OSIET3 OSIEt3 metathesis OSIET, B

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

A:

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: (B) Starting with benzene and using any other necessary reagents of your choice, desig synthesis for…

A: The synthesis of the given compound is given below-

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: Draw the structure (including stereochemistry) of an alkyl chloride thatforms attached alkene as the…

A: The alkyl chloride should be such chosen that it forms the product as the one and only major…

Q: Locate ONE (1) stereogenic centre in each compound. With detailed working steps, draw and name the S…

A: ( iii ) Stereogenic centre : This is the carbon center , which is sp3 hybridised and is attached to…

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: A. What is the product of the following reaction? B. Explain why the stereochemistry at the…

A: trans-IrCl(CO)(PPh3)2 , the Vaska's  complex . It helps provide the conceptual framework for…

Q: The following trisaccharide derivative is important to human health. The stereochemistry of the…

A: In this question, we will see what is the stereochemistry on the anomeric carbon in ring-A.  You can…

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

A:

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: (−)-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: c) Provide the structures of all major products. Specify the stereochemistry where applicable and…

A:

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: Synthesize B from A keeping stereochemistry in mind: N 11 0 A OMe не

A: In this question, we will synthesized the final product B from the starting material A.  You can see…

Q: A. Arrange the following radicals in order of decreasing rate of bromination. Justify your answer.

A:

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 saccharide shown here is present in some plant-derived foods.            (a) Indicate the…

A: Given saccharide structure is:

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: Select the member of each pair that undergoes SN1 solvolysis in aqueous ethanol more rapidly

A: In SN1, the rate determining step is formation of carbocation and order of the substrate that…

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: 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: Bongkrekic acid is a toxic compound producted by Pseudomonas cocovenenans, and isolated from a mold…

A: If the higher priority group at one end of the double bond and the higher priority group at the…

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: (−)-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: 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: Write the IUPAC name and, where possible, the common name of each compound. Show stereochemistry…

A: Given,a compound and we are asked to write the common and IUPAC name for the given compound.

Q: Convert each ball-and-stick model to a skeletal structure that clearly shows the stereochemistry at…

A: Concept introduction: Decalin and its derivatives involve fusion of two six membered rings that…

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: (B1) The following Compound can undergo Signifiant Kefo-enol + possesses enhan ced enot form.…

A:

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.

Q: Draw the products of attached reaction carried out under high-dilutionconditions. Indicate the…

A: The product of the attached reaction should be drawn and the stereochemistry to be indicated.

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

A: Type of sigmatropic rearrangement represented by the given reactions has to be given,