气候变化领域集成服务门户(CCPortal): Fluorination of arylboronic esters enabled by bismuth redox catalysis

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DOI	10.1126/science.aaz2258
	Fluorination of arylboronic esters enabled by bismuth redox catalysis
	Planas O.; Wang F.; Leutzsch M.; Cornella J.
发表日期	2020
ISSN	0036-8075
起始页码	313
结束页码	317
卷号	367 期号:6475
英文摘要	Bismuth catalysis has traditionally relied on the Lewis acidic properties of the element in a fixed oxidation state. In this paper, we report a series of bismuth complexes that can undergo oxidative addition, reductive elimination, and transmetallation in a manner akin to transition metals. Rational ligand optimization featuring a sulfoximine moiety produced an active catalyst for the fluorination of aryl boronic esters through a bismuth (III)/bismuth (V) redox cycle. Crystallographic characterization of the different bismuth species involved, together with a mechanistic investigation of the carbonfluorine bond-forming event, identified the crucial features that were combined to implement the full catalytic cycle. © 2020 American Association for the Advancement of Science. All rights reserved.
关键词	aryl boronic ester aryl fluoride bismine bismuth bismuth derivative boronic acid derivative chloride chlorobismine difluorobismine ester fluoride fluorobenzene fluorobismine iron naphthalene ortho bromide pentavalent pentavalent bismine phenylboronic acid pinacol ester sulfone tetrafluoroborate bismine transition element trifluoromethyl trimethylsilyl derivative unclassified drug unindexed drug vinyl derivative bismuth catalysis catalyst crystallography ester ligand optimization oxidation redox potential transition element Article catalysis chemical bond crystal structure crystallography elimination reaction fluorination metallation oxidation reduction reaction oxidative coupling priority journal reaction analysis reaction optimization reduction (chemistry)transmetallation
语种	英语
来源机构	Science
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/133786
推荐引用方式 GB/T 7714	Planas O.,Wang F.,Leutzsch M.,et al. Fluorination of arylboronic esters enabled by bismuth redox catalysis[J]. Science,2020,367(6475).
APA	Planas O.,Wang F.,Leutzsch M.,&Cornella J..(2020).Fluorination of arylboronic esters enabled by bismuth redox catalysis.,367(6475).
MLA	Planas O.,et al."Fluorination of arylboronic esters enabled by bismuth redox catalysis".367.6475(2020).