Results 61 to 70 of about 8,540 (213)

Sticky superhydrophobic hard nanofibers from soft matter [PDF]

open access: yes, 2014
Here, we show the possibility to change superhydrophobic properties from soft to hard polymer nanofibers by the control of molecular structure and branching.
Darmanin, Thierry   +4 more
core   +3 more sources

Reactivity of vanadium oxytrichloride with β-diketones and diesters as precursors for vanadium nitride and carbide

open access: yesMaterials & Design, 2016
Vanadium(V) oxytrichloride was reacted with 2,4-pentanedione, diethyl malonate, and diethyl succinate under inert conditions, forming compounds: dichloro(oxo)(2,4-pentanedione) vanadium(V) [1], dichloro(oxo)(diethyl malonate) vanadium(IV) [2] and ...
Ben J. Blackburn   +8 more
doaj  

An economical and safe procedure to synthesize 2-hydroxy-4-pentynoic acid: A precursor towards ‘clickable’ biodegradable polylactide

open access: yesBeilstein Journal of Organic Chemistry, 2014
2-Hydroxy-4-pentynoic acid (1) is a key intermediate towards ‘clickable’ polylactide which allows for efficient introduction of a broad range of pendant functional groups onto polymers from a single monomer via convenient ‘click’ chemistry with organic ...
Quanxuan Zhang   +2 more
doaj   +1 more source

Preparation of Some New Substituted 5-(2\u27 -Furfuryl)-barbituric and -thiobarbituric Acids [PDF]

open access: yes, 1966
Starting with diethyl (2-furfuryl) -malonate, obtained by reduction of diethyl (2-furfurylidene) -malonate with aluminum amalgam in wet ether, several new or hitherto insufficiently characterized 1- or/and 5-substituted 5-(2-furfuryl) -barbituric and ...
B. Glunčić   +3 more
core   +1 more source

Crystal structure of diethyl 2-[(2-sulfanylquinolin-3-yl)methylidene]malonate

open access: yesActa Crystallographica Section E: Crystallographic Communications, 2015
In the title compound, C17H17N O4S, the quinoline ring system is nearly planar, with a maximum deviation of 0.0496 (16) Å. A weak intramolecular C—H...O interaction is observed.
Rihanabanu   +4 more
doaj   +1 more source

One-pot synthesis of 2,3-bis-(4-hydroxy-2-oxo-1,2-dihydroquinolin-3-yl)succinates and arylmethylene-bis-3,3-quinoline-2-ones [PDF]

open access: yes, 2019
In this investigation an efficient synthesis of 2,3-bis-(4-hydroxy-2-oxo-1,2-dihydroquinolin-3-yl)succinic acid derivatives was achieved by one-pot reaction of one equivalent of aromatic amines with two equivalents of diethyl malonate in diphenyl ether ...
Aly, Ashraf A.   +5 more
core   +1 more source

Three-Component Coupling Reactions of Arynes for the Synthesis of Benzofurans and Coumarins

open access: yesMolecules, 2014
The domino three-component coupling reaction of arynes with DMF and active methylenes or methines was studied as a highly efficient method for preparing heterocycles.
Eito Yoshioka   +2 more
doaj   +1 more source

Development of Liquid Scintillator containing a Zirconium Complex for Neutrinoless Double Beta Decay Experiment [PDF]

open access: yes, 2014
An organic liquid scintillator containing a zirconium complex has been developed for a new neutrinoless double beta decay experiment. In order to produce a detector that has good energy resolution (4% at 2.5 MeV) and low background (0.1 counts/(tonne ...
Fukuda Yoshiyuki   +4 more
core  

Addition-substitution reactions of 2-thio-3-chloroacrylamides with carbon, nitrogen, oxygen, sulfur and selenium nucleophiles [PDF]

open access: yes, 2011
Synthetically versatile conjugate addition of a range of carbon, nitrogen, oxygen, sulfur and selenium nucleophiles to the highly functionalised 2-thio-3-chloroacrylamides is described.
Chopra, Jay   +7 more
core   +1 more source

Synthesis and antimicrobial evaluation of 3-hydrazino-naphthoquinones as analogs of lapachol

open access: yesJournal of the Brazilian Chemical Society, 2001
Several 1,4-naphthoquinone derivatives having a hydrazino side chain were synthesized from 3-diazo-naphthalene-1,2,4-trione and tested as potential antimicrobial agents.
Oliveira Claudia G. T.   +6 more
doaj  

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