Selective Demetalations of Iron Diene Complexes. Expedient Synthesis of Substituted (<i>Z</i>)-Allylalcohols
作者:Jutta Böhmer、Walter Förtsch、Rainer Schobert
DOI:10.1055/s-1997-1537
日期:1997.9
(3E)-6-Oxo-1,3-dienetricarbonyliron complexes 1 can be demetalated in good yields exclusively either to the free unrearranged (3E)-6-oxodiene 2 with ceric ammonium nitrate in methanol or to the (2Z)-6-oxoallylalcohol 3 by an excess of NaOH/H2O2.
Regioselective 1,4-addition of nucleophiles to 1,3-diene monoepoxides catalyzed by palladium complex
作者:Jiro Tsuji、Hideaki Kataoka、Yuichi Kobayashi
DOI:10.1016/s0040-4039(01)90524-6
日期:1981.1
A Nazarov‐Ene Tandem Reaction for the Stereoselective Construction of Spiro Compounds
作者:Christoph Etling、Giada Tedesco、Markus Kalesse
DOI:10.1002/chem.202101041
日期:2021.6.25
cyclization tandem reaction is presented, terminating the oxyallyl cation by an ene-type reaction, and leading stereoselectively to bicyclic spiro compounds. The terminal olefin of this motif represents a useful handle for further functionalization, making it a strategic intermediate in total syntheses. The tandem Nazarov/ene cyclization was shown to be preferred over a Nazarov/[3+2] tandem reaction for all our