Results 91 to 100 of about 14,574 (240)
Tribenzotriquinacene Fused Dimers (“Fusodimers”)—Synthesis and Host–Guest Properties
Two tribenzotriquinacene units merged with each other in either syn‐ or anti‐orientation of the bowls have become accessible in a short synthesis. In contrast to the anti‐isomer, the syn‐isomer forms 1:1 host–guest complexes with both C60 and C70 in solution and in the solid state, as shown by 1H NMR spectroscopy and x‐ray diffraction.
Chun‐Fai Ng +5 more
wiley +1 more source
Two families of bTurea‐derived biradicals, bcTmols and bcTCOOKs, were prepared as polarizing agents for dynamic nuclear polarization (DNP)‐enhanced NMR through short and efficient synthetic routes. The best‐performing biradical, bcTCOOK‐M2, containing two methyl groups on the urea bridge, provided signal enhancements of up to ∼220 at 14.1 T and 100 K ...
Ancy T. Wilson +3 more
wiley +1 more source
Novel organic solvents with an unmodified carbohydrate core were synthesised both from D‐xylose and directly from biomass and were successfully used as reaction media for lipase biocatalysts to synthesise aliphatic and aromatic polyesters. Abstract The use of organic solvents in academic research and industry applications is facing increasing ...
Anastasia O. Komarova +8 more
wiley +1 more source
The Pd‐catalyzed decarboxylative asymmetric protonation (DAP) has been developed for sterically hindered tetrahydro‐4H‐pyran‐4‐one derived α‐aryl‐β‐keto esters. A substrate scope of nine examples of DAP showed that substrates containing a di‐ortho methoxy substitution pattern on the aryl ring gave rise to the highest enantioselectivities of up to 85 ...
Fionn McNeill +5 more
wiley +1 more source
Modular assembly and property profiling of an expansive, shape-defined library of pentacyclic saturated N-heterocycles. [PDF]
Boschi E +12 more
europepmc +1 more source
Cobalt‐Catalyzed C(sp3)H Carbonylation Enabled by Mo(CO)6
Cobalt‐catalyzed carbonylative C(sp3)H cyclization of aliphatic amides using Mo(CO)6 as a solid CO surrogate enables efficient access to substituted succinimides under operationally simple conditions. The carbonylation of unactivated C(sp3)H bonds represents an attractive strategy for the synthesis of valuable carbonyl‐containing compounds.
Emma Duro +4 more
wiley +1 more source
Synthesis and Stereochemical Assignment of Diastereomeric Steroidal Spiro-1,2,4-trioxolanes with Sitostanone Motif Using PLS2 Chemometric Analysis of DFT-Calculated and Experimental <sup>13</sup>C NMR Data. [PDF]
Lobov A +5 more
europepmc +1 more source
π‐Extended Silyl Enolates as Emerging Platforms in Radical Chemistry
This review covers the emerging role of π‐extended silyl polyenol ethers in radical chemistry. It highlights their versatile roles as electron‐rich SOMOphiles, silyl radical cation precursors, and nucleophilic partners in radical–polar crossover manifolds, while considering recent advances in photoredox catalysis, electrochemistry, and transition metal‐
Debora Guazzetti +3 more
wiley +1 more source
Questionable Stereoformulas of Diastereomers [PDF]
openaire +2 more sources

