Results 201 to 210 of about 9,178 (246)

Metabolomics revealed the characteristics of the unique flavor substances of Alxa Allium mongolicum. [PDF]

Food Chem X
Zhang D, Zhang F, Zhang X, Cao Z, Song X, Zhang T, Yang Z.   +6 more
europepmc   +1 more source

Fast generation of peroxides via atmospheric particulate photosensitization. [PDF]

Sci Adv
Liang Z, Zhou L, Chan CK.
europepmc   +1 more source

Diethyl malonate-blocked isocyanate crosslinker for powder coatings

Focus on Powder Coatings, 2004
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Detritiation of diethyl [2-3H1] malonate

Journal of the Chemical Society, Perkin Transactions 2, 1976
Rate constants for the base-catalysed detritiation of diethyl malonate have been determined in aqueous solution. Various indicators of transition state structure, such as primary hydrogen isotope effects, Bronsted β exponent, rates of ion recombination, and solvent isotope effects all give consistent picture.
John A. Elvidge, Devendra K. Jaiswal, John R. Jones, Robert Thomas   +3 more
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Reaction of α-ethoxyarolein with diethyl malonate

Russian Chemical Bulletin, 1998
The reaction of α-ethoxyacrolein with diethyl malonate in the presence of EtONa, lithium diisopropylamide, or the Na2CO3−benzene−Et3(PhCH2)NCl catalytic system proceeds as the Michael addition. In the presence of an equimolar amount of triethylamine, selective 1,2-addition followed by dehydration of the 1,2-adduct occurs.
N. A. Keiko, Yu. A. Chuvashev, T. A. Kuznetsova, L. V. Sherstyannikova, M. G. Voronkov   +4 more
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Diethyl (Tetrahydrofurfuryl) Malonate

1959
A 150-ml shaking autoclave A (Fig. 2) was charged with 30 g (0.125 mole) of freshly distilled diethyl furfurylidenemalonate (see p. 35), b.p. 147–148°/2 mm, 45 ml of anhydrous ethanol (Note 1), and 2.5–3 g (3–3.6% of the total amount of solution) of Raney nickel catalyst (Note 2), With the autoclave valves B and C closed, the outlet valve D of the ...
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Reaction of diethyl (phthalimidoacetyl)malonate with hydroxylamine

Journal of Heterocyclic Chemistry, 1978
AbstractThe reaction of diethyl (phthalimidoacetyl)malonate with hydroxylamine was investigated. Depending upon the reaction conditions, N‐phthaloylglycinehydroxamic acid (2) and the cyclized product, 4‐ethoxycarbonyl‐5‐hydroxy‐3‐(phthalimidomethyl)isoxazole (4), were obtained.
N. Bregant, I. Perina
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Diethyl 2-(2,3-diphenylquinoxalin-6-ylaminomethylene)malonate

Acta Crystallographica Section C Crystal Structure Communications, 1994
The substituted aminoethylenic group in the title compound, C 28 H 25 N 3 O 4 , is approximately coplanar with the heterocyclic plane [dihedral angle 16 (2)°] and the α-C atom C(23), is disordered between two well defined sites. This disorder originates from a flipping of the aminoethylenic moiety around the C(6)−N(5) bond. The phenyl rings at C(2) and
J. Lokaj, V. Kettmann, V. Vrábel, D. Ilavský, V. Milata   +4 more
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Lygos, Sirrus join for diethyl malonate

C&EN Global Enterprise, 2019
The biobased chemical maker Lygos says it has delivered a metric ton of biobased diethyl malonate to Sirrus for use as a raw material for making methylene malonate monomers for adhesives and other ...
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The Deazidoalkoxylation: Sequential Nucleophilic Substitutions with Diazidated Diethyl Malonate

The Journal of Organic Chemistry, 2019
Diazidated malonamides derived from amines and diazidated diethyl malonate react with lithiated alcohols through nucleophilic substitution reactions where azide acts as an unconventional leaving group. This deazidoalkoxylation leads to the formal construction of N, O-acetals, and the remaining azide functionality is a useful entry point for further ...
Phillip Biallas, Tobias M. Mensak, Kevin-Alexander Kunz, Stefan F. Kirsch   +3 more
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