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[ CAS No. 27132-23-6 ] {[proInfo.proName]}

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Cat. No.: {[proInfo.prAm]}
Chemical Structure| 27132-23-6
Chemical Structure| 27132-23-6
Structure of 27132-23-6 * Storage: {[proInfo.prStorage]}
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Product Details of [ 27132-23-6 ]

CAS No. :27132-23-6 MDL No. :MFCD00008444
Formula : C9H16O4 Boiling Point : -
Linear Structure Formula :- InChI Key :-
M.W : 188.22 Pubchem ID :-
Synonyms :

Safety of [ 27132-23-6 ]

Signal Word:Warning Class:N/A
Precautionary Statements:P210-P280-P370+P378-P403+P235-P501 UN#:N/A
Hazard Statements:H227-H302 Packing Group:N/A
GHS Pictogram:

Application In Synthesis of [ 27132-23-6 ]

* All experimental methods are cited from the reference, please refer to the original source for details. We do not guarantee the accuracy of the content in the reference.

  • Downstream synthetic route of [ 27132-23-6 ]

[ 27132-23-6 ] Synthesis Path-Downstream   1~4

  • 1
  • [ 51304-64-4 ]
  • [ 27132-23-6 ]
  • [ 91972-27-9 ]
  • 2
  • [ 27132-23-6 ]
  • [ 816-11-5 ]
YieldReaction ConditionsOperation in experiment
93% With benzoic acid at 200℃; for 16h;
92% With stearic acid at 200℃; for 16h;
92% With stearic acid at 200℃; for 16h; other reagents, other catalysts;
  • 3
  • [ 872-45-7 ]
  • [ 27132-23-6 ]
  • [ 816-11-5 ]
YieldReaction ConditionsOperation in experiment
With sodium chloride In water 10 EXAMPLE 10 EXAMPLE 10 56.4 g (0.3 mol) of diethylmalonic acid dimethyl ester, 60 ml of 1-oxo-1-methyl-phospholine, 20 g of sodium chloride and 12 g of water were heated to 175° C. for 12 hours. After cooling, the mixture was distilled in vacuo. 59.6 g of a distillate were obtained which consisted of water, methanol and diethylacetic acid methyl ester. The distillate was diluted with 100 ml of water and extracted three times with 150 ml of methylene chloride and the combined organic phases were dried with sodium sulphate and fractionally distilled under normal pressure. Yield: 38.5 g (89% of theory) of diethylacetic acid methyl ester. Boiling point 122°-134° C./760 mm Hg.
  • 4
  • [ 1003-09-4 ]
  • [ 31161-46-3 ]
  • [ 27132-23-6 ]
  • [ 98-88-4 ]
  • sodium methyl diethylmalonate [ No CAS ]
YieldReaction ConditionsOperation in experiment
With aluminium trichloride; In N-methyl-acetamide; methylene chloride,between; EXAMPLE 1 Preparation of the 5-benzoyl-α-methyl-2-thiopheneacetic acid. 3.420 kg of benzoyl chloride are slowly added to a suspension of 3.250 kg of aluminum trichloride in 12 kg of methylene chloride,between 10 and 20 C. At the end the mixture is stirred for 10 minutes and then 3.600 kg of 2-bromothiophene are slowly added between 0 and 5 C. The mixture is stirred for 1 hour at 15 C and then it is poured into a mixture of ice, water and hydrogen chloride. The organic phase is separated and dry concentrated and the residual product is crystallized from sec-butanol and dried. 5.500 kg of 5-benzoyl-2-bromothiophene with m.p. 73-75 C and HPLC purity > 99% are obtained. Yield equal to 92.7%. 260 of methyl diethylmalonate are slowly added, maintaining the temperature between 10 and 20 C, to a suspension of 54 g of sodium hydride at 60% in 600 g of dimethylformamide. At the end the mixture is stirred for 2 hours at 20 C in order to complete the formation of the sodium methyl diethylmalonate.
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