1,4-Benzenedimethanol synthesis
- Product Name:1,4-Benzenedimethanol
- CAS Number:589-29-7
- Molecular formula:C8H10O2
- Molecular Weight:138.16
623-24-5
313 suppliers
$6.00/1g
589-29-7
336 suppliers
$5.00/5g
Yield:589-29-7 80%
Reaction Conditions:
with water;sodium carbonate in 1,4-dioxane at 80; for 3 h;Solvent;Reagent/catalyst;Temperature;
Steps:
3 synthesis of 1,4-benzenedimethanol
100 g (0.38 mol) of 1,4-bis (bromomethyl) benzene,30g sodium carbonate,1000 g of soft water is mixed with 300 g of 1,4-dioxane,Heated to 80 for about 3 hours,Adding sodium carbonate aqueous solution and weakly alkaline,Most of the solvent of the organic layer was removed via the gyrotron concentrator.The crude product was extracted with ethyl acetate (400 g x 2 times)The organic layer was removed via a gyrotron concentrator to give 47 g of crude terephthalate.Para-xylylene crude product was recrystallized from ethyl acetate and cyclohexane to obtain 42g of high purity terephthalic acid product (yield 80.0%, purity 99.3%).
References:
Changxing Chemical Industry (China) Co., Ltd.;Chen Zhian;Li Junqin CN107324971, 2017, A Location in patent:Paragraph 0139-0174
636-09-9
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$32.29/10g
589-29-7
336 suppliers
$5.00/5g
623-27-8
502 suppliers
$5.00/10g
589-29-7
336 suppliers
$5.00/5g
120-61-6
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$6.00/25g
589-29-7
336 suppliers
$5.00/5g
106-42-3
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$18.00/25ML
589-29-7
336 suppliers
$5.00/5g