Results 51 to 60 of about 737,596 (164)
, 2016 By applying a skeleton transformation reaction using dimethylsulfoxonium methylide, a novel reaction was identified by which 5,6,7,8-tetrahydrocoumarin with the electron-withdrawing group at C3 was led to the spirobicyclo[3.1.0]hexane-cyclohexane ...
Naoto Kojima (2015914) +5 more
core +1 more source
Revista Brasileira de Ciências AmbientaisAgro-industrial waste is considered a global concern. Many of these residues are composed of considerable amounts of lipids and starch that can potentially be applied in bioprocesses, as is the case with residues from the bacuri fruit (Platonia insignis ...
Adriana Silva do Nascimento +8 more
doaj +1 more source
Comprehensive Reviews in Food Science and Food Safety, Volume 25, Issue 4, July 2026.ABSTRACT The global prevalence of iron (Fe) deficiency anemia (IDA) continues to pose major public health challenges, necessitating the development of effective fortification strategies. Dairy‐based systems are promising vehicles for Fe fortification and delivery due to their widespread consumption and nutritional value, although their complex matrix ...
Ishara De Silva +5 more
wiley +1 more source
, 2016 Asymmetric Synthesis of the C3α Fragment of 5,6-Dihydro-α-pyrone Nonpeptidic HIV-1 Protease ...
Arthur G. Romero (3037959) +3 more
core +1 more source
Beilstein Journal of Organic Chemistry, 2019 Starting from substituted alkynones, α-pyrones and/or 1H-pyridines were generated in a Michael addition–cyclocondensation with ethyl cyanoacetate. The peculiar product formation depends on the reaction conditions as well as on the electronic substitution
Natascha Breuer +3 more
doaj +1 more source
Synthetic and Structure-Activity Relationship of Insecticidal Bufadienolides
Natural Product Communications, 2014 A new synthetic analog of bufadienolide, methyl isobryophyllinate A ( 1 ), and a known synthetic analog, methyl isobersaldegenate-1,3,5-orthoacetate ( 2 ), were obtained by methanolysis of bryophyllin A ( 3 ) and bersaldegenin-1,3,5-orthoacetate ( 5 ) in
Ace Tatang Hidayat +5 more
doaj +1 more source
Push–Pull Ynamines and Push–Pull Ynamides: Synthesis, Structure, Reactivity, and Application
European Journal of Organic Chemistry, Volume 29, Issue 19, 22 May 2026.Push–pull ynamines and push–pull ynamides, which carry an EWG and an amino or amido group as EDG, are highly interesting classes of EDG‐EWG alkynes that have been intensively studied due to their exceptional reactivity. In this review, the synthesis, structure, reactivity, and application of push–pull ynamines, push–pull ynecarbamates, push–pull ...
Hans‐Joachim Gais
wiley +1 more source
Recent Approaches for the Synthesis of Pyridine and Quinoline Cores Present in Natural Products
Advanced Synthesis &Catalysis, Volume 368, Issue 10, 19 May 2026.An anthology of the most recent methods used to synthesize pyridines and quinolines found in natural products over the last decade. Pyridines, quinolines, and their derivatives represent a class of significant heterocyclic compounds that are prevalent in a multitude of natural products, including alkaloids found in plants, fungi, insects, marine ...
Carl Bowman +2 more
wiley +1 more source
, 2016 3,5-Dibromo-2-pyrone underwent facile Pd(0)-catalyzed coupling reactions with various alkynes to give rise to the corresponding 3-alkynyl-5-bromo-2-pyrones with good to excellent chemical yields and ...
Jung-Sang Park (3030399) +2 more
core +1 more source
Cytotoxic α-pyrone derivatives from Cryptocarya yunnanensis
, 2020 Five new α-pyrone derivatives, cryptoyunnanes A − E (1 − 5), together with four known analogues, were isolated from the leaves and twigs of Cryptocarya yunnanensis.
Qian He (248656) +8 more
core +1 more source