Oxobutanedioic acid synthesis
- Product Name:Oxobutanedioic acid
- CAS Number:328-42-7
- Molecular formula:C4H4O5
- Molecular Weight:132.07
142-45-0
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328-42-7
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Yield:328-42-7 78%
Reaction Conditions:
with water;di[triaqua{2,6-di(phenylthiomethyl)pyridine}ruthenium(III)] tri-sulphate; pH=2.0 at 80; for 12 h;Product distribution / selectivity;
Steps:
7
[Example 7]; 0.1 mmol of water-soluble acetylene carboxylic acids whose R1 is COOH and R2 is H in Fig. 1 (a) was mixed with 2 mL of aqueous solution containing 3.1 mg (2.5 µmol) of di[triaqua {2,6-di(phenylthiomethyl)pyridine} ruthenium (III)] 3-sulphate, and the mixture was reacted at the pH 2.0 at 80°C under argon atmosphere for 12 hours. The resulting mixture was condensed to give a product. The product was analyzed by 1H NMR.
References:
Japan Science and Technology Agency EP1932824, 2008, A1 Location in patent:Page/Page column 17; 19
636-61-3
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328-42-7
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138-08-9
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328-42-7
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765-87-7
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124-04-9
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328-42-7
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110-15-6
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617-48-1
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328-42-7
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