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2-Propenoic acid, 3,3'-(1,3-phenylene)bis- synthesis
1synthesis methods
- Product Name:2-Propenoic acid, 3,3'-(1,3-phenylene)bis-
- CAS Number:37710-81-9
- Molecular formula:C12H10O4
- Molecular Weight:218.21
Yield:37710-81-9 96%
Reaction Conditions:
with pyridine in toluene at 80; for 3 h;
Steps:
Add 170 ml of toluene to 1 liter of the flask,And then added 3,4 grams of isophthalaldehyde,229 grams of malonic acid and 4 grams of pyridine,Stir evenly,Heating up to 80 degrees,Reaction for 3 hours,The liquid phase is traced until the peak area of the m-xylylene is less than 0.5%.After cooling to 25 degrees,filter,Dried to give 210 g of a white powdery solid,Purity 98.2%Yield 96%;
References:
CN105622307,2016,A Location in patent:Paragraph 0018