A Reaction of an Unknown Alkene with MCPBA in Dichloromethane

question 117

Multiple Choice

A reaction of an unknown alkene with MCPBA in dichloromethane followed by work-up with H₂O/H+ yielded, as the major product, a racemic mixture of (2S,3S) and (2R,3R) -3-methylpentan-2,3-diol. What is the specific structure of the alkene used in the reaction?

• A) (Z)-3-methylpent-2-ene
• B) (E)-3-methylpent- 2-ene
• C) 2-methylpent-2-ene
• D) 2,3-dimethylbut-2-ene
• E) none of the above

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Definitions:

Connective

A symbol or word used in logic to connect propositions or sentences, such as "and", "or", "if...then".

Symbolic Form

The representation of logical propositions using symbolic notation to express logical relationships.

Components

The constituent parts or elements that make up a larger system or compound.

Connective

In logic, a word or phrase that connects propositions in a compound sentence or indicates the relationship between them, such as "and", "or", "if...then".