Results 11 to 20 of about 633,575 (297)
Molecules, 2000 Acid and base initiated cyclization and retrocyclization reactions of the selenoureas 1-6 and isoselenoureas 7-12 to fused 4H-1,3-selenazine and 1,2,3,4-tetrahydropyrimidine-4-one skeletons are reported.
Pavel Pazdera +3 more
doaj +1 more source
New Route to 3-Alkylthiazolo[3,2-a]benzimidazole Derivatives
Molecules, 2005 3-Alkyl-thiazolo[3,2-a]benzimidazole derivatives are obtained in high yieldsvia the corresponding 4-alkyl-N-3-(2-aminophenyl)-thiazoline-2-thiones which are easilyprepared from 1,2-diaminobenzene, CS2 and halogenoketones.
Nicolas Vanthuyne +4 more
doaj +1 more source
Molecular perovskites as a new platform for designing advanced multi-component energetic crystals
Energetic Materials Frontiers, 2020 Molecular perovskite energetic crystals, as an emerging family of promising practicable energetic materials, have attracted increasing attentions in the past few years.
Wei-Xiong Zhang +4 more
doaj +1 more source
Energetic Materials Frontiers, 2020 s: Pentazolate anion (cyclo-N5−) containing compounds have attracted wide interest in recent years. In this paper, to explore the fantastic chemistry of cyclo-N5−, a novel polyamino 5/6/5-fused tricyclic-cation-based cyclo-N5− salt, 2,3,5,6-tetraamino-9 ...
Sicheng Liao +5 more
doaj +1 more source
Molecules, 2021 Bromine complexing agents (BCAs) are used to reduce the vapor pressure of bromine in the aqueous electrolytes of bromine flow batteries. BCAs bind hazardous, volatile bromine by forming a second, heavy liquid fused salt.
Michael Küttinger +4 more
doaj +1 more source
Breathing Some New Life into an Old Topic: Chalcogen-Nitrogen π-Heterocycles as Electron Acceptors
Molecules, 2013 Recent progress in the design, synthesis and characterization of chalcogen-nitrogen π-heterocycles, mostly 1,2,5-chalcogenadiazoles (chalcogen: S, Se and Te) and their fused derivatives, possessing positive electron affinity is discussed together with ...
Nina P. Gritsan +3 more
doaj +1 more source
High Temperature Materials and Processes, 2013 To understand the hot corrosion mechanism of materials it is of significance to establish electrochemical measurements under a thin film of fused salts. In this paper, the hot corrosion behavior of Fe-Cr alloys containing 5, 10 and 25wt% Cr, respectively,
Liu S.N. +4 more
doaj +1 more source
Synthesis of the Benzo-fused Indolizidine Alkaloid Mimics
Beilstein Journal of Organic Chemistry, 2007 A general synthesis of various benzo-fused indolizidine alkaloid mimics has been developed. The indolizidine derivatives 8 were prepared via heteroaryl Grignard addition to N-acylpyridinium salts followed by an intramolecular Heck cyclization.
Daniel L. Comins, Kazuhiro Higuchi
doaj +1 more source
Copper-Catalyzed C–H Arylation of Fused-Pyrimidinone Derivatives Using Diaryliodonium Salts
Catalysts, 2020 Copper-catalyzed Csp2–Csp2 bond forming reactions through C–H activation are still one of the most useful strategies for the diversification of heterocyclic moieties using various coupling partners.
Alexandra Pacheco-Benichou +4 more
semanticscholar +1 more source
Molecules, 2009 2-Pyridylacetonitrile (1) couples with aromatic diazonium salts to yield arylhydrazones 2a-c, that were shown to exist in the syn-form 2 rather than the anti-form 4.
Mohamed Hilmy Elnagdi +1 more
doaj +1 more source