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Select the keyword or phrase that will best complete each sentence. When hydroge

ID: 992244 • Letter: S

Question

Select the keyword or phrase that will best complete each sentence.

When hydrogenation of two alkenes produce the same alkane, thhe more stable _____

Anti dihydroxylation is achieved in two steps-______ followed by opening of _______

Epoxidation with the Sharpless reagent DET adds an oxygen atom from ______ the plane, While DET adds an oxygen atom from _____ the ______.

Primary alcohols are oxidized to ______ under milder reaction conditions such ______

During the reduction of an alkyne, adding equivalent of H2 in a syn fashion______

The sharpless epoxidation is an enantioselective reaction the oxidizes alkenes to epoxides, however only the double bonds of _____ alcohols are oxidized.

Explanation / Answer

When hydrogenation of two alkenes produce the same alkane, the more stable hydrocarbon product.

Anti dihydroxylation is achieved in two steps- epoxidation followed by opening of opoxide

Epoxidation with the Sharpless reagent DET adds an oxygen atom from below the plane, While DET adds an oxygen atom from above the plane

Primary alcohols are oxidized to aldehyde under milder reaction conditions such reaction can be done by using PCC or IBX reagents.

During the reduction of an alkyne, adding equivalent of H2 in a syn fashion cis alkene will be formed.

The sharpless epoxidation is an enantioselective reaction the oxidizes alkenes to epoxides, however only the double bonds of allylic alcohols are oxidized.

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