Gold-catalyzed [3+2]-annulations of α-aryl diazonitriles with ynamides and allenamides to yield 1-amino-1H-indenes
作者:RahulKumar Rajmani Singh、Samir Kundlik Pawar、Min-Jie Huang、Rai-Shung Liu
DOI:10.1039/c6cc04308a
日期:——
Abstract: Gold-catalyzed [3+2]-annulations of [small alpha]-aryl diazonitriles with ynamides and allenamides yield 1-amino-1H-indenes in two distinct pathways; the success of these annulations relies on the high electrophilicity of [small alpha]-cyano arylgold carbenes...
Regio- and Stereoselective Isomerizations of Allenamides: Synthesis of 2-Amido-Dienes and Their Tandem Isomerization-Electrocyclic Ring-Closure
作者:Ryuji Hayashi、Richard P. Hsung、John B. Feltenberger、Andrew G. Lohse
DOI:10.1021/ol900647s
日期:2009.5.21
A regio- and stereoselectiveisomerization of allenamides is described, leading to preparations of de novo 2-amido-dienes and a tandem isomerization-6π-electron electrocyclic ring-closure.
Rhodium(I)-Catalyzed Cycloisomerization
Reaction of Yne-Allenamides: An Approach to Cyclic Enamides
作者:Kay Brummond、Bingli Yan
DOI:10.1055/s-2008-1078169
日期:——
In this paper, we demonstrate a successful conversion of alkynyl allenamides to triene-containing heterocycles via a rhodium(I)-catalyzed cycloisomerization reaction.
Copper-Catalyzed Stereospecific N-Allenylations of Amides. Syntheses of Optically Enriched Chiral Allenamides
作者:Lichun Shen、Richard P. Hsung、Yanshi Zhang、Jennifer E. Antoline、Xuejun Zhang
DOI:10.1021/ol051094q
日期:2005.7.1
[reaction: see text] Syntheses of chiral allenamides via a stereospecific amidation of optically enriched allenyl iodides using catalytic copper(I) salt and N,N'-dimethylethylene-diamine are described here.