Results 21 to 30 of about 38,574 (278)
Synthesis of novel heteroleptic delocalised cationic pyrazole gold complexes as potent HepG2 cytotoxic agents [PDF]
, 2018 A new series of cationic gold(I) pyrazole complexes were prepared in excellent yields as their perchlorate salts. Results of cell viability assays show that these novel complexes have good cytotoxic properties against the human HepG2 cancer cell line ...
Afolabi, Fatai +6 more
core +1 more source
Synthesis and structure elucidation of novel pyrazolyl-2-pyrazolines obtained by the reaction of 3-(3-aryl-3-oxopropenyl)chromen-4-ones with phenylhydrazine [PDF]
, 2012 Novel 3-aryl-5-{4-[5-(2-hydroxyphenyl)-1-phenylpyrazolyl]}-2-pyrazolines 2a-g have been prepared by the treatment of 3-(3-aryl-3-oxopropenyl)chromen-4-ones 1a-g with phenylhydrazine in refluxing acetic acid. NMR studies on deuteriochloroform solutions of
Jeko, József +3 more
core +1 more source
Synthesis of enantioenriched azo compounds: Organocatalytic Michael addition of formaldehyde N-tert-butyl hydrazone to nitroalkenes [PDF]
, 2013 The unprecedented diaza-ene reaction of formaldehyde N-tert-butyl hydrazone with nitroalkenes can be efficiently catalyzed by an axially chiral bis-thiourea to afford the corresponding diazenes in good to excellent yields (60-96%) and moderate ...
Bernal Fernández, Pablo +4 more
core +1 more source
Cycloadditions of cyclohexynes and cyclopentyne. [PDF]
, 2014 We report the strategic use of cyclohexyne and the more elusive intermediate, cyclopentyne, as a tool for the synthesis of new heterocyclic compounds. Experimental and computational studies of a 3-substituted cyclohexyne are also described.
Garg, Neil K +4 more
core +2 more sources
Advanced Functional Materials, EarlyView.In this study, the interplay of dipolar dynamics and ionic charge transport in MOF compounds is investigated. Synthesizing the novel structure CFA‐25 with integrated freely rotating dipolar groups, local and macroscopic effects, including interactions with Cs cations are explored.
Ralph Freund +6 more
wiley +1 more source
Vilsmeier-Haack reagent: A facile synthesis of 2-(4-chloro-3,3-dimethyl-7-phenoxyindolin-2-ylidene)malonaldehyde and transformation into different heterocyclic compounds [PDF]
, 2013 2-(5-Chloro-2-phenoxyphenyl)hydrazine was converted to corresponding 3H-indole by Fischer method utilizing the isopropyl methyl ketone in acetic acid.
Arash Afghan +2 more
core +1 more source
Advanced Functional Materials, EarlyView.Ambient‐dried composite aerogels integrating MOF‐303, TEMPO‐oxidized cellulose nanofibers (TOCNF), and hygroscopic salts enable high‐performance atmospheric water harvesting (AWH), achieving competitive uptake at both low and high humidity. Enhanced with a solar‐evaporation layer, these scalable aerogels support self‐sustained plant growth in a ...
Ahmadreza Ghaffarkhah +12 more
wiley +1 more source
Rhenium(Iv) Complexes with Pyrazole and Substituted-pyrazoles
, 1989 Department of Chemistry,Jadavpur University. Calcutta-700 082 Manuscript received 10 February 1988, revised 26 September 1988, accepted 14 December 1988 IN this paper we report rhenium(Iv) complexes of the type Re2 O2 Cl4,L4, where L=pyrazole (Pz), 3-methylpyrazole (MePz), 3,5-dimethylpyrazole (DmPz), 3,4,5-trimethylpyrazole (TmPz) and 1,3,4,5 ...
SHYMAL ROY CHOWDHURY +2 more
openaire +2 more sources
Advanced Functional Materials, EarlyView.Discover bio‐inspired fungicide‐loaded lignin nanocarriers that mimic host‐pathogen interactions, unleashing targeted fungicide release in response to glutathione and laccase. These innovative biobased nanocarriers promise superior crop protection, with increased photostability, enhanced foliar retention, and enabling bidirectional translocation for a ...
Wenlong Liang +4 more
wiley +1 more source
A multistep continuous flow synthesis machine for the preparation of pyrazoles via a metal-free amine-redox process. [PDF]
, 2015 A versatile multistep continuous flow setup is reported for the four-step conversion of anilines into pyrazole products. The synthesis machine incorporates the use of amine-redox chemistry through diazotization and a metal-free vitamin C mediated ...
Browne, Duncan L +2 more
core +5 more sources