1,2-Bis(2-broMoethoxy)benzene synthesis
- Product Name:1,2-Bis(2-broMoethoxy)benzene
- CAS Number:136383-33-0
- Molecular formula:C10H12Br2O2
- Molecular Weight:324.01
Yield:-
Reaction Conditions:
Stage #1: benzene-1,2-diolwith sodium hydroxide in ethanol at 50; for 2 h;
Stage #2: ethylene dibromide in ethanol; for 12 h;Reflux;
Steps:
1
catechol (11.000 g, 0. 100 mol), sodium hydroxide (8.000 g, 0. 200 mol) And 100 mL the ethanol was stirred at 50 ° C for 2 h and then 1,2- dibromoethane (56.358 g, 0.300 mol) was slowly added dropwise. The mixed solution was prepared at reflux for 12 h. The solvent was removed and the organic phase was extracted with water (50 mL) and the residue was extracted with ethyl acetate (3 x 50 mL). The extract was dried over anhydrous MgS04 and filtered. The solvent was removed to give the crude product which was recrystallized from ether Crystallization of 1,2-bis (2 bromoethyl) phenyl ether as a yellow solid.
References:
CN103497208,2016,B Location in patent:Paragraph 0045; 0046; 0049
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167638-32-6
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136383-33-0
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