Why are the starting materials (Triphenyl Phosphine and Benzyl Chloride) soluble in xylene but the product (phosphonium salt) is not soluble in xylene?
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Q: Why the reaction of phenol and ICl does not yield 4-chlorophenol but 4-iodophenol only?
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Q: What mechanism does the reaction between benzyl chloride and triphenylphosphine go by?
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Q: Why is pyridine added to the following reaction?
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Q: why it is not a good idea to use dichloromethane as a solvent in Grignard reactions.
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Q: Why is methyl m-nitrobenzoate formed in this reaction instead of the ortho or para isomers?
A: Why is methyl m-nitrobenzoate formed in this reaction instead of the ortho or para isomers:
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Q: H )=C- maleic anhydride (dienophile) anthracene (adduct) (diene)
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Q: Explain the Reaction of Organometallic Reagents with Epoxides ?
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Q: Why can aniline not be brominated directly to 4-bromoaniline?
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Why are the starting materials (Triphenyl Phosphine and Benzyl Chloride) soluble in xylene but the product (phosphonium salt) is not soluble in xylene?
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- Would it be favorable to get a 1,4-adduct of anthracene and maleic anhydride? Why or why not? If the 1,4-adduct of anthracene and maleic anhydride had formed, would it have different exo and endo isomers?Sodium Borohydride + Vanillin Explain why the product is soluble in aqueous NaOH, but precipitates upon addition of HCl?Acid-base extraction :benzoic acid, p-nitroaniline and azobenzene in dichloromethane. 1.why is anhydrous sodium sulphate added to the organic solution? 2. Why was the water used for washing the precipitates on the funnels specified to be cold? 3. Why are the acidic extracts and basic extracts cooled before neutralization?
- Why the reaction of phenol and ICl does not yield 4-chlorophenol but 4-iodophenol only?I have questions about p-nitroaniline: Why we are not starting from aniline but from acetanilide What is a protecting group? What are the important characteristics of the protecting groupWhy was it important to keep the dioxolane derivative (an acetal) cold and dry after it was formed?
- Why does benozic acid dissolve in toulene but not hexane?Observe the reaction of aromatic aldehyde benzaldehyde with diluted permanganate solution and with fehling's solution. Write the equation for each reaction. How do these results differ from reaction of the given reagents with aliphatic aldehyde?Why is pyridine added to the following reaction?
- Draw the resonance forms of the carbocation formed during electrophilic aromatic substitution of aniline that show why it is a para directorwhy it is not a good idea to use dichloromethane as a solvent in Grignard reactions.Why aryl bromide is a bad starting material for an electrophilic aromatic substitution? What is different about a nucleophilic aromatic substitution that allows this reagent to be a useful starting material for that reaction?