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- In some nucleophilic substitutions under SN1 conditions, complete racemization does not occur and a small excess of one enantiomer is present. For example, treatment of optically pure 1-bromo-1-phenylpropane with water forms 1- phenylpropan-1-ol. (a) Calculate how much of each enantiomer is present using the given optical rotation data. (b) Whichproduct predominates—the product of inversion or the product of retention of conguration? (c) Suggest an explanation for this phenomenon.In some nucleophilic substitutions under SN1 conditions, complete racemization does not occur and a small excess of one enantiomer ispresent. For example, treatment of optically pure 1-bromo-1phenylpropane with water forms 1-phenylpropan-1-ol. (a) Calculate how much of each enantiomer is present using the given optical rotation data. (b) Which product predominates—the product of inversion or the product of retention of configuration? (c) Suggest an explanation for this phenomenon.Explain how substituents on thearomatic ring promote substitutionat some positions but not at others
- In some nucleophilic substitutions under SN1 conditions, complete racemization does not occur and a small excess of one enantiomer is present. For example, treatment of optically pure 1-bromo-1-phenylpropane with water forms 1-phenylpropan-1-ol. (a) Calculate how much of each enantiomer is present using the given optical rotation data. (b) Which product predominates—the product of inversion or the product of retention of configuration? (c) Suggest an explanation for this phenomenon.fill in the blanks. where appropriate, write the major product with proper stereochemistryAssign every stereo center in callyspongiolide as either R or S using CIP notation
- Provide the major product of the reaction sequence. If cis/trans isomers are possible, draw only the major isomer. If enantiomers are possible, do not specify configuration.In some nucleophilic substitutions under SN1 conditions, completeracemization does not occur and a small excess of one enantiomer ispresent. For example, treatment of optically pure 1-bromo-1-phenylpropane with water forms 1-phenylpropan-1-ol. (a) Calculate how much of each enantiomer is present using the given optical rotation data.(b) Which product predominates—the product of inversion or the product of retention of configuration? (c) Suggest an explanation for this phenomenon.Draw the products of this reduction of a ketone with sodium borohydride. Use a dash or wedge bond to indicate the stereochemistry of substituents on asymmetric centers, where applicableIgnore any inorganic byproducts.
- Give the MAJOR PRODUCT/S of the following reactions. Include stereochemistry (wedges and dashes) asappropriate. Draw all major enantiomers and diastereomers.Draw the (pericyclic) reaction (reaction 1), including all mechanistic steps, that lead from the starting materials to the intermediate product. Show all isomers that can be formed and provide an explanation as to why that is. Determine the configuration of all chiral centers. I included the molecule, the retrosynthesis of the molecule, and reaction 1 to help solve this question.Discuss comprehensively why -Cl and -NO2 aredeactivators and why -Cl is a weak and -NO2 astrong deactivator?