Which of the Following Best Describes Cuprate Reagents

question 43

Multiple Choice

Which of the following best describes cuprate reagents?

• A)They are less nucleophilic than Grignard reagents and promote 1,4-addition of á,â-unsaturated carbonyls.
• B)They are more nucleophilic than Grignard reagents and promote 1,4-addition of á,â-unsaturated carbonyls.
• C)They are less nucleophilic than Grignard reagents and promote 1,2-addition of á,â-unsaturated carbonyls.
• D)They are more nucleophilic than Grignard reagents and promote 1,2-addition of á,â-unsaturated carbonyls.

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Definitions:

NADPH

Nicotinamide adenine dinucleotide phosphate, a coenzyme involved in anabolic reactions, such as lipid and nucleic acid synthesis, and the antioxidant defense system.

Electrons Needed

Refers to the requirement of electrons in various chemical reactions and processes, such as those in cellular respiration and photosynthesis.

NADPH Formed

The production of Nicotinamide Adenine Dinucleotide Phosphate, a critical cofactor in anabolic reactions, during cellular metabolic processes.

Thylakoid Lumen

The inner space of the thylakoids, where the light-dependent reactions of photosynthesis occur.