Conditions | Yield |
---|---|
With methanesulfonic acid at 25℃; for 2h; Inert atmosphere; | 98% |
With aluminum triflate at 20℃; for 0.00833333h; | 95% |
aluminium dodecatungsten phosphate at 20℃; for 0.583333h; | 94% |
3-[(sulfanylacetyl)oxy]-2,2-bis{[(sulfanylacetyl)oxy]methyl}propyl sulfanylacetate
pentaerythritol tetracetate
Conditions | Yield |
---|---|
With di-tert-butyl peroxide; triethyl phosphite In acetonitrile at 20℃; UV-irradiation; | 94% |
With di-tert-butyl peroxide; triethyl phosphite In acetonitrile at 25℃; for 6h; Irradiation; | 94% |
2,2-bis(iodomethyl)-1,3-propanediol
silver(I) acetate
pentaerythritol tetracetate
Conditions | Yield |
---|---|
With acetic acid at 140 - 150℃; man kocht das Reaktionsprodukt mit Acetanhydrid und einer Spur Zinkchlorid; |
pentaerythritol bisacetate
A
Pentaerythritol
B
pentaerythritol triacetate
C
pentaerythritol tetracetate
Conditions | Yield |
---|---|
beim Aufbewahren; |
pentaerythritol tetracetate
pentaerythritol triacetate
Conditions | Yield |
---|---|
With sodium acetate at 170℃; for 2h; Inert atmosphere; | 41% |
Conditions | Yield |
---|---|
With scandium tris(trifluoromethanesulfonate) at 150℃; for 24h; Sealed tube; | 30% |
Conditions | Yield |
---|---|
With potassium carbonate at 180℃; |
tetra(n-butoxy)silane
pentaerythritol tetracetate
3,3-bis-acetoxymethyl-18,18-dibutoxy-1,5,7,11,13,17,19,22,23,26-decaoxa-6,12,18-trisila-tetraspiro[5.2.2.2.5.2.2.2]hexacosane
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid at 170 - 200℃; |
Conditions | Yield |
---|---|
With oxygen at 170℃; Rate constant; Product distribution; Mechanism; Eact, lgA; further temperatures; |
Conditions | Yield |
---|---|
at 150 - 160℃; |
Conditions | Yield |
---|---|
at 150 - 160℃; |
Conditions | Yield |
---|---|
at 150 - 160℃; |
Conditions | Yield |
---|---|
With sodium acetate |
pentaerythritol tetracetate
2-(acetoxymethyl)-2-(bromomethyl)propane-1,3-diyl diacetate
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: sodium acetate / 2 h / 170 °C / Inert atmosphere 2: N-Bromosuccinimide; triphenylphosphine / dichloromethane / 18 h / 0 °C / Inert atmosphere View Scheme |
pentaerythritol tetracetate
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: sodium acetate / 2 h / 170 °C / Inert atmosphere 2: N-Bromosuccinimide; triphenylphosphine / dichloromethane / 18 h / 0 °C / Inert atmosphere 3: NaS*5H2O; carbon disulfide / N,N-dimethyl-formamide / 0.17 h / 25 °C / Inert atmosphere View Scheme |
Chemistry informtion about Normosterol (CAS NO.597-71-7) is:
IUPAC Name: [3-Acetyloxy-2,2-Bis(Acetyloxymethyl)Propyl] Acetate
Synonyms: 1,3-Propanediol, 2,2-Bis[(Acetyloxy)Methyl]-, Diacetate ; 1,3-Propanediol,2,2-Bis[(Acetyloxy)Methyl]-,Diacetate ; 3-(Acetyloxy)-2,2-Bis[(Acetyloxy)Methyl]Propyl Acetate ; 3-Propanediol,2,2-Bis((Acetyloxy)Methyl)-Diacetate ; 3-Propanediol,2,2-Bis[(Acetyloxy)Methyl]-Diacetate ; Normo-Level ; Normosterol ; Pag
MF: C13H20O8
MW: 304.29
EINECS: 209-907-8
Density: 1.183 g/cm3
Melting Point: 78-83 °C
Flash Point: 160.5 °C
Boiling Point: 370.7 °C at 760 mmHg
Vapour Pressure: 1.09E-05 mmHg at 25°C
Enthalpy of Vaporization: 61.76 kJ/mol
Following is the molecular structure of Normosterol (CAS NO.597-71-7) is:
Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
---|---|---|---|---|---|
mouse | LD50 | intraperitoneal | 4850mg/kg (4850mg/kg) | Revista Medico-Chirurgicala. Medical-Surgical Journal. Vol. 86, Pg. 322, 1982. | |
mouse | LD50 | oral | 3500mg/kg (3500mg/kg) | Revista Medico-Chirurgicala. Medical-Surgical Journal. Vol. 86, Pg. 322, 1982. |
Reported in EPA TSCA Inventory.
Moderately toxic by ingestion. Slightly toxic by intraperitoneal route. When heated to decomposition it emits acrid smoke and irritating vapors.
Hazard Codes:
F
C
Risk Statements:
R11:Highly flammable.
R34:Causes burns.
Safety Statements:
S24/25:Avoid contact with skin and eyes.
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection.
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S16:Keep away from sources of ignition.
RTECS: RZ2600000
Normosterol (CAS NO.597-71-7) is a white to off-white powder.
First Aid Measures:
Eyes: Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately.
Skin: Get medical aid. Flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes. Remove contaminated clothing and shoes.
Ingestion: If victim is conscious and alert, give 2-4 cupfuls of milk or water. Get medical aid immediately.
Inhalation: Get medical aid immediately. Remove from exposure and move to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen.
Handling and Storage:
Handling: Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Avoid contact with eyes, skin, and clothing. Avoid ingestion and inhalation.
Storage: Store in a cool, dry place. Keep container closed when not in use.
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