نتایج جستجو برای: alkenes
تعداد نتایج: 5720 فیلتر نتایج به سال:
Xanthates derived from unprotected 2-hydroxyacetophenones undergo smooth intermolecular addition to unactivated alkenes and subsequent cyclisation to give hydroxytetralones in good yield.
The selective reduction of hydroperoxyacetals to aldehydes by sodium triacetoxyborohydride provides the basis for a mild one-pot synthesis of amines from alkenes.
Simulation of the function of hepatic flavoenzyme and Cytochrome P-450 with transition metal-complex catalysts results in finding biomimetic, catalytic oxidations of amines, amides, alkenes, and hydrocarbons.
3- And 9-component Pd(0) catalysed assembly of allenes, aryl iodides and N-nucleophiles with concomitant installation of trisubstituted Z-alkenes is readily achieved.
The first successful asymmetric transfer of rhodium-alkynyl species to symmetrical strained alkenes has been realized starting from bicyclic hydrazines and alkynylboronic esters.
Directed catalytic asymmetric hydroborations of 1,1-disubstituted alkenes afford γ-dioxaborato amides and esters in high enantiomeric purity (90-95% ee).
Suitably ortho-substituted iodobenzenes act as organocatalysts for the transfer of electrophilic bromine from N-bromosuccinimide to alkenes via the intermediacy of bromoiodinanes.
The radical addition of thiols to alkenes is reported under photoredox conditions, using visible light and TiO2 as a cheap and readily available photocatalyst.
Hydrogen peroxide can be electrosynthesized from oxygen in [bmim][BF(4)]-water and used in situ for the epoxidation of alkenes.
نمودار تعداد نتایج جستجو در هر سال
با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید