Br Br2 HBr H,SO4 `N quinoline Br Br Br2 HBr N. н н indole 00

Q: Provide a plausible, stepwise mechanism to account for the following transformation. Use curved…

A: The mechanism can be shown as:

Q: The endiandric acids comprise a group of unsaturated carboxylic acids isolated from a tree that…

A: (a) The structures including stereochemistry of the methyl esters of endiandric acids D and E are…

Q: Draw the structure of C in the following reaction scheme, and show how C can be converted to D by a…

A:

Q: Provide the reagents necessary to complete the following transformation. Hint: be sure to use the…

A: In this question we have to tell the reagent used for the conversion of the given reaction.

Q: Complete the following reaction scheme. Give all product(s) and indicate major or minor and any…

A: Facts: Organic compound having OH, alkene .. + acid , then first form stable Carbaocation. After…

Q: Friedel-Crafts alkylation of benzene with (2R)-2-chlorobutane and AICI, affords sec-butylbenzene. a.…

A: a) The Friedel-Crafts alkylation of benzene with (2R)-2-chlorobutane and AlCl3 gives secondary…

Q: c) Which of the following bicyclic ring system can be prepared by an intermolecular Robinson…

A: Organic reactions  are chemical reactions  which is involving in the organic compounds  and the…

Q: Which of these isomers of trimethylbenzene will produce exclusively one monobrominated product when…

A: Given: From the below given three compounds A, B and C which are isomers of trimethylbenzene we need…

Q: Reaction of this bicycloalkene with bromine in carbon tetrachloride gives a trans dibro- mide. In…

A:

Q: Describe the following chemical reactions as SN1, SN2, E1 and W2. Draw a curved arrow mechanism for…

A:

Q: When generating a large library of compounds to use in molecular modeling and cheminformatics, it is…

A: The basic condition of tautomerism is the presence of acidic alpha hydrogen. The alpha hydrogen is…

Q: Terreic acid, shown below, is a naturally occurring antibiotic metabolite of the fungus Aspergillus…

A: Given molecule:

Q: The endiandric acids comprise a group of unsaturated carboxylic acids isolated from a tree that…

A: a). The structures including stereochemistry of the methyl esters of endiandric acids D and E are…

Q: Compound W shows stereoisomerism.  Why are such isomers formed in approximately equimolar…

A: The compound W show racemization. In racemization,optically active compound which contain only one…

Q: Draw the major organic product of the reaction. Indicate the stereochemistry via wedge-and-dash…

A: • Nucleophillic substitution SN2 reaction has the           following charactershics :-i if follow…

Q: Which of the following are achiral?  And identify the relationship between each of them. Ex. A-B,…

A: The first step in solving this problem is assigning the R,S configuration to each chiral center. For…

Q: In some nucleophilic substitutions under SN1 conditions, completeracemization does not occur and a…

A: (a)

Q: Consider the following chemical transformation: The transformation takes place via two sequential…

A: PERICYCLIC REACTIONS

Q: 3. Complete the following reaction scheme. Give all product(s) and indicate major or minor and any…

A:

Q: Draw all constitutional isomers formed in attached E2 reaction, and predict the major product using…

A: The regioselectivity of E1 and E2 elimination reactions is predicted using Zaitsev’s rule. According…

Q: Provide detailed reagents and conditions, in the correct sequence, required to form products B, C…

A: We have given the organic reaction and we have to find the reagent and conditions required to form…

Q: methyl

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

Q: Draw out the complete mechanism (curved arrow formalism) for the preparation of benz-alacetophene

A: Benzalacetophenone is also referred to as benzylideneacetophenone , Dibenzalacetone or Chalcone. It…

Q: The bicyclic heterocycles quinoline and indole undergo electrophilic aromatic substitution to give…

A: Resonance plays the jey role in describing the reaction mechanism of there heterocyclic compounds.

Q: (a) NaOEt heat (b) Br heat Br NaCN DMF (d) dil HCI

A:

Q: The bicyclic heterocycles quinoline and indole undergo electrophilic aromatic substitution to give…

A: (a) Here, the substitution does not occur on the ring which has a nitrogen atom since the lone pair…

Q: The transformation takes place via two sequential pericyclic reactions. Identify the two reactions…

A: Given & To find:-

Q: Deduce the structure of each compound from the information given. All unknowns in this problem have…

A: The organic reaction in which the unsaturated bonds of alkynes, alkenes and azo compounds are break…

Q: HO HOʻ OH OH ОН

A: E/Z conformation is nothing but some extension of cis and trans isomers which tells about…

Q: Which of the following bicyclic ring system can be prepared by an intermolecular Robinson…

A: Answer - Intermolecular Robinson annulation - The Robinson Annulation is the name for a process that…

Q: Provide a curved arrow mechanism and predict the product for the following SN2 reactions. NaCN

A: Given An equation representing the reaction between Chlorodecalin and NaCN, whose product is to be…

Q: Draw all constitutional isomers formed in attached E2 reaction, and predict the major product using…

A:

Q: (a) (b) HO (с) (d) -CO2H О (а), (b) О (Б), (с), (d) О (а), (d) О (а), (с), (d)

A:

Q: What compound undergoes metathesis to form each of the following compounds?

A:

Q: Addition of HCl to alkene X forms two alkyl halides Y and Z. Explain why addition of HCl occurs at…

A: Stability of carbocation=benzyl cation > allyl carbocation > 3° >2° > 1°

Q: Deduce the structure of each compound from the information given. All unknowns in this problem have…

A: The structure of the each compound from the given information has to be deduced.

Q: Explain why the C=C of an enol is more nucleophilic than the C=C of an alkene, despite the fact that…

A: The electron pair availability or nucleophilicity depend upon the two factors: 1. Resonance 2.…

Q: Friedel–Crafts alkylation of benzene with (R)-2-chlorobutane and AlCl3 affords sec-butylbenzene.a.…

A: Friedel – Crafts alkylation of benzene with (R) -2- Chlorobutane and AlCl3 gives Sec-butyl benzene.

Q: Give a mechanism for the following reaction. Indicate electron flow with arrows. Show the structures…

A: The addition of bromine to an alkene in a nonpolar solvent produces vicinal dibromo alkane.

Q: Which of the following substituents are meta directing in electrophilic aromatic substitution? A.…

A: The characteristic reaction of the aromatic compound is an aromatic electrophilic substitution…

Q: Five-membered aromatic heterocycles with one heteroatom undergo electrophilic substitutions…

A: Electrophilic substitution means electrophile will attack the position where electron density is…

Q: Draw all constitutional isomers formed in attached E2 reaction, and predictthe major product using…

A: The E2 elimination reaction involves the removal of halide and neighboring β hydrogen atom in the…

Q: Which of the following bicyclic ring systems can be prepared by an intermolecular Robinson…

A: Robinson annulation reaction is a chemical reaction which is used for ring formation. It occurs…

Q: Rank the compounds in order of increasing reactivity in electrophilic aromatic substitution. Briefly…

A: Aromatic electrophilic substitution reaction: Aromatic electrophilic substitution reactions are the…

Q: Draw all constitutional isomers formed in attached E2 reaction, and predict the major product using…

A: Given:

Q: Draw all the possible chair-like conformations of compounds 1-2. In the presence of a strong base,…

A: In this question we have clarify the proper reason for the formation of more stable product by the…

Q: In some nucleophilic substitutions under SN1 conditions, complete racemization does not occur and a…

A: (a)

Q: Provide a reasonable stepwise mechanism for the following transformation. Show the structure of any…

A: Solution: We know all kinds are are electron reached due to buy bonds so they can act as nucleophile…

Q: Classify the following sigmatropic rearrangement and determine whether it takes place readily under…

A: In Sigmatropic rearrangement a sigma bond undergoes rearrangement which is flanked by π-electrons.

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.