Search Results - "Krzemiński, Marek P"
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New Water-Soluble (Iminomethyl)benzenesulfonates Derived from Biogenic Amines for Potential Biological Applications
Published in Materials (01-01-2024)“…In this paper, a highly efficient and straightforward method for synthesizing novel Schiff bases was developed by reacting selected biogenic amines with sodium…”
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New procedure of selected biogenic amines determination in wine samples by HPLC
Published in Analytica chimica acta (27-06-2014)“…[Display omitted] •We proposed new procedure for derivatization of biogenic amines.•The NMR and XRD analysis confirmed the purity and uniqueness of…”
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Chiral terpene auxiliaries V: Synthesis of new chiral γ-hydroxyphosphine oxides derived from α-pinene
Published in Beilstein journal of organic chemistry (22-10-2019)“…New chiral regioisomeric γ-hydroxyphosphine ligands were synthesized from α-pinene. The key transformation was the thermal [2,3]-sigmatropic rearrangement of…”
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Synthesis of Steryl Hydroxycinnamates to Enhance Antioxidant Activity of Rapeseed Oil and Emulsions
Published in Materials (13-10-2020)“…In recent years, steryl esters have found potential applications in food, pharmaceutical and cosmetic industries. Therefore, three hydroxycinnamate steryl…”
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The Selection of the Best Derivatization Reagents for the Determination of Polyamines in Home-Made Wine Samples
Published in Materials (09-02-2023)“…The procedures of putrescine, spermine, spermidine, and cadaverine derivatization using 2-chloro-1,3-dinitro-5-(trifluoromethyl)benzene,…”
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6
Phenolipids as new food additives: from synthesis to cell-based biological activities
Published in Food additives & contaminants. Part A, Chemistry, analysis, control, exposure & risk assessment (03-08-2022)“…Increasing interest has been shown in phenolic compounds for enhancing food quality, but their hydrophilicity restricts application in lipophilic systems…”
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Steryl Sinapate as a New Antioxidant to Improve Rapeseed Oil Quality during Accelerated Shelf Life
Published in Materials (04-06-2021)“…In recent years, steryl esters have become an attractive for the cosmetic, pharmaceutical, and food industries. Hence, the effect of exogenous antioxidant,…”
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Simple and Effective Derivatization of Amino Acids with 1-Fluoro-2-nitro-4-(trifluoromethyl)benzene in a Microwave Reactor for Determination of Free Amino Acids in Kombucha Beverages
Published in Materials (20-10-2022)“…Kombucha is a fermentation product of sweetened tea with a symbiotic culture of acetic acid and yeast bacteria, consumed worldwide for its health-promoting…”
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Dual Stereoselectivity in the Dialkylzinc Reaction Using (−)-β-Pinene Derived Amino Alcohol Chiral Auxiliaries
Published in Journal of organic chemistry (20-03-2009)“…(+)-Nopinone, prepared from naturally occurring (−)-β-pinene, was converted to the two regioisomeric amino alcohols 3-MAP and 2-MAP in very good yield and…”
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Synthesis of (−)-Verbenone-Derived Triazolium Salts and Their Application in Enantioselective Intramolecular Stetter Reaction
Published in Catalysts (01-02-2019)“…Two novel chiral verbenone-derived triazolium salts have been synthesized from readily available (−)-verbenone and found to be efficient for the…”
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11
Determination of Biogenic Amine Level Variations upon Storage, in Chicken Breast Coated with Edible Protective Film
Published in Foods (01-04-2024)“…A new chitosan-based protective film containing rosemarinic acid (0.282% / ) has been elaborated. The film was formed from a water-oil emulsion system and…”
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12
New type of primers based on polypropylene grafted maleic anhydride (PP-g-MAH) –strength analysis
Published in International journal of adhesion and adhesives (01-06-2024)“…Primers are an appealing approach for enhancing adhesion to low-energy surfaces owing to their cost-effectiveness in manufacturing and operation, high…”
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13
Determination of selected biogenic amines in fermented vegetables juices
Published in Food control (01-12-2023)“…Fermented vegetables and fruits are a good source of selected vitamins, antioxidants, microelements and revealed immune-boosting properties. The appropriate…”
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Chiral terpene auxiliaries IV: new monoterpene PHOX ligands and their application in the catalytic asymmetric transfer hydrogenation of ketones
Published in Tetrahedron: asymmetry (15-03-2017)“…[Display omitted] New PHOX ligands, derived in three steps from (1R,2S,3R,5R)-3-amino-apopinan-2-ol 1 and (1R,2R,3S,5R)-3-amino-pinan-2-ol 2 were applied as…”
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15
Asymmetric synthesis of benzofuryl β-amino alcohols by the transfer hydrogenation of α-functionalized ketones
Published in Tetrahedron (06-07-2017)“…The asymmetric transfer hydrogenation of representative benzofuryl α-sulfonyloxy ketones and N-protected α-amino ketones with an azeotropic mixture of formic…”
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Chiral terpene auxiliaries III: spiroborate esters from (1R,2S,3R,5R)-3-amino-apopinan-2-ol as highly effective catalysts for asymmetric reduction of ketones with borane
Published in Tetrahedron: asymmetry (31-12-2015)“…[Display omitted] New spiroborate esters, derived from terpene amino alcohols, (S)-prolinol, and 2-aminoethanol, were employed as catalysts in the borane…”
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Chiral terpene auxiliaries II. Spiroborate esters derived from α-pinene—new catalysts for asymmetric borane reduction of prochiral ketones
Published in Tetrahedron letters (27-07-2011)“…New spiroborate esters derived from (1R,2R,3S,5R)-3-aminopinan-2-ol and ethylene glycol, propane-1,3-diol, pinacol, catechol, (1S,2S,3R,5S)-pinane-2,3-diol,…”
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18
Asymmetric synthesis of N-1-(heteroaryl)ethyl- N-hydroxyureas
Published in Tetrahedron: asymmetry (01-05-2008)“…The asymmetric synthesis of two 5-lipoxygenase inhibitors ( R)- N-1-(benzofuran-2-yl)ethyl- N-hydroxyurea, 99% ee, and ( R)- N-1-(benzo[ b]thiophen-2-yl)ethyl-…”
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Chiral Aziridine Sulfide N(sp3),S-Ligands for Metal-Catalyzed Asymmetric Reactions
Published in Symmetry (Basel) (01-03-2021)“…A series of new bidentate N,S-ligands—aziridines containing a para-substituted phenyl sulfide group—was synthesized and evaluated in the Pd-catalyzed…”
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20
Asymmetric synthesis of N-substituted N-hydroxyureas
Published in Tetrahedron: asymmetry (17-04-2008)“…Asymmetric synthesis of ( S)- N-(1-arylethyl)- N-hydroxyureas, ( S)- N-(6-methoxy)- and ( S)- N-(6-benzyloxy-2,3-dihydrobenzofuran-3-yl)- N-hydroxyurea—…”
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