Stereoselective synthesis of (E,E)-1-arylselenobutadienes by cross-coupling reactions in the presence of palladium catalyst
作者:Liu-Sheng Zhu、Zhi-Zhen Huang、Xian Huang
DOI:10.1016/0040-4020(96)00513-3
日期:1996.7
Hydrozirconation of arylselenoethynes 1 gives selenium-containing zirconium (IV) complexes 2, which are cross-coupled with alkenyl halides in the presence of Pd(PPh3)4 to afford (E,E)-1-arylselenobutadienes 4 in high yields.
Synthesis of Tetrasubstituted Olefins by Stereoselective Allylzincation-Negishi Tandem Reaction of Acetylenic Sulfones
作者:Jianying Li、Shengyong You、Mingzhong Cai
DOI:10.3184/030823408x338729
日期:2008.8
Tetrasubstituted olefins containing a 1,3,6-triene structural unit can be regio- and stereoselectively synthesised in good yields under mild conditions in one pot, by allylzincation-Negishi tandem reaction of acetylenic sulfones with allylzinc bromide and alkenyl halides.
A Novel Stereoselective Synthesis of Trisubstituted 1,3-Dienes by a Hydrostannylation-Stille Tandem Reaction of Alkylarylacetylenes with Alkenyl Halides
作者:Hean Zhang、Yan Yu、Wenyan Hao、Mingzhong Cai
DOI:10.3184/030823410x12680741110954
日期:2010.3
Trisubstituted 1,3-dienes can be stereoselectively synthesised in one pot under mild conditions, in good yields, by the hydrostannylation of alkylarylacetylenes, followed by the Stille cross-coupling with alkenyl halides.