93327-87-8Relevant academic research and scientific papers
Silver-Catalyzed tert-Butyl 3-Oxopent-4-ynoate π-Cyclizations: Controlling the Ring Size - Hydroxypyrone or Pulvinone Formation - By Counterion and Additive Optimization
Hermann, David,Brückner, Reinhard
, p. 7455 - 7460 (2019/01/03)
tert-Butyl 2,5-diaryl-3-oxopent-4-ynoates, obtained from arylacetylenes and the acid chloride of tert-butyl 2-phenylmalonate, represent strongly enolized β-ketoesters. Their C≡C bonds were activated by Ag(I) salts so that de-tert-butylating π-cyclizations
Enantioselective Synthesis of Spiroindenes by Enol-Directed Rhodium(III)-Catalyzed C-H Functionalization and Spiroannulation
Reddy Chidipudi, Suresh,Burns, David J.,Khan, Imtiaz,Lam, Hon Wai
supporting information, p. 13975 - 13979 (2016/01/25)
Chiral cyclopentadienyl rhodium complexes promote highly enantioselective enol-directed C(sp2)-H functionalization and oxidative annulation with alkynes to give spiroindenes containing all-carbon quaternary stereocenters. High selectivity betwe
