Conditions | Yield |
---|---|
With pyridine; 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; trichloroisocyanuric acid In acetonitrile Inert atmosphere; | 100% |
In water at 180℃; under 3750.38 Torr; for 4h; Catalytic behavior; | 100% |
With 1-methyl-1H-imidazole; [2,2]bipyridinyl; tetrakis(acetonitrile)copper(I) trifluoromethanesulfonate; 9-azabicyclo<3.3.1>nonane-N-oxyl In acetonitrile at 22℃; for 2h; Reagent/catalyst; | 98% |
Conditions | Yield |
---|---|
With 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; nitromethane; oxygen; 1,10-ethyleneisoalloxazinium chloride at 40℃; for 24h; | A 6 %Spectr. B 90% |
With 1-methyl-1H-imidazole; [2,2]bipyridinyl; tetrakis(acetonitrile)copper(I) trifluoromethanesulfonate; 9-azabicyclo<3.3.1>nonane-N-oxyl In acetonitrile at 22℃; for 2h; Reagent/catalyst; | A 38% B 87% |
With 1-methyl-1H-imidazole; [2,2]bipyridinyl; 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; tetrakis(acetonitrile)copper(I) trifluoromethanesulfonate In acetonitrile at 22℃; for 2h; Reagent/catalyst; | A 45% B 45% |
With 1-methyl-1H-imidazole; [2,2]bipyridinyl; 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; tetrakis(acetonitrile)copper(I) trifluoromethanesulfonate In acetonitrile at 22℃; for 12h; Temperature; Reagent/catalyst; | A 44% B 34% |
With 0.5C32H30N4O4Pd2(4+)*2CF3O3S(1-); oxygen In acetonitrile at 60℃; under 760.051 Torr; for 26h; Reagent/catalyst; Temperature; |
2-(2-methoxyethoxy)acetic acid
p-dioxanone
Conditions | Yield |
---|---|
With hydrogen bromide In water at 0℃; pH=3; Reflux; | 60% |
With hydrogen bromide at 150℃; |
Conditions | Yield |
---|---|
With chromium(VI) oxide; Salpetersaeuretrimethylsilylester In acetonitrile for 24h; Ambient temperature; | 52% |
With TS-1 (titanium silicate); dihydrogen peroxide | 5% |
With hydrogenchloride; sodium hypochlorite |
Conditions | Yield |
---|---|
at 190℃; |
trans-2,3-dichloro-1,4-dioxane
p-dioxanone
Conditions | Yield |
---|---|
With formic acid at 200℃; |
(2-chloroethoxy)-acetic acid
p-dioxanone
Conditions | Yield |
---|---|
With sodium hydroxide unter vermindertem Druck; |
A
formaldehyd
B
ethylene glycol monoformate
C
ethylene glycol diformate
D
4-cyanonitrosobenzene
E
1,4-dioxane-2-ol
F
p-dioxanone
Conditions | Yield |
---|---|
With dinitrogen monoxide In water Mechanism; Product distribution; Rate constant; Ambient temperature; Irradiation; other ethers; |
diethylene glycol
A
2-methyl-1,3-dioxolane
B
1,4-dioxane
C
1,4-dioxene
D
p-dioxanone
Conditions | Yield |
---|---|
With zeolite NaY; copper at 280℃; further catalysts and conditions; Yield given; | |
With zeolite NaY; copper at 280℃; Product distribution; effect of support on selectivity of dioxene formation; further catalysts and conditions; |
p-dioxanone
Conditions | Yield |
---|---|
Bei der Destillation; |
Conditions | Yield |
---|---|
With ethylene glycol Erhitzen des Reaktionsprodukts mit wss. Salzsaeure; |
Conditions | Yield |
---|---|
With benzene |
trans-2,3-dichloro-1,4-dioxane
p-dioxanone
Conditions | Yield |
---|---|
at 200℃; |
Conditions | Yield |
---|---|
With 3,3-dimethyldioxirane In acetone at 25℃; Kinetics; | A 11 % Chromat. B 44 % Chromat. |
With oxygen at 80℃; for 24h; Catalytic behavior; Reagent/catalyst; Temperature; Time; | A 90 %Chromat. B 7 %Chromat. |
2-(2-hydroxyethoxy)acetic acid
p-dioxanone
Conditions | Yield |
---|---|
With hydrogen bromide; sodium hydrogencarbonate at 20℃; pH=3; | 104 g |
Conditions | Yield |
---|---|
With thionyl chloride | 100% |
Conditions | Yield |
---|---|
With 1,3,4,6,7,8-hexahydro-2H-pyrimido[1,2-a]pyrimidine In neat (no solvent) at 40℃; for 24h; | 98% |
p-dioxanone
dimethyl amine
2-hydroxyethoxy-acetic acid-N,N-dimethylamide
Conditions | Yield |
---|---|
In 1,4-dioxane at 5 - 20℃; for 2.08333h; Product distribution / selectivity; | 95.9% |
In acetonitrile at 5 - 20℃; for 2.08333h; Product distribution / selectivity; | 61.4% |
In tetrahydrofuran at 5 - 20℃; for 2.08333h; Product distribution / selectivity; | 59.8% |
In ethanol at 5 - 20℃; for 2.08333h; Product distribution / selectivity; | 50.4% |
In toluene at 5 - 20℃; for 2.08333h; Product distribution / selectivity; | 40.6% |
Conditions | Yield |
---|---|
With lithium diisopropyl amide In tetrahydrofuran at -78℃; for 3h; | 92% |
Conditions | Yield |
---|---|
With hydrogen bromide In (2S)-N-methyl-1-phenylpropan-2-amine hydrate | 90% |
2,3-Diaminopyridine
p-dioxanone
2-(2-hydroxyethoxymethyl)-pyrido[2,3-d]-1H-imidazole
Conditions | Yield |
---|---|
In 1,3,5-trimethyl-benzene for 10h; Heating / reflux; | 87% |
N-<3-<3-(1-piperidinylmethyl)phenoxy>propyl>amine
p-dioxanone
2-(2-Hydroxy-ethoxy)-N-[3-(3-piperidin-1-ylmethyl-phenoxy)-propyl]-acetamide
Conditions | Yield |
---|---|
84% |
p-dioxanone
1,2-diamino-benzene
2-(2-hydroxyethoxymethyl)-1H-benzimidazole
Conditions | Yield |
---|---|
In 1,3,5-trimethyl-benzene for 10h; Heating / reflux; | 77% |
Conditions | Yield |
---|---|
With dinitrogen tetraoxide In chloroform | 75% |
p-dioxanone
ethylene glycol
α,ω-dihydroxy oligo(p-dioxanone), prepared by ring-opening polymerization with ethylene glycol as initiator, Mn = 2300 g/mol (GPC), Mn = 2500 g/mol (NMR), Mn = 1600 g/mol (VPO), Mw/Mn = 1.50; monomer(s): p-dioxanone; ethylene glycol
Conditions | Yield |
---|---|
at 110℃; for 48h; | 75% |
Conditions | Yield |
---|---|
With dibutyltin diacetate In tetrahydrofuran at 65℃; for 4h; | 73% |
p-dioxanone
ethylene glycol
α,ω-dihydroxy oligo(p-dioxanone), prepared by ring-opening polymerization with ethylene glycol as initiator and dibutyltin oxide as catalyst, Mn = 2100 g/mol (GPC); monomer(s): p-dioxanone; ethylene glycol
Conditions | Yield |
---|---|
di(n-butyl)tin oxide at 110℃; for 3h; | 70% |
p-dioxanone
ethylene glycol
α,ω-dihydroxy oligo(p-dioxanone), prepared by ring-opening polymerization with ethylene glycol as initiator and dibutyltin oxide as catalyst, Mn = 2200 g/mol (GPC); monomer(s): p-dioxanone; ethylene glycol
Conditions | Yield |
---|---|
at 110℃; for 48h; | 70% |
p-dioxanone
ethylene glycol
α,ω-dihydroxy oligo(p-dioxanone), prepared by ring-opening polymerization with ethylene glycol as initiator, Mn = 1800 g/mol (GPC), Mn = 2100 g/mol (NMR), Mn = 1400 g/mol (VPO), Mw/Mn = 1.55; monomer(s): p-dioxanone; ethylene glycol
Conditions | Yield |
---|---|
at 110℃; for 48h; | 70% |
p-dioxanone
ethylene glycol
α,ω-dihydroxy oligo(p-dioxanone), prepared by ring-opening polymerization with ethylene glycol as initiator, Mn = 2300 g/mol (GPC), Mn = 2700 g/mol (NMR), Mn = 1900 g/mol (VPO), Mw/Mn = 1.62; monomer(s): p-dioxanone; ethylene glycol
Conditions | Yield |
---|---|
di(n-butyl)tin oxide at 110℃; for 3h; | 70% |
p-dioxanone
ethylene glycol
α,ω-dihydroxy oligo(p-dioxanone), prepared by ring-opening polymerization with ethylene glycol as initiator, Mn = 2600 g/mol (GPC), Mn = 3000 g/mol (NMR), Mn = 1900 g/mol (VPO), Mw/Mn = 1.50; monomer(s): p-dioxanone; ethylene glycol
Conditions | Yield |
---|---|
at 110℃; for 48h; | 70% |
p-dioxanone
ethylene glycol
α,ω-dihydroxy oligo(p-dioxanone), prepared by ring-opening polymerization with ethylene glycol as initiator, Mn = 2931 g/mol (GPC), Mn = 3000 g/mol (NMR), Mn = 2100 g/mol (VPO), Mw/Mn = 1.52; monomer(s): p-dioxanone; ethylene glycol
Conditions | Yield |
---|---|
di(n-butyl)tin oxide at 110℃; for 3h; | 70% |
p-dioxanone
sodium 2-(2-hydroxyethoxy)acetate
Conditions | Yield |
---|---|
With water; sodium hydroxide Reflux; | 66% |
p-dioxanone
ethylene glycol
α,ω-dihydroxy oligo(p-dioxanone), prepared by ring-opening polymerization with ethylene glycol as initiator, Mn = 1900 g/mol (GPC), Mn = 2300 g/mol (NMR), Mn = 1600 g/mol (VPO), Mw/Mn = 1.73; monomer(s): p-dioxanone; ethylene glycol
Conditions | Yield |
---|---|
di(n-butyl)tin oxide at 110℃; for 3h; | 65% |
p-dioxanone
ethylene glycol
α,ω-dihydroxy oligo(p-dioxanone), prepared by ring-opening polymerization with ethylene glycol as initiator, Mn = 4200 g/mol (GPC), Mn = 3000 g/mol (NMR), Mn = 3100 g/mol (VPO), Mw/Mn = 1.24; monomer(s): p-dioxanone; ethylene glycol
Conditions | Yield |
---|---|
at 110℃; for 48h; | 63% |
Conditions | Yield |
---|---|
Stage #1: p-dioxanone With sodium hydride In N,N-dimethyl-formamide at 0℃; for 1h; Inert atmosphere; Stage #2: bromoethyl-2-benzyl ether In N,N-dimethyl-formamide at 70℃; for 12h; Inert atmosphere; | 23% |
p-dioxanone
(4-chlorphenyl)magnesium bromide
1,1-bis-(4-chloro-phenyl)-2-(2-hydroxy-ethoxy)-ethanol
The p-Dioxan-2-one, with the CAS registry number 3041-16-5, is also known as Acetic acid, (2-hydroxyethoxy)-, gamma-lactone (6CI,7CI). This chemical's molecular formula is C4H6O3 and molecular weight is 102.08864. Its IUPAC name is called 1,4-dioxan-2-one.
Physical properties of p-Dioxan-2-one: (1)ACD/BCF (pH 5.5): 1; (2)ACD/BCF (pH 7.4): 1; (3)ACD/KOC (pH 5.5): 3.628; (4)ACD/KOC (pH 7.4): 3.628; (5)#H bond acceptors: 3; (6)Index of Refraction: 1.426; (7)Molar Refractivity: 21.788 cm3; (8)Molar Volume: 85.039 cm3; (9)Surface Tension: 34.701 dyne/cm; (10)Density: 1.201 g/cm3; (11)Flash Point: 85.464 °C; (12)Enthalpy of Vaporization: 45.937 kJ/mol; (13)Boiling Point: 222.895 °C at 760 mmHg; (14)Vapour Pressure: 0.099 mmHg at 25°C.
Preparation of p-Dioxan-2-one: this chemical can be prepared by [1,4]dioxane. This reaction will need reagents NaOCl and aq. HCl.
Uses of p-Dioxan-2-one: it can be used to produce 2-(2-hydroxy-ethoxy)-N-[3-(3-piperidin-1-ylmethyl-phenoxy)-propyl]-acetamide. The yield is about 84%.
You can still convert the following datas into molecular structure:
(1)Canonical SMILES: C1COC(=O)CO1
(2)InChI: InChI=1S/C4H6O3/c5-4-3-6-1-2-7-4/h1-3H2
(3)InChIKey: VPVXHAANQNHFSF-UHFFFAOYSA-N
The toxicity data is as follows:
Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
---|---|---|---|---|---|
mouse | LD | intraperitoneal | > 500mg/kg (500mg/kg) | "Summary Tables of Biological Tests," National Research Council Chemical-Biological Coordination Center. Vol. 6, Pg. 213, 1954. | |
rat | LD50 | intraperitoneal | 790mg/kg (790mg/kg) | Cancer Research. Vol. 38, Pg. 1621, 1978. |
About|Contact|Cas|Product Name|Molecular|Country|Encyclopedia
Message|New Cas|MSDS|Service|Advertisement|CAS DataBase|Article Data|Manufacturers | Chemical Catalog
©2008 LookChem.com,License: ICP
NO.:Zhejiang16009103
complaints:service@lookchem.com Desktop View