Q: Why did you use potassium tert-butoxide as the base, as opposed to the “usual” Wittig base…
A: The Wittig reaction is an organic reaction used to convert a primary or secondary alkyl halide and…
Q: Give the number of cleavage of pyrope, almandine and spessartine?
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Q: Please explain why 2,4-Dinitrophenylhydrazine (DNPH) or Brady's reagent is red/orange coloured and…
A: Introduction: We have to tell why 2,4-Dinitrophenylhydrazine is red in colour .
Q: Which reagent, cinnamic acid or cinnamoyl chloride is more reactive in the ester synthesis? Give…
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Q: Give the reason(s) of the following statements: t-Butyl > isopropyl > ethyl > methyl for relative…
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Q: Explain why quick formation of a white precipitate upon treating a compound with saturated sodium…
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Q: Why reflux is used in this hydrolysis of the sodium benzoate to form benzoic acid?
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Q: What compounds would be best for coupling reaction with Arene Diazonium salts? Why is that?
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Q: Explain why the 2,4-dinitrophenylhydrazone is colored and the semicarbazide is not. The reason…
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Q: Explain the effect of protic solvents in SN1 Reaction.
A: The effect of protic solvents in the SN1 Reaction has to be explained below.
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Q: Compare the reactivity of following compounds for coupling reactions Phenol, p-nitro aniline,…
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Q: In the bromination of toluene, why is the reaction faster when using acetic acid as the solvent…
A: Bromination of toluene occurs by aromatic electrophilic substitution reaction.
Q: Why is Acetic Anhydride soluble in sulfuric acid?
A: In this question, we will discuss about why Acetic anhydride soluble in sulfuric acid. You can see…
Q: Compare the synthetic routes of an acid chloride reaction of benzoic acid reacted with ethanol and…
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Q: Write the mechanism for the reaction of acetyl chloride with two equivalents of ethylmagnesium…
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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:
Q: Which of the following statements are true regarding the relative electrophilicity of acetic…
A: The given molecule is acetic anhydride. Draw the structure of this compound.
Q: Propose a mechanism for the coupling of acetic acid and aniline using DCC as acoupling agent
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Q: Explain the Formation of the Electrophile in Friedel–Crafts Alkylation—Two Possibilities ?
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Q: What is needed to synthesize 2-methyl-benzophenone in a Friedel-Crafts acylation reaction.
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Q: Can Gattermann-Koch reaction be considered similar to Friedel Craft’s acylation? Discuss.
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Q: explain the SODIUM BOROHYDRIDE REDUCTION
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Q: Why would oxygen of carbonyl be protonated but not amide nitrogen in this reaction?
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Q: Addition of Ether in the Experiment of Assay of Sodium Benzoate, why?
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Q: is the diphenylmethane generated from friedel-crafts reaction with DCM solid or liquid?
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Q: Explain the following giving one example for each :(i) Reimer-Tiemann reaction.(ii) Friedel-Craft’s…
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Q: Comment on the similarities or differences on the delocalization between oxazole and pyrazole
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Q: Define Formation of the Electrophile in Friedel–Crafts Acylation ?
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Q: Write the mechanism for the Friedel Crafts Acylation reaction of ethylbenzene using acetyl chloride…
A: Given: The Friedel Crafts Acylation reaction of ethylbenzene using acetyl chloride and aluminum…
Q: Why is benzene diazonium chloride not stored and is used immediately after its preparation?
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Q: Why do you think a solvent mixture – ethyl acetate (an ester) and ligroin (a hydrocarbon) are used…
A: A solvent mixture- ethyl acetate (an ester) and ligroin (a hydrocarbon) are used in the pericyclic…
Q: Using aniline to perform a Friedel-Crafts acylation. However, the reaction failed and the aluminum…
A: Friedel Crafts reaction is an organic coupling reaction involving electrophilic substitution at the…
Q: Friedel-Crafts acylation
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Q: Why does polysubstitution frequently occur with friedel crafts alkylation but not with friedel…
A: Polysubstitution frequently occur with Friedel-Crafts alkylation but not with Friedel-Crafts…
Q: If phthalic anhydride is converted into phthalic acid how it will be again converted into anhydride…
A: How phthalic acid will be again converted into anhydride form has to be given,
Q: Friedel-Crafts acylation of p-xylene,
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Q: To what structural effect would you attribute the preference of methyl bromide over t-bromyl bromide…
A: To what structural effect would you attribute the preference of methyl bromide over t-bromyl bromide…
Q: Compare the IR of pure methyl nitrobenzoate with the IR obtained after Nitration
A: A question based on IR spectra, which is to be accomplished.
Q: Why is it important to use a clean and dry round bottom flask in the synthesis of acetanilide from…
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Q: Can acetyl chloride be used in place of acetic anhydride in the synthesis of acetanilide with…
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Q: Give the mechanism of the Julia olefination reaction with three examples.
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In the friedel-crafts acylation of anisole why is acetic anhydride used instead of acetyl chloride?
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- Explain why attempts to use esters for Friedel-Crafts acylation always lead to a complex mixture of alkylated and acylated products.Explain nucleophilic addition to the aldehyde to form analcohol ?Explain, by using words and structures, why when aniline is added to acetic anhydride and AlCl3 there is no product formed from a Friedel-Crafts reaction.
- In the electrophilic aromatic substitution reaction of acetanilide with bromine, is an intermediate resonance stabilized carbocation formed? Why or why not? Bromine is dissolved in glacial acetic acid. Thank you!What is the mechanism for the Friedel-Crafts Acylation of anisole and acetic anhydride?Draw the structure of methoxybenzene and explain which product will be formed as a result of the reaction with nitronium ion in electrophilic aromatic displacement reaction.
- Why is only one amide obtained from the reaction of acetyl chloride with an equivalent of ethylamineand an equivalent of triethylamine?A- What is the definition of acidity? B- Compare the acidity of ammonia and its aliphatic derivatives with of acidity pyrrole C- Melting points of pyrrole is higher than melting point of 1-methyl pyrrole explain your answer D- Why does pyrrole prefer electrophilic substitution reactions? E- Why Pyrrole is considered to be an aromatic compound ? F- Explain the Reimer-Tiemann reaction mechanism of heterocyclic compounds? G- Why pyridine is a weak base? explain your answer? H- Pyridine can react with electrophiles, electrophilic substitution ? explain your answer ? G- Explain the Diels–Alder reaction mechanism of heterocyclic compounds? I- From a-haloketone how can you prepared flowing compounds : Imidazole Oxazole Thiazole J- compared the acidity and basicity of Pyrazole and Imidazole with Pyrrole and Pyridine ?Why does benzaldehyde react slowly in a chromic acid test?
- Draw the structure of benzoic acid and explain which product will be formed as a result of the reaction with the nitronium ion in the electrophilic aromatic displacement reaction.Why is terbutyl chloride the organic phase and hydrochloric acid is the aqueous phase in the aliphatic nucleophilic substitution reaction between Terbutanol and HCl?At what position does Friedel Crafts Acylation occur