OSIE, OSIET, metathesis OSIEt, в

Q: Bromide Bhas normal activity (for a secondary bromide) towards SN1 substitution, but A has much…

A:

Q: Draw the product formed from the ring-closing metathesis of each compound. Then, devise a synthesis…

A: The given compound is diene. The ring closing metathesis (RCM) by Grubbs catalyst occurs, when the…

Q: What is the major organic product obtained from the following reaction? A, B, C, or D?

A: Given that : We have to predict the major product of the following reaction :

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: 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: Dienynes undergo metathesis to afford fused bicyclic ring systems. (a) Explain how A is converted to…

A: The ring closing metathesis of between alkene and alkyne is as follows:

Q: What starting material is needed to synthesize each compound by a ringclosing metathesis reaction?

A: Ring closing metathesis :  In order to obtain the ring closing metathesis (RCM) , Grubbs catalyst is…

Q: Rank the attached alkenes in order of increasing stability.

A: The given alkenes are represented as follows:

Q: Draw the product(s) produced (only constitutional isomers, disregard stereoisomers) when the…

A:

Q: Farnesyl diphosphate is cyclized to sesquiterpene A, which is then converted to the bicyclic product…

A: The first step is the removal of the diphosphate group from farnesyl diphosphate. This results in…

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: Hydroxy aldehydes A and B readily cyclize to form hemiacetals. Draw the stereoisomers formed in this…

A: The formation of a cyclic hemiacetal is an acid catalyzed reaction. The cyclic hemiacetals formed by…

Q: which connection is more appropriate "a" or "b" a b ome b. why isobutyl chloride with FeCl3 and…

A:

Q: (−)-Hyoscyamine, an optically active drug used to treat gastrointestinal disorders, is isolated from…

A: (a) (-)-Hyoscyamine contains two hydrogens which are acidic, which are benzylic and alcoholic…

Q: ctured, You need your final alcohol products D a

A: Secondary alcohols can be produced by the organolithium reaction with aldehyde.

Q: What type of sigmatropic rearrangement is illustrated in each equation? a. b. D

A: Sigmatropic rearrangement reaction is one the important class of pericylic reactions. In this…

Q: Which heterocycles are aromatic? a. d. b.

A: The aromaticity of the given heterocyclic compounds can be determined by using Huckel rule. There…

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, complete racemization does not occur and a…

A: a.

Q: Click the "draw structure" button to launch the drawing utility. Draw a product formed when the…

A: The reagent i. BH3 ; ii .   H2O2, OH-, H2O  is used for hyration of alkene  where OH adds to more…

Q: D B.

A: A

Q: What type of sigmatropic rearrangement is illustrated in each equation?

A: The first rearrangement is an example of sigmatropic [1,3] rearrangement. In this rearrangement, the…

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

A: In this question, we want to draw major product for this Reaction by using wedge‑and‑dash bonds. How…

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: (A) Which is the anti-conformer of hexane in Newman projection? (B) Which is the equivalent…

A: Anti conformation: The most stable conformation in which the alkyl groups are at a dihedral angle of…

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

A: In the reaction, racemization of a methyl group linked to gamma -carbon atom takes place. For…

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

A: Given & To find:-

Q: What cyclic product is formed when each decatetraene undergoes thermal electrocyclic ring closure?

A: The number of electrons involved in the thermal electrocyclic ring closure or ring opening must obey…

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

A: First break the double bond present in product made after metathesis reaction and add =CH2 to each…

Q: Compound W shows stereoisomerism.

A:

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: What product is formed when A is treated with Grubbs catalyst underhigh-dilution conditions? This…

A: Grubb’s catalyst is useful for the synthesis of alkene formation from the two alkenes. When the…

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

A:

Q: Hydrogenation of alkene A with D2 in the presence of Pd-C affords a single product B. Keeping this…

A: (a) In the presence of mCPBA, alkene is oxidized to epoxide.  The oxygen is added to double bond…

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

A:

Q: What cyclic product is formed when each decatetraene undergoes thermal electrocyclic ring closure?

A:

Q: Dienynes undergo metathesis to afford fused bicyclic ring systems. (a Explain how A is converted to…

A: Metathesis: Inter change of the carbons of their double bonds when two alkenes react is known as…

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: What cyclic product is formed when each decatetraene undergoes photochemical electrocyclic ring…

A: a.

Q: Dienynes undergo metathesis to afford fused bicyclic ring systems. (a)Explain how A is converted to…

A: Metathesis: Inter change of the carbons of their double bonds when two alkenes react is known as…

Q: (−)-Hyoscyamine, an optically active drug used to treat gastrointestinal disorders, is isolated from…

A: (a) (-)-Hyoscyamine contains two hydrogens which are acidic, which are benzylic and alcoholic…

Q: β-Vetivone is isolated from vetiver, a perennial grass that yields a variety of compounds used in…

A: a.

Q: 3. Deduce the structures of A, B and C and reagent(s) D in reaction scheme shown below. What is the…

A: 1. Given substrate is an alkyl chloride (2-Chloro butane) with bulkier base like tertiary butoxide…

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

A: Given:

Q: Draw the product formed (including stereochemistry) in attached pericyclicreaction.

A: Electrocyclic reactions are a part of pericyclic reactions that occur in the presence of heat or…

Q: Hydrogenation of alkene A with D2 in the presence of Pd-C affords a single product B. Keeping this…

A: a.