4 article(s) from Wang, Li
Graphical Abstract
Figure 1: Anti-HIV compound containing a trifluoromethylpropargylamine moiety.
Scheme 1: Literature-known methods (a and b) and the here reported (c) approach for the synthesis of α-triflu...
Scheme 2: Substrate scope study. Reaction conditions: arylethyne 2 (0.39 mmol), imine 1 (0.3 mmol), LiHMDS (0...
Figure 2: ORTEP diagram showing of the minor product of 3a.
Figure 3: Mode of nucleophilic attacks A and B.
Scheme 3: Large-scale application of the reaction.
Scheme 4: Removal of the chiral auxiliary.
Graphical Abstract
Scheme 1: (a) Chemical structures of the reported tetralactam macrocycles with aromatic sidewalls; (b) synthe...
Figure 1: 1H NMR spectra (500 MHz, CDCl3) of a) 1 at 298 K, b) 1 at 223 K, and c) 2 at 298 K.
Figure 2: Two different views of the X-ray single crystal structure of 1 obtained from its CH3CN solution.
Figure 3: Partial 1H NMR spectra (500 MHz, CDCl3, 0.5 mM, 298 K) of 1 and the equimolar mixture with TBA[AuCl4...
Figure 4: ESI mass spectrum of complex AuCl4−@1.
Figure 5: Energy-minimized structure of a) AuCl4−@1 and b) AuCl4−@2 at the level of theory of PM3 by using Sp...
Figure 6: a) Fluorescence emission spectra of 1 (20 µM) upon addition of different amounts of TBA[AuCl4] (con...
Graphical Abstract
Figure 1: (A) The synthetic routes to HBPS and HBPS-g-PDMAEMA; (B) 1H NMR spectra of HBPS and HBPS-g-PDMAEMA ...
Figure 2: (A) The transmittance of HBPS-g-PDMAEMA aqueous solution of 10 mg/mL (pH 7); (B) pictures of aqueou...
Figure 3: (A) The effect of HBPS-g-PDMAEMA concentration on the size of aggregates (pH 7); (B) photographs of...
Figure 4: The sizes of 1 mg/mL HBPE-g-PDMAEMA aggregates in aqueous solutions with different concentration of...
Figure 5: (A) Photographs of phase inversion of 1 mg/mL HBPS-g-PDMAEMA in aqueous solution with different pH ...
Figure 6: The effect of pH on: (A) the size of 1 mg/mL HBPS-g-PDMAEMA aggregates; (B) the DLS results of 1 mg...
Figure 7: (A) The UV–vis spectra of HBPS-g-PDMAEMA/pyrene solution with different polymer concentrations; (B)...
Figure 8: (A) Photographs of HBPS-g-PDMAEMA/NR in aqueous solution with different polymer concentrations; (B)...
Figure 9: (A) Plot of the concentration of NR as a function of the UV–vis absorbance at a wavelength of 520 n...
Graphical Abstract
Scheme 1: C–H functionalization of P(O)R2 directed through a seven-membered cyclopalladium transition state.
Scheme 2: Synthesis of chiral and racemic substrates.
Figure 1: C–H functionalization of axially chiral phosphorus substrates. The yields are isolated yields and t...