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Premium A Radical Process towards the Development of Transition‐Metal‐Free Aromatic CarbonCarbon Bond‐Forming Reactions
Author(s)
Chan Tek Long,
Wu Yinuo,
Choy Pui Ying,
Kwong Fuk Yee
Publication year2013
Publication title
chemistry – a european journal
Resource typeJournals
PublisherWILEY‐VCH Verlag
Abstract Transition‐metal‐free cross‐coupling reactions have been a hot topic in recent years. With the aid of a radical initiator, a number of unactivated arene CH bonds can be directly arylated/functionalized by using aryl halides through homolytic aromatic substitution. Commercially available or specially designed promoters (e.g. diamines, diols, and amino alcohols) have been used to make this synthetically attractive method viable. This protocol offers an inexpensive, yet efficient route to aromatic CC bond formations since transition metal catalysts and impurities can be avoided by using this reaction system. In this article, we focus on the significance of the reaction conditions (e.g. bases and promoters), which allow this type of reaction to proceed smoothly. Substrate scope limitations and challenges, as well as mechanistic discussion are also included.
Subject(s)alkyl , aryl , catalysis , chemistry , combinatorial chemistry , coupling reaction , homolysis , organic chemistry , radical , reaction conditions , transition metal
Language(s)English
SCImago Journal Rank1.687
H-Index242
eISSN1521-3765
pISSN0947-6539
DOI10.1002/chem.201301583

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