1,2-Dimethoxy benzene
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- Category :
Organic chemicals and Derivatives/Aroma compounds
- CAS NO : 91-16-7
- EC NO : 202-045-3
- Molecular Formula : C8H10O2
- Main Specifications : 99% min
- Synonyms : 1,2-Dimethoxybenzene;o-Dimethoxybenzene;ODMB;1,2-Dimethoxybenzen;
Package: 25kg，50kg 200kg
Uses : an important organic synthesis intermediate
Molecular Structure:
Product description:
What is the chemical of 1,2-Dimethoxy benzene?
Appearance: Colorless liquid or light yellow to light brown oily liquid ;
Assay：99%min by GC ;
IR Identity: conform to standard ;
HNMR： conform to standard ;
carbon spectrum: conform to standard ;
Water by K. F.:0.5% max or as per the customer’s request ;
Loss on drying:0.5% max. or as per the customer’s request ;
Boiling point: 206–207°C;
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purpose
Dimethyl ether is an important organic synthesis intermediate, mainly used in:
Pharmaceutical industry: used for synthesizing drugs such as berberine and verapamil.
Analytical reagents: used for detecting lactate in blood and measuring glycerol.
Spices and preservatives: intermediates used as spice ingredients or food additives.
Industrial production: used for manufacturing dyes, plastics, synthetic resins, etc.
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synthetic route
Dimethyl ether is mainly synthesized through the methylation reaction of catechol (or guaiacol), and common methods include:
Traditional methylation method: Reacting catechol with dimethyl sulfate or iodomethane under alkaline conditions.
Green synthesis method:
Using dimethyl carbonate as a methylation reagent, O-methylation is carried out under mild reaction conditions and with few by-products in the presence of catalysts such as ionic liquids or N-heterocyclic carbenes.
Using palladium/carbon catalytic system and magnesium and methanol as reduction systems, deoxymethylation of catechol derivatives is achieved.
Other methods include using efficient pathways such as dimethyl sulfide/dimethyl carbonate mixed systems and microwave-assisted synthesis
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