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Chemists at MIT have developed a novel way to synthesize himastatin, a natural compound that has shown potential as an antibiotic.
第25届国际有机化学合成研讨会（25th International Symposium:Synthesis in Organic Chemistry）
第25届 国际有机化学合成 研讨会
2017/1/20
The Synthesis in Organic Chemistry conference is a flagship event for the international organic chemistry community.The first meeting of this internationally renowned symposium was held in Oxford in 1...
Chemistry is an enabling science. No material of any type can be studied or utilized in a larger context unless it can be prepared, and thus Chemical Synthesis plays a central role in science, technol...
Mesoporous Ba/MCM-41 type materials (Ba/MCM-41) with high Ba/Si molar ratios between 0.025 and 0.1 were synthesized by direct hydrothermal synthesis. The samples were characterized by XRD, nitrogen ad...
Synthesis and surfactant properties of N-acylation compounds derived from hydrolysis degradation products of N-(b-cianoethyl)-e-caprolactam
N-acylation surfactants 4-azasebacic acid N-(b -cianoethyl)-e -caprolactam
2010/12/29
N-acyl amino acids can be used as active surface agents in the detergents industry, as well as in the pharmaceutical industry and cosmetics. Properties of these compounds are superior to those of fatt...
An efficient and green approach for the synthesis of vinyl aryl ethers in the presence of guanidine hydrochloride
Guanidine hydrochloride dialkyl acetylenedicarboxylates vinyl aryl ether
2010/12/29
A stereoselective procedure for vinyl aryl ether bond formation by direct coupling of dialkyl acetylenedicarboxylates and substituted phenols or naphthols under mild reaction conditions has been devel...
Synthesis and antimicrobial activities of some new 1,2,4-triazole derivatives
1,3,4-Thiadiazole 1,2,4-triazole carbamate
2010/12/29
The synthesis of ethyl [3-(cyanomethyl)-5-alkyl-4H-1,2,4-triazol- 4-yl]carbamates (2a-d) was performed starting from ethyl 2-[ethoxy(4- (aryl)methylene]hydrazinecarboxylates (1a, 1b). The treatment of...
Effect of various substituents on intramolecular 1,1-vinylboration, synthesis of 1-silacyclobutene derivatives
organoboration silacyclobutenes NMR
2010/12/3
The reaction of 1-boryl-1-alkenyl chlorosilane derivatives with alkynyllithium reagents [Li-C\equiv C-R3 (R3~=~Ph, SiMe3)] at low temperature (--78 °C) affords alkenyl(alkyn-1-yl)silanes. These compou...
Synthesis and crystal structure of a novel multimodal ligand, 6,6'-bis(2-(di(pyridin-2-yl)methylene)-1-methylhydrazinyl)-2,2'-bipyridine, and its copper(I) complex, {[Cu3L2](PF6)3° 3H2O} (1)
dipyridyl ketone metal complexes N-donor ligands
2010/12/3
The single crystal X-ray structure of the novel multimodal ligand 6,6'-bis(2-(di(pyridin-2-yl)methylene)-1-methylhydrazinyl)-2,2'-bipyridine, C34H28N10 (L), was determined at 120 (2) K. The ligand pos...
Synthesis and characterisations of some new 2,4-dihydro-[1,2,4]- triazol-3-one derivatives and X-ray crystal structures of 4-(3-phenylallylideneamino)-5-thiophen-2-yl-methyl-2,4-dihydro-[1,2,4]triazol-3-one
bromo acetophenone X-ray crystallography antimicrobial activity
2010/12/3
Compounds 2 were synthesised via the reaction of 4-amino-5-thiophen-2-yl-methyl-2,4-dihydro-[1,2,4]-triazol-3-one (1) with aldehydes. Compounds 3 and 4 were obtained from compounds 2 with bromo acetop...
Synthesis and super-swelling behavior of a novel low salt-sensitive protein-based superabsorbent hydrogel: collagen-g-poly(AMPS)
Collagen hydrogel swelling 2-acrylamido-2-methylpropanesulfonic acid
2010/12/3
Superabsorbent polymers are obtained by the graft copolymerization of 2-acrylamido-2-methylpropanesul- fonic acid (AMPS) monomer onto collagen, using ammonium persulfate as a free radical initiator in...
Effect of Various Substituents on Intramolecular 1,1-Vinylboration, Synthesis of 1-Silacyclobutene Derivatives.
Alkynylsilanes triorganoboranes hydroboration organoboration
2010/10/19
The reaction of 1-boryl-1-alkenyl chlorosilane derivatives with alkynyllithium reagents [Li-C≡C-R3 (R3 = Ph, SiMe3) ] at low temperature (–78 ◦C) affords alkenyl(alkyn-1-yl)silanes. These compou...
Synthesis and crystal structure of a novel multimodal ligand, 6,6'-bis(2-(di(pyridin-2-yl)methylene)-1-methylhydrazinyl)-2,2'-bipyridine and its copper(I) complex, {[Cu3L2](PF6)3?3H2O} (1)
Bipyridine derivatives hydrazone dipyridyl ketone metal complexes
2010/10/19
The single crystal X-ray structure of the novel multimodal ligand 6,6’-bis(2-(di(pyridin-2-yl)methylene)-1-methylhydrazinyl)-2,2’-bipyridine, C34H28N10 (L), was determined at 120 (2) K. The ligand pos...
Synthesis and Characterizations of Some New 2,4-Dihydro-[1,2,4]-triazol-3-one Derivatives and X-Ray Crystal Structures of 4-(3-Phenyl allidene amino)-5-thiophen-2-yl-methyl-2,4-dihydro-[1,2,4]triazol-3-one
1,2,4-Triazole aldehydes ethyl bromoacetate bromo acetophenone
2010/10/19
Compounds 2 were synthesised via the reaction of 4-amino-5-thiophen-2-yl-methyl-2,4-dihydro-[1,2,4]-triazol-3-one (1) with aldehydes. Compounds 3 and 4 were obtained from compounds 2 with bromo acetop...
Synthesis, Spectroscopic Characterization, Mass Spectrometry and Crystal Structure of N-{[(4-bromophenyl) amino]carbonothioyl}benzamide
Thiourea derivative X-ray structure determination mass fragmentation
2010/10/19
N-{[(4-bromophenyl)amino]carbonothioyl}benzamide was synthesized and characterized by IR, 1 H- and 13C-NMR, mass spectrometry, and elemental analysis. The crystal structure was determined from single ...