Metal- and Hydride-Free Pentannulative Reductive Aldol Reaction
作者:Bishnupada Satpathi、Lona Dutta、S. S. V. Ramasastry
DOI:10.1021/acs.orglett.8b03658
日期:2019.1.4
Traditionally, the reductivealdolreaction is a metal-catalyzed and hydride-promoted coupling between enones and aldehydes. We present a phosphine-mediated diastereoselective intramolecular reductivealdolreaction of α-substituted dienones and aldehydes, which is metal-free and hydride-free. The synthetic utility of the reductivealdol adducts is demonstrated by elaborating them in one step to indeno[1
传统上,还原性醇醛缩合反应是烯酮和醛之间的金属催化和氢化物促进的偶联。我们提出了一种α-取代的二烯酮和醛的膦介导的非对映选择性分子内还原醛醇缩合反应,该反应不含金属且不含氢化物。还原性羟醛加合物的合成效用通过一步一步将它们合成为茚并[1,2- b ]呋喃酮,茚并[1,2- b ]吡喃和二苯并[ a,h ] azulen -8-ones而得到证明。
Enantioselective synthesis of the α,α-dimethyl-β-hydroxy
作者:Andrew S. Kende、Kuniaki Kawamura、Michael J. Orwat
DOI:10.1016/s0040-4039(01)93480-x
日期:1989.1
KENDE, ANDREW S.;KAWAMURA, KUNIAKI;ORWAT, MICHAEL J., TETRAHEDRON LETT., 30,(1989) N3, C. 5821-5824
作者:KENDE, ANDREW S.、KAWAMURA, KUNIAKI、ORWAT, MICHAEL J.