Results 91 to 100 of about 25,619 (230)
Synthesis of oxetane/azetidine containing spirocycles via the 1,3-dipolar cycloaddition reaction [PDF]
, 2016 Silver catalyzed 1,3-dipolar cycloaddition reactions between methyl 2-(oxetane/azetidine-3 ylidene) acetate as dipolarophiles and imines derived from –amino acid methyl esters, 2-aminomethyl pyridine and 2-aminomethyl pyrazine afforded oxetane/azetidine ...
Proud, M, Jones, B, Sridharan, V
core +1 more source
Heterocyclic Communications, 2019 The regiospecific 1,3-dipolar cycloaddition of 1,5-dihydropyrrol-2-one and arylnitrile oxides derivatives have been investigated. The asymmetric induction expected by the chiral centre of the 5-hydroxy-3-methyl-1,5-dihydropyrrol-2-one derivatives was ...
Guesmi A, Hamadi N Ben
doaj +1 more source
Orbital: The Electronic Journal of Chemistry, 2012 We have been synthesized various glycosyl triazoles from the reaction between glycosyl azide (1) and terminal alkynes (2a-g). The glycopiranosyl 1,2,3-triazoles (3-9) have been obtained in moderate-to-excellent yields (63-99%) through the copper (I ...
Gilson Bezerra Silva +1 more
doaj +1 more source
European Journal of Organic Chemistry, Volume 29, Issue 26, 13 July 2026.An approach to prepare pyrido[2,1‐a]isoindoles via the cycloaddition of pyridine‐based 1,3‐dipoles and benzyne is described, offering modular access to a range of substituted products by systematic tuning of the dipole. A modular strategy for the synthesis of fused indolizine/isoindole hybrids, pyrido[2,1‐α]isoindoles, via cycloaddition of pyridine ...
Samira Taghizadeh Nodehi +2 more
wiley +1 more source
A new chiral phosphine oxide ligand for enantioselective 1,3-dipolar cycloaddition reactions of azomethine ylides [PDF]
, 2010 A new set of phosphorus-containing chiral ligands has been synthesized and used with silver(I) for the catalytic asymmetric 1 3-dipolar cycloaddition reaction of azomethine ylides One of these ligands (POFAM6) was found to produce an effective catalyst ...
Philip P. Garner +5 more
core +1 more source
Beilstein Journal of Organic Chemistry, 2016 A series of spiro[isoindole-1,5-isoxazolidin]-3(2H)-ones has been synthesized by 1,3-dipolar cycloaddition of N-benzylnitrone with isoindolin-3-methylene-1-ones.
Salvatore V. Giofrè +10 more
doaj +1 more source
Chemistry – A European Journal, Volume 32, Issue 26, 11 July 2026.Monosubstituted N‐arylhydroxylamines represent a unique subclass of hydroxylamines that act as pivotal intermediates in redox transformations and as versatile platforms for further synthetic transformations. They serve as key building blocks in the synthesis of architecturally complex heterocycles and other valuable organic compounds.
Michael G. Kallitsakis +2 more
wiley +1 more source
Synthesis of Different Heterocyclic Compounds of Pharmaceutical Relevance [PDF]
This thesis describes the synthesis of different cyclic imines and the exploration of their reactivity with cyclopropenones and 1,3-dipoles,as well as an investigation of the chemistry of the products.
Khan, Musharraf Naveed
core
First 1,3-Dipolar Cycloaddition of Azomethine Ylides With (E)-Ethyl 3-Fluoroacrylate. Regio- and Stereoselective Synthesis of Enantiopure Fluorinated Prolines. [PDF]
, 2006 Enantiopure fluorinated prolines with four chiral centers were obtained from 1,3-dipolar cycloaddition of azomethine ylides and (E)-ethyl 3 ...
Boschi, Francesca +15 more
core +1 more source
Ruthenium(II)-Catalyzed Tandem C–H Allylation and [3 + 2] Dipolar Cycloaddition to Construct Bridged Tetracycles [PDF]
The ruthenium(II)-catalyzed tandem C–H allylation and intramolecular dipolar cycloaddition between azomethine imines and 2-methylidenetrimethylene carbonate is described herein. The initially formed β-substituted allyl fragment could trigger the exotype
Prithwish Ghosh (7122755) +6 more
core +3 more sources