Results 31 to 40 of about 3,861,733 (345)
Ultrasound assisted synthesis of tetrahydrobenzocxanthene-11-ones using CAN as catalyst [PDF]
, 2012 Tetrahydrobenzocxanthenes-11-ones was synthesized by a three component reaction of α-naphthol, aromatic aldehyde and dimedone. Ceric ammonium nitrate acts as a suitable eco-friendly catalyst for this method.
Pasha, M.A., Sudha, S.
core +2 more sources
Novel one-pot process for the synthesis of ethyl 2-imino-4-methyl-2,3-dihydrothiazole-5-carboxylates [PDF]
Journal of the Serbian Chemical Society, 2015 A facile one-pot two-step process for the synthesis of ethyl 2-imino-4-methyl-2,3-dihydrothiazole-5-carboxylates via the cyclocondensation of ethyl 2-thiocyanatoacetoacetate with a variety of hydrazine and hydrazide derivatives has been ...
Beyzaei Hamid, Aryan Reza, Moghadas Hadi
doaj +1 more source
Rotating Spiral Waves with Phase-Randomized Core in Non-locally Coupled Oscillators [PDF]
, 2003 Rotating spiral waves with a central core composed of phase-randomized oscillators can arise in reaction-diffusion systems if some of the chemical components involved are diffusion-free.
Kuramoto, Yoshiki, Shima, Shin-ichiro
core +2 more sources
Organic Letters, 2018 The three-component reaction of aryl iodides, alkynes, and diaziridinone is described. The reaction provides an innovative synthetic approach for indoles. The approach features high efficiency, broad substrate scope, and excellent regioselectivity.
Bo Zhou +4 more
semanticscholar +1 more source
Beilstein Journal of Organic Chemistry, 2022 Bifunctional thiourea-catalyzed asymmetric [3 + 2] annulation reactions of 2-isothiocyanato-1-indanones with barbiturate-based olefins have been developed to afford chiral dispiro[indene-pyrrolidine-pyrimidine]s.
Jiang-Song Zhai, Da-Ming Du
doaj +1 more source
An overview of component unit pricing theory [PDF]
, 2012 Component unit pricing (CUP) theory presents a fresh approach to item pricing, described as the process of distributing the overall price among its constituent component items.
Cattell, David William
core +1 more source
Microwave-assisted Synthesis of Acridine-1,8(2H,5H)-diones via a One-pot, Three Component Reaction [PDF]
Iranian Journal of Chemistry & Chemical Engineering, 2017 A new and improved protocol for the synthesis, in good to excellent yields, of acridine-1,8(2H,5H)-diones is described, involving a one-pot, three component reaction of dimedone, arylglyoxals, and ammonium acetate in water under microwave irradiation.
Ahmad Poursattar Marjani +3 more
doaj
Molecules, 2018 In an attempt to find the neonicotinoid insecticides, twenty novel dihydropyridine derivatives were designed, “green” synthesized via one pot facile three-component reaction and evaluated for their bioactivities against Tetranychus ...
Guan-Zhou Yang +7 more
doaj +1 more source
, 2014 We investigate the dynamics of a single breathing localized structure in a three-component reaction-diffusion system subjected to the time-delayed feedback.
Gurevich, Svetlana V.
core +1 more source
EXTRACT OF BARBERRY AS ENTIRELY GREEN CATALYST FOR THE SYNTHESIS OF STRUCTURALLY DIVERSE 3,4,5-SUBSTITUTED FURAN-2(5H)-ONES [PDF]
Chemistry Journal of Moldova: General, Industrial and Ecological Chemistry, 2016 An eco-friendly and environmentally benign synthesis of 3,4,5-substituted furan-2(5H)-ones employing Iranian seedless barberry, known as Zereshk, (Berberis integerrima “Bidaneh”, Berberidaceae) as a biocatalyst, was developed.
Nourallah Hazeri +4 more
doaj +1 more source