Access to 1,2-Dihydroisoquinolines through Gold-Catalyzed Formal [4+2] Cycloaddition
作者:Zhuo Xin、Søren Kramer、Jacob Overgaard、Troels Skrydstrup
DOI:10.1002/chem.201403290
日期:2014.6.23
the privileged 1,2‐dihydroisoquinolines is reported. This method, which relies on a gold‐catalyzed formal [4+2] cycloaddition between ynamides and imines, provides a new retrosynthetic disconnection of the 1,2‐dihydroisoquinoline core by installing the 1,8a CC and 2,3 CN bonds in one step. Both aldimines and ketimines can be used as substrates. In addition, one example of dihydrofuropyridine synthesis
据报道有一条新的合成路线可以合成特权的1,2-二氢异喹啉。此方法,它依赖于金催化正式[4 + 2] ynamides和亚胺环加成之间,通过安装1,8a C提供的1,2-二氢异喹啉核的一个新的逆合成断开 C和2,3-Ç N个键,一步之遥。醛亚胺和酮亚胺都可用作底物。另外,还证明了二氢呋喃吡啶合成的一个实例。