Give a balanced equation for the reaction that includes both the oxidizing agent (benzil) and reducing...
- Give a balanced equation for the reaction that includes both the oxidizing agent (benzil) and reducing agent (NaBH4). In other words I do not want to see 4 R2C=O.
- Give a brief definition/explanation of reduction in terms of gain/loss of hydrogens, oxygen, and electrons.
- Sodium borohydride can be used in ethanol solutions to rapidly reduce aldehydes and ketones at room temperature. Even though lithium aluminum hydride (LiAlH4) is much more reactive than sodium borohydride (NaBH4) it can’t be used to reduce aldehydes and ketones in ethanol solutions. Explain why not?
- In the reduction of benzil, threeisomers of hydrobenzoin were produced. You only isolated the meso isomer. What happened to the 1R,2R, the 1S,2S isomers.
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Give a balanced equation for the reaction that includes both
the oxidizing agent (benzil) and reducing...
EXPERIMENT 11 THE MICROSCALE REDUCTION OF BENZIL WITH SODIUM BOROHYDRIDE INTRODUCTION Oxidation-reduction (redox) reactions occur in...
EXPERIMENT 11 THE MICROSCALE REDUCTION OF BENZIL WITH SODIUM BOROHYDRIDE INTRODUCTION Oxidation-reduction (redox) reactions occur in concert. One substance undergoes oxidation by donating electrons to another substance that is then reduced. In organic chemistry certain rules are followed in determining whether a particular substrate is being oxidized or reduced. Oxidation: The loss of hydrogen and/or gain of oxygen by a substrater Reduction: The gain of hydrogen and/or loss of oxygen by a substrate When an organic substrate is reduced, the...
EXPERIMENT 11 THE MICROSCALE REDUCTION OF BENZIL WITH SODIUM BOROHYDRIDE INTRODUCTION Oxidation-reduction (redox) reactions occur in...
EXPERIMENT 11 THE MICROSCALE REDUCTION OF BENZIL WITH SODIUM BOROHYDRIDE INTRODUCTION Oxidation-reduction (redox) reactions occur in concert. One substance undergoes oxidation by donating electrons to another substance that is then reduced. In organic chemistry certain rules are followed in determining whether a particular substrate is being oxidized or reduced. Oxidation: The loss of hydrogen and/or gain of oxygen by a substrate Reduction: The gain of hydrogen and/or loss of oxygen by a substrate When an organic substrate is reduced, the...
just the balanced equations for main reaction and side reaction with steps and major / minor...
just the balanced equations for main reaction and side
reaction with steps and major / minor products please and thank
you
can you create a balanced stereoselective mechanism
equation for both reactions using the 4tertbutyl starting base
equation from the 1st previous image for the primary reactions and
side reaction equations on the 2nd previous image. and can you also
include any major and minor products please and thank you
STEREOSELECTIVE REDUCTION OF 4-tert-BUTYLCYCLOHEXANONE OH 1. NaBH4, EtOH 2. H30+...
Fill in the table for me please!!! and what is the limiting reagent?? thanks!!! Background Sodium...
Fill in the table for me please!!! and what is the
limiting reagent?? thanks!!!
Background Sodium (or potassium) borohydride is a highly selective reagent that reduces aldehydes or ketones to the corresponding alcohels but normally does not reduce nitro, nitrile, olefinic, amide, carboxylic acid, or ester functional groups. The reagent is less reactive (i.e., more selective) than lithium aluminum hydr it may be used in aqueous or alcoholic solutions. Lithium aluminum hydride, on the other hand, reacts violently with such...
5) Rationalizing the stereochemical outc ome of this reaction requires an understanding of the f borohydride...
5) Rationalizing the stereochemical outc ome of this reaction
requires an understanding of the f borohydride borohydride lcohol.
An three-dimensional structure of benzoin and the general reaction
mechanism o reductions. As shown previously (10-1), the usual mode
of activation tor reduction occurs via an intermolecular H-bond
between the carbonyl group and an a intramolecular H-bond can
stabilize the lowest-energy conformation of benzoin (pre and serve
to activate the carbonyl for reduction, thus generating the
lowest-energyt state. a) Draw the lowest-energy,...
EXPERIMENT 11 THE MICROSCALE REDUCTION OF BENZIL WITH SODIUM BOROHYDRIDE INTRODUCTION Oxidation-reduction (redox) reactions occur in concert. One substance undergoes oxidation by donating electrons to another substance that is then reduced. In organic chemistry certain rules are followed in determining whether a particular substrate is being oxidized or reduced. Oxidation: The loss of hydrogen and/or gain of oxygen by a substrater Reduction: The gain of hydrogen and/or loss of oxygen by a substrate When an organic substrate is reduced, the...
EXPERIMENT 11 THE MICROSCALE REDUCTION OF BENZIL WITH SODIUM BOROHYDRIDE INTRODUCTION Oxidation-reduction (redox) reactions occur in concert. One substance undergoes oxidation by donating electrons to another substance that is then reduced. In organic chemistry certain rules are followed in determining whether a particular substrate is being oxidized or reduced. Oxidation: The loss of hydrogen and/or gain of oxygen by a substrate Reduction: The gain of hydrogen and/or loss of oxygen by a substrate When an organic substrate is reduced, the...
just the balanced equations for main reaction and side
reaction with steps and major / minor products please and thank
you
can you create a balanced stereoselective mechanism
equation for both reactions using the 4tertbutyl starting base
equation from the 1st previous image for the primary reactions and
side reaction equations on the 2nd previous image. and can you also
include any major and minor products please and thank you
STEREOSELECTIVE REDUCTION OF 4-tert-BUTYLCYCLOHEXANONE OH 1. NaBH4, EtOH 2. H30+...
Fill in the table for me please!!! and what is the
limiting reagent?? thanks!!!
Background Sodium (or potassium) borohydride is a highly selective reagent that reduces aldehydes or ketones to the corresponding alcohels but normally does not reduce nitro, nitrile, olefinic, amide, carboxylic acid, or ester functional groups. The reagent is less reactive (i.e., more selective) than lithium aluminum hydr it may be used in aqueous or alcoholic solutions. Lithium aluminum hydride, on the other hand, reacts violently with such...
5) Rationalizing the stereochemical outc ome of this reaction
requires an understanding of the f borohydride borohydride lcohol.
An three-dimensional structure of benzoin and the general reaction
mechanism o reductions. As shown previously (10-1), the usual mode
of activation tor reduction occurs via an intermolecular H-bond
between the carbonyl group and an a intramolecular H-bond can
stabilize the lowest-energy conformation of benzoin (pre and serve
to activate the carbonyl for reduction, thus generating the
lowest-energyt state. a) Draw the lowest-energy,...
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