Results 131 to 140 of about 4,038 (213)

Intramolecular Hydrogen Bond Activation: Thiourea-Organocatalyzed Enantioselective 1,3-Dipolar Cycloaddition of Salicylaldehyde-Derived Azomethine Ylides with Nitroalkenes. [PDF]

ACS Catal, 2018
Esteban F, Cieślik W, Arpa EM, Guerrero-Corella A, Díaz-Tendero S, Perles J, Fernández-Salas JA, Fraile A, Alemán J.   +8 more
europepmc   +1 more source

Targeted Synthesis of Complex Spiro[3H-indole-3,2'-pyrrolidin]-2(1H)-ones by Intramolecular Cyclization of Azomethine Ylides: Highly Potent MDM2-p53 Inhibitors. [PDF]

ChemMedChem, 2019
Gollner A, Weinstabl H, Fuchs JE, Rudolph D, Garavel G, Hofbauer KS, Karolyi-Oezguer J, Gmaschitz G, Hela W, Kerres N, Grondal E, Werni P, Ramharter J, Broeker J, McConnell DB.   +14 more
europepmc   +1 more source

1,3-Dipolar cycloaddition reactions of azomethine ylides with aromatic dipolarophiles

ARKIVOC, 2015
John H. Ryan
doaj   +1 more source

1,3-dipolar cycloaddition reactions of some azomethine imines and azomethine ylides

, 2005
In this work, 1,3-dipolar cycloaddition reactions of three azomethine imines(betaines) and, three azomethine ylides, which are the new in the literature, to thedifferent dipolarophiles such as; dimethyl acetylene dicarboxylate, diethylacetylenedicarboxylate, vinyl acetate, diphenyl acetylene, phenylacetylene andvinylene carbonate are described.
openaire   +3 more sources

Influence of N-substituents of carbamoyl-stabilized azomethine ylides in 1,3-dipolar cycloadditions

ARKIVOC, 2002
Jiří Pospíšil, Martin Trávníček, Milan Potáček   +2 more
doaj   +1 more source

Recent developments in the organocatalytic asymmetric cycloaddition/annulation reactions involving indolylmethanols. [PDF]

RSC Adv
Patel A, Harshit, Iype E, Kumar I.
europepmc   +1 more source

A new entry to azomethine ylides from allylic amines and glyoxals: shifting the reliance on amino ester precursors. [PDF]

Org Lett, 2014
Machamer NK, Liu X, Waters SP.
europepmc   +1 more source

Diastereoselective synthesis of dispirooxindoles via [3+2] cycloaddition of azomethine ylides to 3-phenacylideneoxindoles and evaluation of their cytotoxicity. [PDF]

RSC Adv, 2018
Huang Y, Huang YX, Sun J, Yan CG.
europepmc   +1 more source

Spirobarbiturates with a pyrrolizidine moiety: synthesis, structure and biological evaluation. [PDF]

Beilstein J Org Chem
Puzyrkov AA, Drachuk AS, Popova EA, Stepakov AV, Boitsov VM.   +4 more
europepmc   +1 more source

Unstabilized azomethine ylides for the stereoselective synthesis of substituted piperidines, tropanes, and azabicyclo[3.1.0] systems. [PDF]

J Am Chem Soc, 2013
Ischay MA, Takase MK, Bergman RG, Ellman JA.   +3 more
europepmc   +1 more source