醛的氧化酯化作用采用可回收的氧铵盐。
Oxidative esterification of aldehydes using a recyclable oxoammonium salt.
机构信息
Department of Chemistry, University of Connecticut, 55 North Eagleville Road, Storrs, Connecticut 06269-3060, United States.
出版信息
Org Lett. 2013 May 3;15(9):2222-5. doi: 10.1021/ol400785d. Epub 2013 Apr 24.
A simple, high yielding, rapid route for the oxidative esterification of a wide range aldehydes to hexafluoroisopropyl (HFIP) esters using the oxoammonium salt 4-acetylamino-2,2,6,6-tetramethylpiperidine-1-oxoammonium tetrafluoroborate (1a) is reported. These esters can be readily transformed into a variety of other functional groups. The spent oxidant (1b) can be recovered and conveniently reoxidized to regenerate the oxoammonium salt, 1a.
本文报道了一种简单、高产、快速的方法，通过氧铵盐 4-乙酰氨基-2,2,6,6-四甲基哌啶-1-氧代铵四氟硼酸酯（1a）将多种醛氧化酯化生成全氟异丙基（HFIP）酯。这些酯可以很容易地转化为各种其他官能团。用过的氧化剂（1b）可以回收，并方便地再氧化以再生氧铵盐 1a。
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