avobenzone

Q: How would you convert cyclohexanone into each compound using any required inorganic reagents and…

A: a.

Q: The analgesic naproxen can be prepared by a stepwise reaction sequence from ester A. Using enolate…

A: SOLUTION: Step 1: The compound A on treating with lithium diisobutylamine (LDA) then carbanion is…

Q: HO

A:

Q: Treatment of α,β-unsaturated carbonyl compound X with base forms the diastereomer Y. Write a…

A: In this reaction, racemization of the methyl group linked to γ H is taking place. Racemization is a…

Q: Why is cycloprop-2-enone more polar than cyclopropanone?

A: Aromaticity : Huckel's rule: Any organic compound to obey aromatic character  1. It should be…

Q: Leptospermone is a herbicide produced by the bottlebrush plant. Draw all possible mono enol…

A:

Q: Which pair of compounds would be synthetically useful when treated with NaOH? CHO

A:

Q: Dibenzalpropanone is a compound that can absorb UV rays and can be used as a sunscreen. Write down…

A: Reagents used to synthesize dibenzalpropanone is given below

Q: Pyrrole reacts with excess para-(N,N-dimethylamino)benzaldehyde to form a highly colored compound.…

A: The structure of the product has to be given.

Q: Explain the general reaction of enolates—reaction with other carbonyl compounds ?

A: Applying concept of aldol reaction.

Q: Draw the enol tautomers for the attached compound. For compound that have more than one enol…

A: Given compound,

Q: What carbonyl compound and what phosphonium ylide are needed to synthesize the Attached compound?

A:

Q: Draw the nucleophilic attack of the thiamine ylide on a molecule of benzaldehyde. Use proper…

A:

Q: Which compound would you expect to have a greater dipole moment, methyl acetate or butanone? a.…

A: Since we will have a resonance in the methyl acetate between the 2 O atoms. hence due to this…

Q: Devise a synthesis of each compound from aniline (C6H5NH2).

A: The substitution on aniline is achieved via Friedel-Crafts reaction. The amine group present in…

Q: This question has multiple parts. Work all the parts to get the most points. The Stork reaction is a…

A:

Q: Draw a stepwise mechanism for the formation of A from an alcohol and acid chloride. A was converted…

A: Since the alcohol group is having lone pair electrons and hence can attack on  electrophile And…

Q: Does this have the ability to form a hemiacetal or acetal if methanol is added in the presence of…

A: Aldehydes and ketones undergoes acetalization in presence of alcohol and acid catalyst.

Q: Draw a stepwise mechanism for the formation of A from an alcohol and acid chloride. A was converted…

A: Since the alcohol group is having lone pair electrons and hence can attack on electrophile. Since,…

Q: Two naturally occurring compounds that contain stable cyclic hemiacetals and acetals are monensin…

A: In acetal group , two ether linkages are present on the same carbon. In hemiacetal, one ether…

Q: methyl

A: The above given reaction is an example of Friedel-Crafts alkylation reaction. Methyl chloride(CH3Cl)…

Q: Describe the following chemical reactions as SN1, SN2, E1, and E2. Draw a curved arrow mechanism for…

A:

Q: Draw a stepwise mechanism for the conversion of lactone A to ester B using HCl in ethanol. B is…

A: In the first step of the mechanism the carbonyl group undergoes protonation followed by attack of…

Q: PROPOSE A POSSIBLE SYNTHESIS FOR THE GIVEN TRANSFORMATION

A:

Q: (a) What product is formed by the Claisen rearrangement of compound Z? (b) Using what you have…

A:

Q: Acetanilide is less reactive than aniline toward eletrophilic substitution. Explain.

A:

Q: Write the structure of the Maleic Anhydride compound and label each non-equivalent carbon with a…

A: The structure of the Maleic Anhydride is shown as follows:

Q: c) d)

A:

Q: Fluorination of a benzene ring can be accomplished with Selectfluor, a reagent that contains a…

A: Electrophilic-aromatic substitution comprises attack of benzene's pi bond on existing electrophile…

Q: Explain why compound A does not undergo an E2 elimination with strong base.

A: For the structure to be more stable it has to have the bulky phenyl group in the equtorial position.…

Q: (a) Which of the following phenols is the least acidic? (b) Which of the following phenols is the…

A: In phenols on increasing the electron donating groups like methyl or methoxy at para or ortho…

Q: When a carbonyl compound is attacked by a nucleophile resulting in the formation of a new…

A: In the carbonyl compound nucleophilic addition reaction occurs.

Q: Draw the product obtained by heating each pair of ketones in a basic solution.

A: Robinson annulation is Michael addition reaction followed by intra molecular Aldol condensation to…

Q: Acetal product formation is difficult since hemiacetals are stable while acetals are not. True False

A: The question is based on the concept of organic reactions. we have to determine the stability of…

Q: Explain why acetanilide is less reactive toward electrophilic substitution than aniline.?

A:

Q: Draw a stepwise mechanism for the following reaction, a key step in the synthesis of ticlopidine, a…

A: The reaction of the carbonyl group with one mole of alcohol in the presence of the acid catalyst…

Q: a. Which ether is most apt to form a peroxide? b. Which ether is least apt to form a peroxide?

A: Peroxide is a class of organic compounds with two oxygen atoms bonded via a single bond. The bond…

Q: Which of the following does not undergo conjugate addition with butanamine? a. Propenal  b.…

A: The double bonds separated by one single bond are known as conjugated double bonds. If the…

Q: Which carbonyl compound in each pair exhibits the higher percentage of the enol tautomer?

A:

Q: (a) What product is formed by the Claisen rearrangement of compound Z? (b) Using what you have…

A: Introduction: Claisen rearrangement is one of the most important reaction for the formation carbon…

Q: Which carbonyl group in each pair absorbs at a higher frequency?

A:

Q: Which of the following undergoes a substitution reaction with sodium cyanide in DMSO at the fastest…

A:

Q: Draw a stepwise mechanism for the following reaction: H,SO, Part 1: A. HSO, B. H,SO, C. H,0 view…

A: The reaction taking place is given as,

Q: Two naturally occurring compounds that contain stable cyclic hemiacetals and acetals are monensin…

A: Carbonyl compounds and imide generally undergo a process called tautomerization. Tautomerization is…

Q: According to the pharmacopoeia, the diphenylamine reaction is an authenticity reaction to? A)…

A: Sodium nitrite (NaNO2) is an  oxidising agents oxidise diphenylamine giving deep blue colour.

Q: From benzaldehyde, compunds of 2 carbons or less, and any inorganic reagent you want synthesize the…

A:

Q: Explain why tetrahydrofuran has a higher boiling point and is much more water soluble than furan,…

A: The physical properties of any molecule can be easily determined by applying the facts of the Vander…

Alkynes

Alkynes are organic compounds that contain at least one triple bond between carbon-carbon atoms. They are a series of unsaturated compounds with a general molecular formula, CnH2n-2.