4. Provide a arrow pushing mechanism for the following transformation. H3O+ Br2

Q: HO,

A:

Q: OH Br CH3 CH3 CH CH3 aq. H2SO4. Br2 -or- CH3 CH3 H20 option #1 option #2

A:

Q: provide complete synthetic route for transformation please

A: In this question, we will complete the synthetic route for the give transformation from the starting…

Q: 1. 98% H2SO4 Ме OMe Br- -78 °C 2. Li e ČO,Me OMe -78 °C-rt, THF

A: Robinson annulation followed by Quasi-favorskii reaction will give the desired product.

Q: There is a missing reagent, provide a structure for it.

A: Dehydration means water get removed from molecule and alkenes are organic compounds containing…

Q: OH лауа 5-ба ОН CN

A: Here we to write the reagents necessary to convert the given starting material to target compound…

Q: OH + En HBr Br, peroxides H,O

A:

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

A:

Q: In each case below select the synthetic procedure that could be used to carry out the transformation…

A: Alkene is nucleophilic center which is attacked by an electrophile reagent and this reaction is…

Q: Which of the following carbocations would you expect to rearrange? B, E CH3 A CH3 CH3CCH₂CH3 D A CH3…

A: To solve this problem we have to identify the carbocation which will rearrange it self.…

Q: Devise a stepwise mechanism for the following reaction.

A: This is an example of Dienone – Phenol rearrangement where from secondary carbocation to tertiary…

Q: i.BH3, THF i.KMNO4, HO", heat Compound A Compound B ii. H2O2,OH¯ ii. H;0* он HO B он B OH B OH HO.

A:

Q: heat B

A: An arrow always depicts from a region of high electron density to low electron density ; that is…

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

A:

Q: Н. H

A: Due to greater electronegativity of nitrogen as compared to carbon , the proton attached to nitrogen…

Q: Bn 10 mol % E3N, E:OH OMe Reactant 2 OMe O:

A: Applying concept of organic synthesis by using carbene reagent.

Q: II

A: The given reaction is an example of hyfrogenation reaction.

Q: NaOH

A: The base will first abstract the proton from alpha carbon of the carbonyl, and it forms an enolate…

Q: с. ano H+ HO, HO

A:

Q: i. O3, ii. PPh3 CH2CI2 H

A: The mechanism is as follows:

Q: CH3CH₂C=CH CEC 1) NaNH2 2) PhCH₂Br Na x H₂ Lindlar's catalyst Br

A: The reactions of alkynes with different species are given. The products and mechanism are given…

Q: H2SO4 H2O HO. H + ОН <

A:

Q: Devise a stepwise mechanism for the following reaction.

A: Please find below the reaction mechanism

Q: 2) Draw the complete curved arrow pushing mechanism for the following reactions. CO₂Et NaOH NH, CH3…

A:

Q: O2N. NO2 H2O2 0-0 NO2 NO2 В A

A: This is an example of addition-elimination reaction

Q: MeO₂C CO₂Me 1. Reagents 2. Reaction Conditions 3. Mechanism CH3 O OH

A:

Q: OH CH3 H* H;CH,C ´OH

A: The reaction taking place is given as,

Q: a. b. 2x 1. NaOCH3 2. H₂0+ 1. NaOCH3 2. CH3 Br

A:

Q: CH;CI b. CH3CECNa 1. H2C=0 CH;C=CNa 2. H30* С.

A:

Q: Mechanism. Draw complete arrow-pushing mechanisms for the following reactions.

A:

Q: d

A: This is sulphonation and iodination of benzene

Q: 6. Draw the complete curved arrow mechanism and major c a) b) 1) Hg(OAc)2, H₂O, THF 2) NaBH4, OH 18…

A:

Q: Provide a stepwise curved arrow mechanism for the following reaction. HO LCH₂CH₂ CH₂CH3 H₂SO4 N…

A: The given reaction is an example of rearrangement reaction.In this reaction ring expansion is formed…

Amines

Amines are organic compounds with a nitrogen atom having a lone pair of electrons on it. They are derived from ammonia (NH3) wherein hydrogen atoms are substituted by an aryl or alkyl group.