c) Study the following reaction scheme for the preparation of a natural glycoside(compound 7) and answer the questions that follow:OHOAcНоexcess Ac20AcOpyridine, 0°CHO-Но.AcO--OAc`0AcHOCompound 3Compound 4HBrOCH3OAcOAcAcO'AcOAcOAcO-OAcOAcCompound 6Compound 5BrNaOH, H2OOCH3ОнHOНОCompound 7ii.Identify the unknown reagent(s) in the reaction scheme which converts compound 5 tocompound 6.

We have to give the reagents those are required for the conversation compound 5 to compound 6.

c) Study the following reaction scheme for the preparation of a natural glycoside (compound 7) and answer the questions that follow: OH OAc excess Ac,0 AcO´ НО HO pyridine, 0°C -OH AcO -OAc OH `OAc Compound 3 Compound 4 HBr OCH3 OAc OAc AcO AcO AcO AcO- OAc OAc Compound 6 Compound 5 Br NaOH, H2O OCH3 OH НО HO Compound 7

c) Study the following reaction scheme for the preparation of a natural glycoside (compound 7) and answer the questions that follow: OH OAc excess Ac,0 AcO´ НО HO pyridine, 0°C -OH AcO -OAc OH `OAc Compound 3 Compound 4 HBr OCH3 OAc OAc AcO AcO AcO AcO- OAc OAc Compound 6 Compound 5 Br NaOH, H2O OCH3 OH НО HO Compound 7

Organic Chemistry

9th Edition

ISBN:9781305080485

Author:John E. McMurry

Publisher:John E. McMurry

Chapter21: Carboxylic Acid Derivatives: Nucleophilic Acyl Substitution Reactions

Section21.SE: Something Extra

Problem 41MP

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