Direct C–H Cyanation by ICN Formed <i>In Situ</i>: Nannozinone B
作者:Paul Wienecke、Hans-Dieter Arndt
DOI:10.1021/acs.orglett.3c00176
日期:2023.2.24
A novel method for C–H cyanation of different pyrans, pyrroles, indoles, and acyclic nucleophilic double bonds using TMSCN, NIS, and Zn(OTf)2 as a catalyst is described. The transformation is conducted under mild conditions tolerating a variety of functional groups. Zn(OTf)2 is likely to serve a dual catalytic role as an activator for TMSCN and for the cyanogen iodide generated in situ. Optimization