Synthesis and analysis of stable isotope-labelled N-acyl homoserine lactones [PDF]
, 2016 Aliphatic aldehydes were deuterated at the alpha-position via a base-catalyzed exchange reaction with D2O. These deuterated building blocks were used for the synthesis of labelled analogues of quorum sensing signal molecules belonging to the three major ...
De Kimpe, Norbert +3 more
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6-Deoxyhexoses froml-Rhamnose in the Search for Inducers of the Rhamnose Operon: Synergy of Chemistry and Biotechnology [PDF]
, 2016 In the search for alternative non‐metabolizable inducers in the l ‐rhamnose promoter system, the synthesis of fifteen 6‐deoxyhexoses from l ‐rhamnose demonstrates the value of synergy between biotechnology and chemistry.
Estévez, Amalia +12 more
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Baeyer-Villiger Oxidation of Ketones with Hydrogen peroxide in the presence of Nano Zinc oxide [PDF]
شیمی کاربردی روز, 2018 In this work, a new application of nano zinc oxide in Baeyer-Villiger oxidation of ketones with hydrogen peroxide has been introduced. The capability of nano zinc oxide as a heterogeneous catalyst on the basis of of its very small size and large surface ...
Fatemeh Doragi, Mohammad Javaherian
doaj +1 more source
The Comprehensive Utilization of Bean Dregs in High-Fiber Tofu
Foods, 2022 A large quantity of bean dregs is produced by the production of tofu and treated as animal feed or plant fertilizer, which could cause environmental pollution.
Wenjing Lu +7 more
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Organocatalytic Lewis base functionalisation of carboxylic acids, esters and anhydrides via C1-ammonium or azolium enolates [PDF]
, 2014 This tutorial review highlights the organocatalytic Lewis base functionalisation of carboxylic acids, esters and anhydrides via C1-ammonium/azolium enolates.
Morrill, Louis C., Smith, Andrew D.
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A New Natural Lactone from <em>Dimocarpus</em> <em>longan</em> Lour. Seeds
Molecules, 2012 A new natural product named longanlactone was isolated from <em>Dimocarpus</em> <em>longan</em> Lour. seeds. Its structure was determined as 3-(2-acetyl-1<em>H</em>-pyrrol-1-yl)-5-(prop-2-yn-1-yl)dihydrofuran-2(3H)-one
Zhongjun Li +5 more
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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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An unusually rapid Claisen rearrangement involving ring expansion [PDF]
, 2000 A Claisen rearrangement of a partially-fluorinated system involving ring expansion occurred at an unusually low temperature, 100 degreesC lower than a comparable system from the ...
Dimartino, Gianluca, Percy, Jonathan
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Nucleophilic fluoroalkylation/cyclization route to fluorinated phthalides
Beilstein Journal of Organic Chemistry, 2018 Discribed in this article is a versatile and practical method for the synthesis of C3-perfluoroalkyl-substituted phthalides in a one-pot manner. Upon treatment of KF or triethylamine, 2-cyanobenzaldehyde reacted with (perfluoroalkyl)trimethylsilanes via ...
Masanori Inaba +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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