Results 111 to 120 of about 24,842 (217)
Cyaphide-Azide 1,3-Dipolar Cycloaddition Reactions: Scope and Applicability. [PDF]
Chemistry, 2023 Yang ES +4 more
europepmc +1 more source
Synthesis of new triazole-based trifluoromethyl scaffolds
Beilstein Journal of Organic Chemistry, 2008 Trifluoromethyl propargylamines react with various azide derivatives to afford 1,4-disubstituted 1,2,3-triazoles through a Huisgen 1,3-dipolar cycloaddition. The reaction is catalyzed by a Cu(I) species in acetonitrile, and the corresponding products are
Michela Martinelli +3 more
doaj +1 more source
Molecules, 2003 Vitamin D3 and its synthetic analogs are promising compounds for controlling various types of cell differentiation. In this article, we describe the synthesis of novel vitamin D3 analogs containing heteroatoms in their side chains – so-called ...
Kazuo Nagasawa +2 more
doaj +1 more source
Molecules, 2014 Cyclooctyne and cycloocten-5-yne undergo, at room temperature, a 1,3-dipolar cycloaddition with dialkyl acetylenedicarboxylates 1a,b to generate furan-derived short-lived intermediates 2, which can be trapped by two additional equivalents of 1a,b or ...
Klaus Banert +8 more
doaj +1 more source
Terpenes and Terpenoids: How can we use them?
European Journal of Organic Chemistry, Volume 28, Issue 24, June 24, 2025.The transition from petroleum‐based to renewable bio‐based chemicals has led to increased interest in terpenes and terpenoids. This overview highlights their chemistry, focusing on their reactivity and applications in polymerizations, total syntheses, pharmaceuticals, and bio‐based chemical conversions; promoting sustainable and green chemical ...
Jay Hanssens +3 more
wiley +1 more source
Molecules, 2013 An efficient synthesis of novel dispirooxindoles has been achieved through three-component 1,3-dipolar cycloaddition of azomethine ylides generated in situ by the decarboxylative condensation of isatin and an α-amino acid with the dipolarophile 5 ...
Liang Ouyang +5 more
doaj +1 more source
Advances in Mechanochemical Methods for One‐Pot Multistep Organic Synthesis
Chemistry – A European Journal, Volume 31, Issue 34, June 17, 2025.This review highlights recent advances in mechanochemical methods for multistep organic synthesis, focusing on sequential one‐pot approaches performed by grinding or ball milling. The presented transformations are discussed in terms of efficiency, applicability, and sustainability, assessing both the challenges and potential of solvent‐free one‐pot ...
Nina Biedermann, Michael Schnürch
wiley +1 more source
Decarboxylative 1,3-dipolar cycloaddition of amino acids for the synthesis of heterocyclic compounds. [PDF]
Beilstein J Org Chem, 2023 Zhang X, Ma X, Zhang W.
europepmc +1 more source
Chemistry – A European Journal, Volume 31, Issue 32, June 6, 2025.Fused nitrogen‐bridgehead N,O‐acetals receive specific emphasis as pivotal scaffolds due to their significant role in the bioactivity of medicinally relevant molecules. Significant approaches have been reported on their role as key synthetic building blocks/motifs in the construction of complex organic molecules and their utility as chiral auxiliaries ...
Alexis D. Kouvelas +2 more
wiley +1 more source
Copper(I)-catalyzed asymmetric 1,3-dipolar cycloaddition of 1,3-enynes and azomethine ylides. [PDF]
Nat Commun, 2023 Wang BR +6 more
europepmc +1 more source