摘要
报道了HBr催化下以水为氢源的α-溴代甲基酮类化合物的脱溴化反应.以α-溴代甲基酮类化合物为原料,四氢呋喃为溶剂,α-溴代甲基酮与质量分数5%的氢溴酸的物质的量比为1.0∶0.2时,在180℃下反应5~14 h,分离产率高达94%[高效液相(HPLC)产率96%]的脱溴产物.该方法无金属催化剂参与,催化剂价格低廉,所有产物均经1H NMR和13C NMR结构确证.
The debromination reaction ofα-bromomethylketone compounds was achieved by using water as the hydrogen source under the catalysis of HBr.Usingα-bromomethylketones as raw materials,tetrahydrofuran as solvent,when the molar ratio ofα-bromomethylketone to 5%mass fraction hydrobromic acid was 1.0∶0.2,the debrominated product could be obtained with a isolated yield of 94%[high performance liquid chromatography(HPLC)yield 96%]by reacting at 180℃for 5~14 h.All products were confirmed by 1H NMR and 13C NMR spectra.
作者
郑梦霞
曾竟
买里克扎提•买合木提
阿布都热西提•阿布力克木
Zheng Mengxia;Zeng Jing;Meihemuti Mailikezhati;Abulikemu Abudu Rexit(Department of Chemistry,Xinjiang Normal University,Urumqi 830054;School of Chemical Engineering,Xinjiang University,Urumqi 830046)
出处
《有机化学》
SCIE
CAS
CSCD
北大核心
2021年第5期2121-2126,共6页
Chinese Journal of Organic Chemistry
基金
新疆维吾尔自治区2017年自治区“天山青年计划”(No.2017Q026)资助项目。
