“フッ素”が導く未来の創薬~フッ素化合物の不斉合成法を網羅的に整理~

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2025-08-19 名古屋工業大学,科学技術振興機構

名古屋工業大学と科学技術振興機構(JST)の研究チームは、2015~2024年に報告された「フッ素を含む不斉炭素中心の構築法」を網羅的に整理した総説論文を米国化学会誌 Chemical Reviews に発表しました。フッ素含有医薬品は全医薬品の約2割を占め、抗ウイルス薬などにも活用されていますが、不斉炭素中心を持つキラルフッ素化合物の合成は困難であり、FDA承認薬でも16例にとどまっています。本論文では、有機触媒・金属触媒を用いたアルドール反応やマイケル付加など多様な手法を分類し、立体選択性や触媒設計の原理を解説。DFT計算や医薬応用例も示し、精密分子設計とグリーンケミストリーを両立させる戦略を提示しました。これにより副作用の少ない次世代医薬品やPFAS代替材料の開発、さらには機能性材料や農薬分野にも波及効果が期待されます。本研究は、持続可能なフッ素化学への転換点としても意義を持ちます。

“フッ素”が導く未来の創薬~フッ素化合物の不斉合成法を網羅的に整理~

<関連情報>

フッ素含有ステレオジェニック炭素中心を有する分子の触媒的不斉合成に関する最近の進展(2015–2024) Recent Advances on Catalytic Asymmetric Synthesis of Molecules Bearing a Fluorine-Containing Stereogenic Carbon Center (2015–2024)

Subarna Jyoti Kalita,Jing Qi,Lu Xiao,Debarshi Saha,Yi-Yong Huang,and Norio Shibata
Chemical Reviews  Published: August 6, 2025
DOI:https://doi.org/10.1021/acs.chemrev.5c00177

Abstract

Fluorine, due to its unique ability to modify the physicochemical and biological properties of parent molecules, has found wide applications as pharmacological modulators in drug development research. Consequently, the portion of fluorine-containing drugs has increased to about 20% in recent years. Among these, fluorine-containing drugs with aromatic fluoro-substitutions are more common than those with fluoro-substitutions at stereogenic centers. In fact, in the past decade, out of 116 fluorine-containing drugs approved by the FDA only 16 drugs are enantiomerically pure, featuring fluorine-containing stereogenic carbon centers. Asymmetric induction during building these drug molecules is largely achieved through either the “chiral pool” or “chiral resolution” approach, while the “asymmetric catalysis” approach remains underexplored. In order to draw the attention of the scientific community to this disparity, this review highlights the innovations (2015–2024) in asymmetric methodologies for creating molecules bearing a fluorine-containing stereogenic carbon center in the presence of organo- or organometallic catalysts. The synthetic strategies are divided into two sections based on fluorine-containing building blocks and fluorine-containing reagents, which are further classified by the reaction types. Special attention has been paid to synthetic challenges, types of substrates, products and catalysts, functional group compatibility, transition states, mechanistic insights, as well as synthetic applications.

有機化学・薬学
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