Reactions between Diazo Compounds and Hypervalent Iodine(III) Reagents

Area of Science:

• Organic Chemistry
• Synthetic Methodology

Background:

• Diazo compounds and hypervalent iodine(III) compounds are versatile reagents in organic transformations.
• Their nucleofugality enables unusual reaction pathways.
• Site-selective reactions are crucial for efficient synthesis.

Purpose of the Study:

• To systematically review recent advances in "cut and sew" transformations.
• To elaborate on the synthetic utility of combining diazo and hypervalent iodine(III) reagents.
• To highlight the potential of this strategy in organic synthesis.

Main Methods:

• Utilizing diazo compounds with controllable cleavage sites.
• Employing hypervalent iodine(III) compounds as key reagents.
• Focusing on site-selective "cut and sew" reaction mechanisms.

Main Results:

• Demonstrated successful combination of diazo and hypervalent iodine(III) reagents.
• Showcased the "cut" (leaving group departure) and "sew" (fragment reorganization) processes.
• Illustrated a wide range of unusual and valuable organic transformations.

Conclusions:

• The combination of diazo and hypervalent iodine(III) reagents offers a powerful strategy for organic synthesis.
• This approach enables site-selective transformations with high synthetic utility.
• Further development holds significant promise for creating novel molecular architectures.