作者:Wei Zhang、Zhenyu Zhang、Jun-Chen Tang、Jin-Teng Che、Hao-Yu Zhang、Jia-Hua Chen、Zhen Yang
DOI:10.1021/jacs.0c10122
日期:2020.11.18
A concise chemical synthesis of (+)-haperforin G in 20 steps from commercially available starting materials is achieved with the integration of the Co-catalyzed intramolecular Pauson-Khand reaction for the stereoselective construction of cyclopentanone bearing an all-carbon quaternary stereogenic center at the bridge-head position and the light-initiated photocatalysis for convergent and asymmetric
A nickel catalyst for the arylation and vinylation of lithium ester enolates
作者:Alan A. Millard、Michael W. Rathke
DOI:10.1021/ja00456a055
日期:1977.6
γ-Selective directed catalytic asymmetric hydroboration of 1,1-disubstituted alkenes
作者:Sean M. Smith、Gia L. Hoang、Rhitankar Pal、Mohammad O. Bani Khaled、Liberty S. W. Pelter、Xiao Cheng Zeng、James M. Takacs
DOI:10.1039/c2cc36199j
日期:——
Directed catalytic asymmetric hydroborations of 1,1-disubstitutedalkenes afford gamma-dioxaborato amides and esters in high enantiomeric purity (90-95% ee).