A novel approach to amino acid synthesis: acid-assisted reactions with dimethyl carbonate for efficient O-methylated, N, O-methylated and N-formylated derivatives
P Worsawat, P Noppawan, N Supanchaiyamat… - Green …, 2024 - pubs.rsc.org
A novel and efficient method for the modification of amino acids using a dimethyl carbonate
(DMC) and acid system has been developed. N-Methylation, N, O-dimethylation, and N …
(DMC) and acid system has been developed. N-Methylation, N, O-dimethylation, and N …
Synthesis, resolution, structure, and racemization of inherently chiral 1, 3-alternate azacalix [4] pyrimidines: Quantification of conformation mobility
JT Li, LX Wang, DX Wang, L Zhao… - The Journal of Organic …, 2014 - ACS Publications
The synthesis, resolution, structure, and racemization of inherently chiral 1, 3-alternate
azacalix [4] pyrimidine macrocycles are reported. Site-selective halogenations of monohalo …
azacalix [4] pyrimidine macrocycles are reported. Site-selective halogenations of monohalo …
(Thio) ureido anion receptors based on a 1, 3-alternate oxacalix [2] arene [2] pyrimidine scaffold
W Van Rossom, J Caers, K Robeyns… - The Journal of …, 2012 - ACS Publications
In pursuit of highly preorganized macrocyclic host molecules for the complexation of anions,
a series of oxacalix [2] arene [2] pyrimidine-based bis (thio) ureido receptors were …
a series of oxacalix [2] arene [2] pyrimidine-based bis (thio) ureido receptors were …
Synthesis of trifluoromethylthiolated azacalix [1] arene [3] pyridines from the Cu (II)-mediated direct trifluoromethylthiolation reaction of arenes via reactive arylcopper …
F Wang, L Zhao, J You, MX Wang - Organic Chemistry Frontiers, 2016 - pubs.rsc.org
Using azacalix [1] arene [3] pyridines and their high valent organocopper (II) and (III)
complexes as probes, arene C–H bond trifluoromethylthiolation was investigated. While …
complexes as probes, arene C–H bond trifluoromethylthiolation was investigated. While …
An ion pair receptor facilitating the extraction of chloride salt from the aqueous to the organic phase
S Zdanowski, P Piątek, J Romański - New Journal of Chemistry, 2016 - pubs.rsc.org
A new multitopic salt receptor based on an L-ornithine scaffold was synthesized using a
simple approach; this receptor consists of a crown ether based cation and two squaramide …
simple approach; this receptor consists of a crown ether based cation and two squaramide …
New chiral oxo-bridged calix [2] arene [2] triazine for the enantiomeric recognition of α-racemic carboxylic acids
S Bozkurt, MB Türkmen - Tetrahedron: Asymmetry, 2016 - Elsevier
The enantiomeric excess is a key parameter for chemical and pharmaceutical industries for
its ability to determine the activity and therapeutic action of chiral compounds. The …
its ability to determine the activity and therapeutic action of chiral compounds. The …
Supersensitive detection of anions in pure organic and aqueous media by amino acid conjugated Ellman's reagent
The last few decades witnessed a remarkable advancement in the field of molecular anion
receptors. A variety of anion binding motifs have been discovered, and large number of …
receptors. A variety of anion binding motifs have been discovered, and large number of …
Noncovalent catch and release of carboxylates in water
CL Beck, AH Winter - The Journal of Organic Chemistry, 2014 - ACS Publications
Association constants of a bis-(acetylguanidinium) ferrocene dication to various (di)
carboxylates were determined through UV–vis titrations. Association constant values greater …
carboxylates were determined through UV–vis titrations. Association constant values greater …
Synthesis of electron-deficient oxacalix [2] arene [2] triazines and their isomeric analogs from a One-Pot reaction of perfluorinated dihydroxybenzenes with …
C Yang, Y Chen, DX Wang, L Zhao, MX Wang - Organic letters, 2013 - ACS Publications
Efficient synthesis of tetraoxacalix [2] perfluoroarene [2] triazines and their isomeric analogs
from a one-pot macrocyclic condensation reaction of methoxy-and amino-substituted …
from a one-pot macrocyclic condensation reaction of methoxy-and amino-substituted …
Homoselenacalix [4] arenes: synthetic exploration and metallosupramolecular chemistry
J Thomas, L Dobrzańska, K Van Hecke… - Organic & …, 2012 - pubs.rsc.org
Homoselenacalix [4] arenes were synthesized by a [2+ 2] reductive coupling protocol
favouring the cyclotetramers. The inner and outer-rim decoration was varied and a bicyclic …
favouring the cyclotetramers. The inner and outer-rim decoration was varied and a bicyclic …