Palladium-Catalyzed Intermolecular Heck-Type Reaction of Epoxides
作者:Shenghan Teng、Malcolm E. Tessensohn、Richard D. Webster、Jianrong Steve Zhou
DOI:10.1021/acscatal.8b02029
日期:2018.8.3
palladium-catalyzed intermolecular Heck-type reaction of both cyclic and acyclic epoxides is reported with tolerance of typical polar groups and acidic protons. Suitable alkenes include styrenes, conjugate dienes, and some electron-deficient olefins. In reactions of aliphatic terminal epoxides, ring opening occurs selectively at terminal positions, and stereocenters of epoxides are fully retained. Mechanistic studies
Gerard,F.; Miginiac,P., Bulletin de la Societe Chimique de France, 1974, p. 1924 - 1930
作者:Gerard,F.、Miginiac,P.
DOI:——
日期:——
Regiospecific synthesis of homoallylic alcohols from tosylhydrazones
作者:Michael F. Lipton、Robert H. Shapiro
DOI:10.1021/jo00401a026
日期:1978.3
Efficient hydroarylation of terminal alkynes with sodium tetraphenylborate performed in water under mild conditions
作者:P. Kocięcka、A.M. Trzeciak
DOI:10.1016/j.apcata.2019.117243
日期:2020.1
The hydroarylation of terminal alkynes with sodium tetraphenylborate was performed in high yield within 3 h at roomtemperature in water, using palladium(II) complexes with imidazole ligands as catalysts. Under these conditions, differently substituted phenylacetylene substrates were converted to arylalkenes and aryl-substituted dienes. High conversion and excellent selectivity were achieved in the