December 2022 - 82 articles
aza-BODIPYs are a promising class of IR fluorescent dyes. The introduction of specific substituents could allow these compounds to act as fluorescent sensors. In this work, a new aminophenyl-substituted aza-BODIPY was synthesized for future applicati...
In this work, we present an efficient one-pot method for the synthesis of three new azo-isoxazoline derivatives (4a–c) from aromatic aldehydes, hydroxylamine hydrochloride and 4-(allyloxy)azobenzene. Thus, the azo-isoxazoline derivatives (4a&nd...
The solvent-free Betti reaction of 2-naphthol, 4-nitrobenzaldehyde and (S)-valine methyl ester gave the corresponding aminobenzylnaphthol of the (S,S)-2-(((hydroxynaphth-1-yl)(4′-nitrophenyl)methyl)amino)-3-methylbutanoic acid methyl ester in g...
The preparation and characterization of a new terpyridine molecule containing an acetylenic moiety is described. Part of this molecule, unknown in the literature, is obtained from a biomass-derived synthon that is formed from the naturally occurring...
A synthesis of the title compound and related structures is reported. The procedure involves double alkylation of a β-ketoester followed by double SNAr ring closure from the γ carbon to give a dibenzo[3.3.1]bicyclic unit. This paper appear...
A new fluorinated pentaphene derivative has been obtained as a potential precursor for fluorinated polycyclic aromatic hydrocarbons. In this work, 7,7-difluoropentaphen-6(7H)-one was prepared from 1,1-difluoroanthracen-2(1H)-one via the Diels–A...
X-ray crystallography has been used to characterise the title compound for the first time, 1H NMR, 13C NMR and IR spectroscopic data has also been updated from earlier reports.
Reaction of bis(peri-substituted) triphosphine iPrP(AcenapPiPr2)2 (Acenap = acenaphthene-5,6-diyl) with iodine, followed by hydrolysis, afforded ionic species with [iPrP(AcenapP(O)iPr2)2] dication, containing P-O-P-O-P motif, balanced by triiodide an...
The Betti reaction of 2-naphthol, benzaldehyde and (S)-1-(4-nitrophenyl)ethylamine without any solvent gave the corresponding aminobenzylnaphthol, that is the (S,S)-1-(phenyl((1′-4-nitrophenyl-ethyl)amino)methyl)-2-naphthol, in good yield (56%)...
(3-Methylene-2,3-dihydronaphtho[2,3-b][1,4]dioxin-2-yl)methanol was unexpectedly achieved as the main reaction product while applying a standard Johnson–Corey–Chaykovsky procedure to the 2,3-dihydronaphtho[2,3-b][1,4]dioxine-2-carbaldehyd...
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