ChemicalBook--->CAS DataBase List--->91526-18-0

91526-18-0

91526-18-0 Structure

91526-18-0 Structure
IdentificationBack Directory
[Name]

4-(hidroximetil)-5-metil-1,3-dioxol-2-ona
[CAS]

91526-18-0
[Synonyms]

DMDO-OH
AZATMint-D
Azilsartan Impurity 55
Azilasartan medoximil(HPLC-98.2%)
4-(hidroxiMetil)-5-Metil-1,3-dioxol-2-one
4-(hidroximetil)-5-metil-1,3-dioxol-2-ona
4-(hydroxymethyl)-5-methyl-l,3-dioxol-2-one
4-(HydroxyMethyl)-5-Methyl-[1,3]dioxol-2-one
4-(hydroxymethyl)-5-methyl-1,3-Diaxole-2-one
1,3-Dioxol-2-one, 4-(hydroxymethyl)-5-methyl-
4-(hydroxymethyl)-5-methyl-2H-1,3-dioxol-2-one
4-Methyl-5-hydroxyMethyl-2-oxo-1,3-dioxol-4-ene
4- (hydroxymethyl) -5- methyl -[1,3] dioxolane -2- one
4-(hidroximetil)-5-metil-1,3-dioxol-2-ona ISO 9001:2015 REACH
[EINECS(EC#)]

1308068-626-2
[Molecular Formula]

C5H6O4
[MDL Number]

MFCD12165896
[MOL File]

91526-18-0.mol
[Molecular Weight]

130.1
Chemical PropertiesBack Directory
[Boiling point ]

214℃
[density ]

1.367
[Fp ]

93℃
[storage temp. ]

Inert atmosphere,Store in freezer, under -20°C
[solubility ]

Chloroform (Slightly), Methanol (Slightly)
[form ]

liquid
[pka]

14.54±0.10(Predicted)
[color ]

Pale yellow
[InChI]

InChI=1S/C5H6O4/c1-3-4(2-6)9-5(7)8-3/h6H,2H2,1H3
[InChIKey]

JEQSUJXHFAXJOW-UHFFFAOYSA-N
[SMILES]

O1C(C)=C(CO)OC1=O
Safety DataBack Directory
[Symbol(GHS) ]


GHS07
[Signal word ]

Warning
[Hazard statements ]

H315-H319-H335
[Precautionary statements ]

P261-P264-P271-P280-P302+P352-P304+P340-P305+P351+P338-P312-P332+P313-P337+P313-P362-P403+P233-P405-P501
[HS Code ]

2932990090
Hazard InformationBack Directory
[Definition]

4-(Hydroxymethyl)-5-methyl-1,3-dioxol-2-one can be reacted with oxalyl chloride to afford (5-methyl-2-oxo-1,3-dioxol-4-yl) methylglyoxal chloride, which provides for an alternative approach to introduce the (oxodioxolenyl) methylcarbamate group.
[Description]

4-(Hydroxymethyl)-5-methyl-1,3-dioxol-2-one is a reagent used in organic synthesis, particularly for the introduction of the non-chiral (oxodioxolenyl)methyl carbamate group to active pharmaceutical ingredients (APIs) to afford the corresponding pro-drug.
[Uses]

4-(Hydroxymethyl)-5-methyl-1,3-dioxol-2-one is used in preparation method of key intermediate of olmesartan medoxomil.
[Preparation]

At 20-25°C, 50 g of 4-chloromethyl-5-methyl-1,3-dioxol-2-one and 45 g of formic acid were added to 500 mL of acetonitrile. The reaction was cooled to 10-15°C followed by 95 g of triethylamine added. The mixture was heated to 60-65°C and stirred for approximately 5-6 h. The reaction system was subsequently cooled to 15-20°C, filtered, and washed with acetonitrile. Collecting filtrate, and the acetonitrile was removed under vacuum to concentrate the solution. The reaction system was again cooled to 25-30°C, and ethyl acetate and water were added. The mixture was then stirred for approximately 15-20 minutes at 25-30°C. Finally, 4-(Hydroxymethyl)-5-methyl-1,3-dioxol-2-one was obtained after further purification.
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