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Conditions | Yield |
---|---|
With chloro-trimethyl-silane at 20℃; for 0.416667h; | 97% |
With toluene-4-sulfonic acid 1.)cooling, 1 h 2.)20 deg C, 20 h; | 57% |
With C6H12Bi6O28S6 for 4h; Reflux; | 10% |
Conditions | Yield |
---|---|
With iron(III) chloride hexahydrate; sodium nitrite at 50℃; for 24h; Temperature; Time; UV-irradiation; | 67% |
2-bromomethyl-1,3-dioxolane
ethyl 3-bromobenzoate
A
2-methyl-1,3-dioxolane
B
di(1,3-dioxolan-2-yl)methane
C
benzoic acid ethyl ester
D
ethyl 3-((1,3-dioxolan-2-yl)methyl)benzoate
Conditions | Yield |
---|---|
With pyridine; 1,3-dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone; 1,10-Phenanthroline; NiI2*3.5H2O; sodium iodide; zinc at 20 - 60℃; for 19h; chemoselective reaction; | A n/a B n/a C n/a D 66% E n/a |
2-ethoxy-ethanol
lead(IV) tetraacetate
A
2-methyl-1,3-dioxolane
B
2-ethoxyethyl acetate
C
ethyl acetate
Conditions | Yield |
---|---|
In chlorobenzene at 140℃; for 0.5h; | A 27% B 63% C 10% |
2-ethoxy-ethanol
A
2-methyl-1,3-dioxolane
B
2-ethoxyethyl acetate
C
ethyl acetate
Conditions | Yield |
---|---|
With lead(IV) acetate In chlorobenzene at 140℃; for 0.5h; glass tube; | A 27% B 63% C 10% |
Conditions | Yield |
---|---|
With potassium hydroxide at 120℃; Product distribution; cyclization, various alkalis; | 51% |
With sulfuric acid |
ethylene glycol
A
2-methyl-1,3-dioxolane
B
1,4-dioxane
C
acetaldehyde
D
diethylene glycol
Conditions | Yield |
---|---|
With tungsten trioxide on silica; hydrogen In water at 340℃; Temperature; Inert atmosphere; | A 38.8% B 28.7% C 44.9% D n/a |
2-ethoxy-ethanol
A
2-methyl-1,3-dioxolane
B
ethylene glycol monoformate
C
ethoxyacetaldehyde
D
formic acid ethyl ester
Conditions | Yield |
---|---|
With air; methyl nitrite; nitrogen(II) oxide at 23.85℃; under 750 Torr; for 2h; Oxidation; UV-irradiation; Further byproducts given; | A 3.4% B 36% C 24% D 43% |
Conditions | Yield |
---|---|
With synthetic silica ge at 150℃; for 24h; Kinetics; Autoclave; Green chemistry; | A 40% B 9% |
Molecule structure of Methyl dioxolane (CAS NO.497-26-7) :
IUPAC Name: 2-methyl-1,3-dioxolane
Molecular Weight: 88.10512 g/mol
Molecular Formula: C4H8O2
Density: 0.97 g/cm3
Boiling Point: 82.4 °C at 760 mmHg
Flash Point: 4 °C
Index of Refraction: 1.394
Molar Refractivity: 21.75 cm3
Molar Volume: 90.7 cm3
Polarizability: 8.62*10-24 cm3
Surface Tension: 27.9 dyne/cm
Enthalpy of Vaporization: 30.96 kJ/mol
Vapour Pressure: 87.6 mmHg at 25 °C
log P (octanol-water): 0.110
Water Solubility: 6.67E+05 mg/L
Atmospheric OH Rate Constant: 9.40E-12 cm3/molecule-sec
Storage Temp.: flammables area
Sensitive: moisture sensitive
XLogP3-AA: 0.2
H-Bond Acceptor: 2
Exact Mass: 88.05243
MonoIsotopic Mass: 88.05243
Topological Polar Surface Area: 18.5
Heavy Atom Count: 6
Complexity: 38.8
Canonical SMILES: CC1OCCO1
InChI: InChI=1S/C4H8O2/c1-4-5-2-3-6-4/h4H,2-3H2,1H3
InChIKey: HTWIZMNMTWYQRN-UHFFFAOYSA-N
EINECS: 207-841-4
Product Categories: Dioxanes & Dioxolanes; Dioxolanes
1. | eye-rbt 5 mg SEV | AJOPAA American Journal of Ophthalmology. 29 (1946),1363. | ||
2. | orl-rat LD50:3000 mg/kg | JIHTAB Journal of Industrial Hygiene and Toxicology. 31 (1949),60. |
Moderately toxic by ingestion. A severe eye irritant. When heated to decomposition it emits acrid smoke and irritating fumes.
Hazard Codes: F, Xi
Risk Statements: 11-36
R11:Highly flammable.
R36:Irritating to eyes.
Safety Statements: 16-26
S16:Keep away from sources of ignition.
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
RIDADR: UN 1993 3/PG 2
WGK Germany: 2
RTECS: JI3509000
HazardClass: 3
PackingGroup: II
Methyl dioxolane (CAS NO.497-26-7) is also called 2-Methyl-1,3-dioxacyclopentane ; 2-Methyl-1,3-dioxolane ; 2-Methyldioxolane ; 2-Methyldioxole ; Methyl-1,3-dioxolane ; Methyldioxolane ; NSC 5209 ; 1,3-Dioxolane, 2-methyl- ; Dioxolane, methyl- . Methyl dioxolane (CAS NO.497-26-7) is clear colorless liquid.