2026 October - 16 articles
The reaction of Cd(NO3)2·4H2O with the fluorescent ditopic N-donor ligand 2,5-bis[(pyridin-3-yl)ethynyl]thiophene (L) afforded the new coordination polymer {[Cd(L)(H2O)2(NO3)2]∙1.25H2O}n (1). Single-crystal X-ray diffraction analysis rev...
A new carboxylic acid-functionalized 2,2′-bipyridine derivative, (2E,2′E)-3,3′-(2,2′-bipyridine-6,6′-diyl)diacrylic acid (3), was synthesized in two steps from 6,6′-dibromo-2,2′-bipyridine. A palladium-cataly...
Two previously undescribed sulfobetaine zwitterions bearing benzyl ester and amide functionalities were synthesized through a concise three-step sequence starting from benzyl alcohol and either succinic or glutaric anhydride. The route comprised este...
This work reports the synthesis of a previously uncharacterized N1-(1-(naphthalen-2-yl)ethyl)benzene-1,2-diamine derivative, a member of the aromatic diamine Schiff base family that has not been documented in the existing literature. The full set of...
This study reports the synthesis of two new compounds, methyl 3-(3-(benzo[d][1,3]dioxol-5-ylmethyl)ureido)benzoate and 3-(3-(benzo[d][1,3]dioxol-5-ylmethyl)ureido)benzoic acid, prepared via the addition of an amine to an isocyanate to generate the co...
The study focuses on the synthesis and structural characterization of 2,3-diphenyldibenzo[b,f]imidazo[1,2-d][1,4]oxazepine-6,7-dicarbonitrile. The target compound was obtained via a nucleophilic aromatic substitution reaction between 2-(2-hydroxyphen...
The crystal structure of the benzophenanthridine alkaloid dihydrochelerythrine (1,2-dimethoxy-12-methyl-13H-[1,3]benzodioxolo[5,6-c]phenanthridine), C21H19NO4, was determined by single-crystal X-ray diffraction analysis. The alkaloid was isolated fro...
Herein, the previously unreported (E)-1-(2-hydroxy-4-methoxyphenyl)-3-(5-methylfuran-2-yl)prop-2-en-1-one 3 was synthesized by Claisen–Schmidt condensation of 1-(2-hydroxy-4-methoxyphenyl)ethan-1-one 1 and 5-methylfuran-2-carbaldehyde 2 using p...
The crystal structures of two isomeric urea derivatives—1,1-dimethyl-3-(quinolin-2-yl)urea (1) and 3-(isoquinolin-1-yl)-1,1-dimethylurea (2)—have been investigated by single-crystal X-ray diffraction. These compounds differ in the relativ...
Reduction of [Tc(CO)5Br] with sodium amalgam, sodium naphthalenide, or potassium graphite in THF and subsequent addition of bis(triphenylphosphine)iminium chloride, (PPN)Cl, gave mixtures of the orange-yellow Tc(0) compound (PPN)[Tc(CO)9Cl], (PPN)[1]...
Under the application of a semi-synthesis strategy, an acylhydrazone derivative from strictic acid (SA), a natural neo-clerodane diterpenoid with a unique 5,10-seco skeleton isolated from Schnabelia terniflora, has been synthesized via a two-step syn...
The indole core is a structural component of a huge number of biologically active natural and synthesized compounds and pharmaceuticals, and their efficient synthesis is an important challenge. Fluorinated indoles have attracted considerable attentio...
Macrocyclic tetraimidazolium salts 2 and 3 containing propylene and m-phenylene linkers were synthesized from diimidazole derivative 1 and 1,3-diiodopropane. The molecular structure of 3 was determined by single-crystal X-ray diffraction analysis, re...
We report the synthesis of a modified benzothiazole sulfide. This compound contains a heterocyclic core, a Boc-protected hydroxylamine, and an appended alkyne. This benzothiazole was accessed through three total steps, including an amidation reaction...
The monoterpene-derived 1,4-oxazepan-3-one, (5aS,8R,9aR)-5,5,8-trimethyloctahydrobenzo[f][1,4]oxazepin-3(2H)-one, was synthesized from the corresponding (−)-isopulegol-based chloroacetamide by intramolecular cyclization in acetonitrile. The pro...
This study reports the synthesis and characterization of a dinuclear zinc(II) complex, [Zn2(L1)2(L2)]·DMF·Et3N (C45H54F2N10O5S2Zn2), constructed from a fluoro-substituted thiosemicarbazone Schiff base ligand (2-(3-fluoro-5-hydroxybenzyl...
