Programmable Ether Synthesis Enabled by Oxa-Matteson Reaction.

Area of Science:

• Organic Chemistry
• Synthetic Methodology
• Boron Chemistry

Background:

• Matteson-type reactions are valuable for constructing complex organic molecules through iterative synthetic strategies.
• Current Matteson-type reactions primarily rely on the homologation of carbon chains, limiting their scope.
• A need exists for novel synthetic methods that expand the diversity of accessible molecular architectures.

Purpose of the Study:

• To develop a novel oxa-Matteson reaction for the synthesis of boron-substituted ethers.
• To enable sequential oxygen and carbenoid insertions into various alkyl- and arylboronates.
• To demonstrate the utility of the new reaction in synthesizing functional ethers and complex molecules.

Main Methods:

• Development of the oxa-Matteson reaction involving sequential oxygen and carbenoid insertions.
• Application of the reaction to diverse alkyl- and arylboronates.
• Demonstration of synthetic utility through preparation of functional ethers, an acetyl-CoA-carboxylase inhibitor, and polyethers.

Main Results:

• Successful development of the oxa-Matteson reaction, expanding the scope of Matteson-type chemistry.
• Efficient synthesis of a wide range of boron-substituted ethers.
• Demonstrated utility in asymmetric synthesis and programmable construction of polyethers.

Conclusions:

• The oxa-Matteson reaction provides a distinct and versatile entry to boron-substituted ethers.
• This new methodology significantly broadens the applicability of Matteson-type reactions in organic synthesis.
• The reaction is a powerful tool for the synthesis of functional molecules and complex polyethers.