 98% |
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