2,2,2-Trifluoroacetaldehyde <i>O</i>-(Aryl)oxime: A Precursor of Trifluoroacetonitrile
作者:Bo Lin、Yunfei Yao、Yangjie Huang、Zhiqiang Weng
DOI:10.1021/acs.orglett.2c00637
日期:2022.3.18
The preparation of 2,2,2-trifluoroacetaldehyde O-(aryl)oxime, a previously inaccessible precursor of trifluoroacetonitrile, via reaction of hydroxylamine and trifluoroacetaldehyde hydrate is reported. This precursor released CF3CN in quantitative yield under mildly basic conditions. The precursor was successfully used in the synthesis of trifluoromethylated oxadiazoles. The facile, cost-effective,