Results 41 to 50 of about 217,585 (392)
Molecules, 2023 Four compounds with lactone moiety were synthesized from chalcone 1 in three- or four-step synthesis. γ-Bromo-δ-lactone 5 was the only product of bromolactonization of acid 4 whereas bromolactonization of ester 3, apart from lactone 5 also afforded its ...
Witold Gładkowski +6 more
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A Concise Total Synthesis of (--)-Maoecrystal Z [PDF]
, 2011 The first total synthesis of (--)-maoecrystal Z is described. The key steps of the synthesis include a diastereoselective Ti^(III)-mediated reductive epoxide coupling reaction and a diastereoselective Sm^(II)-mediated reductive cascade cyclization ...
Cha, Jacob Y. +2 more
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Acta Crystallographica Section E: Crystallographic CommunicationsThe X-ray crystal structure data of 12-α-fluoro-3β-hydroxyolean-28,13β-olide methanol hemisolvate, 2C30H47FO3·CH3OH, (1), and 12-α-fluoro-3β-hydroxytaraxer-28,14β-olide methanol hemisolvate, 2C30H47FO3·CH3OH, (2), are described.
Megan A. Eadsforth +6 more
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Scientific Opinion on the safety and efficacy of primary aliphatic saturated or unsaturated alcohols/aldehydes/acids/acetals/esters with a second primary, secondary or tertiary oxygenated functional group including aliphatic lactones (chemical group 9) when used as flavourings for all animal species [PDF]
EFSA Journal, 2012 <p>Chemical group 9 consists of primary aliphatic saturated or unsaturated alcohols/aldehydes/acids/acetals/esters with a second primary, secondary or tertiary oxygenated functional group including aliphatic lactones, of which 30 are currently ...
EFSA Panel on Additives and Products or Substances used in Animal Feed (FEEDAP)
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Molecules, 2021 The ostrich oil of Struthio camelus (Ratite) found uses in folk medicine as an anti-inflammatory in eczema and contact dermatitis. The anti-inflammatory effect of a γ-lactone (5-hexyl-3H-furan-2-one) isolated from ostrich oil and its formulated nano ...
Salah E. M. Eltom +10 more
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Synthesis of enantiomeric polyhydroxyalkylpyrrolidines from 1,3-dipolar cycloadducts. Evaluation as inhibitors of a β-galactofuranosidase [PDF]
, 2016 Enantiomeric 2,3,4-tris(hydroxyalkyl)-5-phenylpyrrolidines have been synthesized from the major cycloadducts obtained by the 1,3-dipolar cycloaddition of sugar enones with azomethine ylides derived from natural amino acids.
Oliveira Udry, Guillermo Alejandro +3 more
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Antiparasitic activity of chicory (Cichorium intybus) and its natural bioactive compounds in livestock: a review [PDF]
, 2018 Increasing drug resistance in gastrointestinal (GI) parasites of livestock and concerns about chemical residues in animal products and the environment are driving the development of alternative control strategies that are less reliant on the use of ...
Boas, Ulrik +7 more
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Frontiers in ChemistryCitrus reticulata dropped fruits are generally discarded as waste, causing environmental pollution and losses to farmers. In the present study, column chromatography has been used to isolate quinic acid (1,3,4,5-tetrahydroxycyclohexane-1-carboxylic acid)
Heena +5 more
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RSC Advances, 2018 Arylnaphthalene lactones are natural products extracted from a wide range of different parts of plants. The progressing interest in the synthesis of these compounds is due to their significant biological activities, which have made them potential ...
Chuang Zhao +7 more
semanticscholar +1 more source
Social interactions in the Burkholderia cepacia complex : biofilms and quorum sensing [PDF]
, 2010 Burkholderia cepacia complex bacteria are opportunistic pathogens that cause respiratory tract infections in susceptible patients, mainly people with cystic fibrosis. There is convincing evidence that B.
Coenye, Tom
core +2 more sources