Nickel-catalyzed Heck reaction of cycloalkenes using aryl sulfonates and pivalates

Nickel-catalyzed Heck reaction of cycloalkenes using aryl sulfonates and pivalates

Nickel-catalyzed Heck reaction of cycloalkenes delivers unusual conjugated arylated isomers. Nickel(0) catalysts ligated by chelating dialkylphosphines effectively activate not only aryl triflates as electrophiles, but also less reactive aryl mesylates, tosylates and pivalates. The omission of bases...

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Bibliographic Details
Main Authors: Zhou, Steve Jianrong, Huang, Xiaolei, Teng, Shenghan, Chi, Robin Yonggui
Other Authors: School of Physical and Mathematical Sciences
Format: Article
Language:English
Published: 2021
Subjects:
Science::Chemistry
Nickel
Pivalates
Online Access:https://hdl.handle.net/10356/148226
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Institution: Nanyang Technological University
Language: English
Description
Summary:Nickel-catalyzed Heck reaction of cycloalkenes delivers unusual conjugated arylated isomers. Nickel(0) catalysts ligated by chelating dialkylphosphines effectively activate not only aryl triflates as electrophiles, but also less reactive aryl mesylates, tosylates and pivalates. The omission of bases allows nickel hydride species to exist long enough to perform in situ olefin isomerization of initial Heck adducts.

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