The Direct Synthesis of Unsymmetrical Vicinal Diamines from Terminal Alkynes: A Tandem Sequential Approach for the Synthesis of Imidazolidinones
作者:Laurel Schafer、Alison Lee、Melanie Sajitz
DOI:10.1055/s-0028-1083279
日期:2009.1
reaction is used in the synthesis of unsymmetrical vicinal diamines via the one-pot synthesis of α-cyanoamines. This methodology is further applied to the efficient synthesis of imidazolidinones. An easy-to-use bis(amidate)titanium precatalyst permits efficient approaches to heterocyclic chemistry from terminal alkynes. hydroamination - titanium - amines - heterocycles - tandem reactions
A Sequential C-N, C-C Bond-Forming Reaction: Direct Synthesis of α-Amino Acids from Terminal Alkynes
作者:Laurel Schafer、Alison Lee
DOI:10.1055/s-2006-944211
日期:2006.11
Catalytic hydroamination is combined with the Strecker reaction to yield a one-pot synthesis of α-cyanoamines from terminalalkynes. This methodology is further applied to the synthesis of α-amino acids and α-amino esters.