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- W2952380786 abstract "Abstract The synthesis of carbonyl compounds by oxidation of alcohols is a key reaction in organic synthesis. Such oxidations are typically conducted using catalysts featuring toxic metals and hazardous organic solvents. Considering green and sustainable chemistry, a copper(II) complex of sulfonated 2-quinoxalinol salen (sulfosalqu) has been characterized as an efficient catalyst for the selective oxidation of propargylic, benzylic, and allylic alcohols to the corresponding carbonyl compounds in water when in combination with the oxidant tert-butyl hydroperoxide. The reactions proceed under mild conditions (70 °C in water) to produce yields up to 99% with only 1 mol % of catalyst loading. This reaction constitutes of a rare example of propargylic alcohol oxidation in water, and it makes this process greener by eliminating the use of hazardous organic solvents. Excellent selectivity was achieved with this catalytic protocol for the oxidation of propargylic, benzylic, and allylic alcohols over aliphatic alcohols. The alcohol oxidation is thought to go through a radical pathway." @default.
- W2952380786 created "2019-06-27" @default.
- W2952380786 creator A5039739349 @default.
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- W2952380786 date "2014-10-01" @default.
- W2952380786 modified "2023-10-02" @default.
- W2952380786 title "Cu(II) 2-quinoxalinol salen catalyzed oxidation of propargylic, benzylic, and allylic alcohols using tert-butyl hydroperoxide in aqueous solutions" @default.
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- W2952380786 doi "https://doi.org/10.1016/j.tet.2014.08.050" @default.
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