Departamento de Química Orgánica, Universidad Autónoma de Madrid, Cantoblanco , 28049 Madrid, Spain.
Institute for Advanced Research in Chemical Sciences (IAdChem), Universidad Autónoma de Madrid , 28049 Madrid, Spain.
J Am Chem Soc. 2017 Jun 28;139(25):8448-8451. doi: 10.1021/jacs.7b05273. Epub 2017 Jun 15.
We have developed a copper-catalyzed substitution reaction of propargylic ammonium salts with aryl Grignard reagents. The reaction is stereospecific and α-regioselective and proceeds with exceptional functional group tolerance. Conveniently, a stable, inexpensive, and commercially available copper salt is used and no added ligand is required.
我们开发了一种铜催化的炔丙基铵盐与芳基格氏试剂的取代反应。该反应具有立体专一性和 α-区域选择性,对官能团具有极好的耐受性。方便的是,使用了一种稳定、廉价且商业可得的铜盐,并且不需要添加配体。