Indium(I) iodide was found to mediate in the Barbier allylation and in the Reformatsky reaction of aldehydes and ketones to give homoallylic alcohols and β-hydroxy esters, respectively, presumably via allylindium(III) diiodide.
Some organic reactions promoted by samarium diiodide
作者:J. Souppe、L. Danon、J.L. Namy、H.B. Kagan
DOI:10.1016/0022-328x(83)85053-0
日期:1983.7
Various homoallylic alcohols and homobenzylic alcohols were prepared by the reaction between aldehydes and allylic or benzylic halides in the presence of samariumdiiodide. This iodide is also a very good reagent for formation of pinacols from aldehydes or ketones. The reactions are especially fast and selective in the case of substituted benzaldehydes. The reactivities of various nitrogen functional
with indiummetal, and their reactions with carbonyl compounds and electron-deficientalkenes were examined. The reactions of simple 1,1-diiodoalkanes with indiummetal gave no defined products but benzal iodide gave stilbene in a moderate yield. α-Halo organoindium reagents drived from α,α-dibromo carbonyl compounds gave oxiranes and cyclopropanes upon the reactions with aldehydes and alkenes, respectively
Indium(I)/CuFe2O4
Reagent for Allylation of Carbonyls and Epoxide Rearranged Carbonyls
作者:M. Kundu、S. P. Mandal、B. Mondal、U. K. Roy
DOI:10.1134/s1070363220110274
日期:2020.11
Indium(I)/CuFe2O4 reagent for carbonyl allylation and epoxide rearranged carbonyl allylation is proposed for formation of homoallylic alcohols. The In(I) reagent in combination with catalytic amount of CuFe2O4 support in situ formation of nucleophilic allylic indium from allyl halide in THF medium. Nucleophilic allylic indium species react with carbonyls to form homoallyl alcohols in good to excellent
Iridium-Catalyzed Coupling Reaction of Primary Alcohols with 2-Alkynes Leading to Hydroacylation Products
作者:Shintaro Hatanaka、Yasushi Obora、Yasutaka Ishii
DOI:10.1002/chem.200902646
日期:2010.2.8
A novel iridium‐catalyzed intermolecularcoupling reaction of primary alcohols or aldehydes with 2‐alkynes was successfully achieved with high regioselectivity to give hydroacylation products such as α,β‐unsaturatedketones in good yields. The mechanistic investigation of the reaction strongly indicated that the coupling proceeds through the initial formation of homoallylic alcohols followed by dehydrogenation