Copper(II)-Promoted, One-Pot Conversion of 1-Alkynes with Anhydrides or Primary Amines to the Respective 2,5-Disubstituted Furans or Pyrroles under Microwave Irradiation Conditions
作者:Hyejeong Lee、Yeonhui Yi、Chul-Ho Jun
DOI:10.1002/adsc.201500711
日期:2015.11.16
Furans and pyrroles are prepared from 1-alkynes by using a Cu(II)-promoted, one-pot, microwaveirradiation method. Glaser coupling of 1-alkynes and cyclization of the resulting 1,3-diyne in the presence of an anhydride or a primaryamine results in the formation of the respective 2,5-diaryl- or 2,5-dialkyl-substituted furans and pyrroles.
Access to 2,5-Diamidopyrroles and 2,5-Diamidofurans by Au(I)-Catalyzed Double Hydroamination or Hydration of 1,3-Diynes
作者:Søren Kramer、Julie L. H. Madsen、Mario Rottländer、Troels Skrydstrup
DOI:10.1021/ol1008685
日期:2010.6.18
A Au(I)-catalyzed hydroamination or hydration of 1,3-diynes to access 2,5-diamidopyrroles and 2,5-diamidofurans has been developed. This method can also be expanded to 2,5-disubstituted furans and 1,2,5-trisubstituted pyrroles including the formation of deuterated heterocycles and O-18-labeled furans.