作者:Sergei A. Shipilovskikh、Vladimir Yu. Vaganov、Elena I. Denisova、Aleksandr E. Rubtsov、Andrei V. Malkov
DOI:10.1021/acs.orglett.7b03862
日期:2018.2.2
highly expedient protocol for a catalytic Appel-type dehydration of amides to nitriles has been developed that employs oxalyl chloride and triethylamine along with triphenylphosphine oxide as a catalyst. The reactions are usually complete in less than 10 min with only a 1 mol % catalyst loading. The reaction scope includes aromatic, heteroaromatic, and aliphatic amides, including derivatives of α-hydroxy
已经开发了一种高度便利的将酰胺催化Appel型脱水为腈的方案,该方案采用草酰氯和三乙胺以及三苯基氧化膦作为催化剂。反应通常在少于10分钟的时间内完成,催化剂负载量仅为1 mol%。反应范围包括芳族,杂芳族和脂族酰胺,包括α-羟基和α-氨基酸的衍生物。