FRINK Linked Data Fragments server

Matches in SemOpenAlex for { <https://semopenalex.org/work/W2257885700> ?p ?o ?g. }

• W2257885700 endingPage "2454" @default.
• W2257885700 startingPage "2439" @default.
• W2257885700 abstract "The chemistry of Au(I) complexes with two types of cyclic (alkyl)(amino)carbene (CAAC) ligands has been explored, using the sterically less demanding dimethyl derivative Me2CAAC and the 2-adamantyl ligand AdCAAC. The conversion of (AdCAAC)AuCl into (AdCAAC)AuOH by treatment with KOH is significantly accelerated by the addition of tBuOH. (AdCAAC)AuOH is a convenient starting material for the high-yield syntheses of (AdCAAC)AuX complexes by acid/base and C-H activation reactions (X = OAryl, CF3CO2, N(Tf)2, C2Ph, C6F5, C6HF4, C6H2F3, CH2C(O)C6H4OMe, CH(Ph)C(O)Ph, CH2SO2Ph), while the cationic complexes [(AdCAAC)AuL]+ (L = CO, CN t Bu) and (AdCAAC)AuCN were obtained by chloride substitution from (AdCAAC)AuCl. The reactivity toward variously substituted fluoroarenes suggests that (AdCAAC)AuOH is able to react with C-H bonds with pKa values lower than about 31.5. This, together with the spectroscopic data, confirm the somewhat stronger electron-donor properties of CAAC ligands in comparison to imidazolylidene-type N-heterocyclic carbenes (NHCs). In spite of this, the oxidation of Me2CAAC and AdCAAC gold compounds is much less facile. Oxidations proceed with C-Au cleavage by halogens unless light is strictly excluded. The oxidation of (AdCAAC)AuCl with PhICl2 in the dark gives near-quantitative yields of (AdCAAC)AuCl3, while [Au(Me2CAAC)2]Cl leads to trans-[AuCl2(Me2CAAC)2]Cl. In contrast to the chemistry of imidazolylidene-type gold NHC complexes, oxidation products containing Au-Br or Au-I bonds could not be obtained; whereas the reaction with CsBr3 cleaves the Au-C bond to give mixtures of [AdCAAC-Br]+[AuBr2]- and [(AdCAAC-Br)]+ [AuBr4]-, the oxidation of (AdCAAC)AuI with I2 leads to the adduct (AdCAAC)AuI·I2. Irrespective of the steric demands of the CAAC ligands, their gold complexes proved more resistant to oxidation and more prone to halogen cleavage of the Au-C bonds than gold(I) complexes of imidazole-based NHC ligands." @default.
• W2257885700 created "2016-06-24" @default.
• W2257885700 creator A5024103637 @default.
• W2257885700 creator A5039536225 @default.
• W2257885700 date "2015-01-29" @default.
• W2257885700 modified "2023-10-03" @default.
• W2257885700 title "Gold(I) and Gold(III) Complexes of Cyclic (Alkyl)(amino)carbenes" @default.
• W2257885700 cites W1667713415 @default.
• W2257885700 cites W1967663014 @default.
• W2257885700 cites W1968810912 @default.
• W2257885700 cites W1970979049 @default.
• W2257885700 cites W1972608338 @default.
• W2257885700 cites W1974007049 @default.
• W2257885700 cites W1977876550 @default.
• W2257885700 cites W1979390531 @default.
• W2257885700 cites W1982963941 @default.
• W2257885700 cites W1989866312 @default.
• W2257885700 cites W1991312972 @default.
• W2257885700 cites W1994108513 @default.
• W2257885700 cites W1996592925 @default.
• W2257885700 cites W1997605933 @default.
• W2257885700 cites W1998733258 @default.
• W2257885700 cites W1999668996 @default.
• W2257885700 cites W2000119399 @default.
• W2257885700 cites W2006545498 @default.
• W2257885700 cites W2008072209 @default.
• W2257885700 cites W2009046603 @default.
• W2257885700 cites W2011998601 @default.
• W2257885700 cites W2019083241 @default.
• W2257885700 cites W2019604599 @default.
• W2257885700 cites W2020891733 @default.
• W2257885700 cites W2024120358 @default.
• W2257885700 cites W2024723099 @default.
• W2257885700 cites W2025639553 @default.
• W2257885700 cites W2029621625 @default.
• W2257885700 cites W2032538187 @default.
• W2257885700 cites W2034927305 @default.
• W2257885700 cites W2039471593 @default.
• W2257885700 cites W2040183266 @default.
• W2257885700 cites W2041123784 @default.
• W2257885700 cites W2043068345 @default.
• W2257885700 cites W2047288482 @default.
• W2257885700 cites W2047331661 @default.
• W2257885700 cites W2048591346 @default.
• W2257885700 cites W2054617813 @default.
• W2257885700 cites W2056770019 @default.
• W2257885700 cites W2062004092 @default.
• W2257885700 cites W2067725533 @default.
• W2257885700 cites W2069813563 @default.
• W2257885700 cites W2070460454 @default.
• W2257885700 cites W2071442133 @default.
• W2257885700 cites W2071954476 @default.
• W2257885700 cites W2072547362 @default.
• W2257885700 cites W2073896686 @default.
• W2257885700 cites W2074504441 @default.
• W2257885700 cites W2077445395 @default.
• W2257885700 cites W2078747429 @default.
• W2257885700 cites W2078792365 @default.
• W2257885700 cites W2082574148 @default.
• W2257885700 cites W2085141881 @default.
• W2257885700 cites W2088435565 @default.
• W2257885700 cites W2093847845 @default.
• W2257885700 cites W2100254099 @default.
• W2257885700 cites W2101726961 @default.
• W2257885700 cites W2113348154 @default.
• W2257885700 cites W2118026917 @default.
• W2257885700 cites W2119472660 @default.
• W2257885700 cites W2120102026 @default.
• W2257885700 cites W2131350133 @default.
• W2257885700 cites W2141287592 @default.
• W2257885700 cites W2144759147 @default.
• W2257885700 cites W2145538332 @default.
• W2257885700 cites W2149660454 @default.
• W2257885700 cites W2151640189 @default.
• W2257885700 cites W2153249004 @default.
• W2257885700 cites W2155599123 @default.
• W2257885700 cites W2156475195 @default.
• W2257885700 cites W2156583367 @default.
• W2257885700 cites W2170365874 @default.
• W2257885700 cites W2258812135 @default.
• W2257885700 cites W2315842885 @default.
• W2257885700 cites W2318530751 @default.
• W2257885700 cites W2318937185 @default.
• W2257885700 cites W2320507237 @default.
• W2257885700 cites W2325016811 @default.
• W2257885700 cites W2325339364 @default.
• W2257885700 cites W2327754372 @default.
• W2257885700 cites W2331234867 @default.
• W2257885700 cites W2331493307 @default.
• W2257885700 cites W2335334165 @default.
• W2257885700 cites W2952007241 @default.
• W2257885700 cites W3184615630 @default.
• W2257885700 cites W4211172071 @default.
• W2257885700 cites W4245720687 @default.
• W2257885700 cites W4251485118 @default.
• W2257885700 cites W4255764590 @default.
• W2257885700 cites W4362179033 @default.
• W2257885700 doi "https://doi.org/10.1021/om501211p" @default.

• next