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How can I preparae methylethylketoxime from the reaction between MEK and hydroxylamine hydrochloridde?
Wiki User
∙ 11y ago
Normally you just take equimolar amounts of both, add a weak base and stir for a certain time (probably with slightly higher temperature). Because it's a liquid you could extract it after the reaction with MTBE or so, evaporate the solvent and distill under reduced pressure or just take a column for purification.
Excerpt:
"Formaldoxime. A mixture of 11.5 g. (0.38 mole) of paraformaldehyde and 26.3 g. (0.38 mole) of
hydroxylamine hydrochloride in 170 ml. of water is heated until a clear solution is obtained. Then there
is added 51 g. (0.38 mole) of hydrated sodium acetate, and the mixture is boiled gently under reflux for
15 minutes to give a 10% solution of formaldoxime."
Organic Syntheses, Coll. Vol. 5, p.139 (1973); Vol. 46, p.13 (1966).
OR:
"In a 5-l. two-necked flask, fitted with a mechanical stirrer, a reflux condenser, a thermometer, and a
separatory funnel, are placed an aqueous solution of 348 g. (5 moles) of hydroxylamine hydrochloride
(Org. Syn. Coll. Vol. I, 1941, 318) in 600 cc. of cold water and 460 g. (4 moles) of heptaldehyde (Note
1). Stirring (Note 2) is started, and a solution of 265 g. (2.5 moles) of anhydrous c.p. sodium carbonate
in 500 cc. of water is added at such a rate that the temperature of the reaction mixture does not rise
above 45°. Stirring is continued at room temperature for an hour after the addition of the sodium
carbonate solution is complete."
Organic Syntheses, Coll. Vol. 2, p.313 (1943); Vol. 11, p.54 (1931).
- It should be quite the same with MEK - so just have a try!
Wiki User
∙ 11y ago
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What is the equation of the reaction between N2H4 and N2O4?
4nh3 + 5o2 --> 4no + 6h2o
What is the product of reaction of benzaldehyde with hydroxylamine?
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one of them has the OH group in its right hand butanother has it on the left hand. but i wanna know what is their name
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Normal reaction happens when the reaction is normal. Abnormal reaction happens when the reaction is abnormal.
When energy is absorbed during a chemical reaction the reaction is classified as what reaction?
endothermic reaction
What is the equation of the reaction between N2H4 and N2O4?
4nh3 + 5o2 --> 4no + 6h2o
What is the product of reaction of benzaldehyde with hydroxylamine?
Benzaldehyde and hydroxylamine will produce oxime ethers. Oxime is any of a class of organic compounds, of general formula RR'C=NOH, derived from the condensation of an aldehyde (R' = H) or ketone with hydroxylamine.
Acetophenone on reaction with hydroxylamine can produce two isomeric oximes write structures of oximes?
one of them has the OH group in its right hand butanother has it on the left hand. but i wanna know what is their name
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Normal reaction happens when the reaction is normal. Abnormal reaction happens when the reaction is abnormal.
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It would be a catabolic reaction or decomposition reaction.
Why initial reaction is required to minus from final reaction?
The initial reaction is required to be subtracted from the final reaction to get the net reaction.
When energy is absorbed during a chemical reaction the reaction is classified as what reaction?
endothermic reaction
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reversible reaction
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What chemical reaction that can proceed forward or backward is a?
You think probable to a reversible reaction.
What are types of chemical reaction?
1 combination reaction. 2. displacement reaction. 3.decomposition reaction. 4.displacement reaction.
