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One‐pot oxidant‐free dehydrogenation‐Knoevenagel tandem reaction catalyzed by a recyclable magnetic base‐metal bifunctional catalyst
Author(s) -
Yuan Xiaofeng,
Wan Zijuan,
Ning Jinfeng,
Zhang Qiang,
Luo Jun
Publication year - 2020
Publication title -
applied organometallic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.53
H-Index - 71
eISSN - 1099-0739
pISSN - 0268-2605
DOI - 10.1002/aoc.5897
Subject(s) - knoevenagel condensation , chemistry , bifunctional , catalysis , dehydrogenation , bifunctional catalyst , cascade reaction , tandem , yield (engineering) , organic chemistry , base (topology) , mathematical analysis , materials science , mathematics , composite material , metallurgy
A new base‐metal bifunctional catalyst NH‐Pd(0)@MNP was prepared via a facile procedure and fully characterized. The as‐prepared catalyst was used as an efficient relay catalyst for the one‐pot oxidant‐free dehydrogenation‐Knoevenagel condensation tandem reaction from benzyl alcohol in H 2 O under mild conditions and generated benzalmalononitriles with yield up to 96%. Meanwhile, the catalyst could be easily recovered from the reaction system by an external magnetic field, and is reusable with little loss of activity up to 6 runs (<5%).
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