Results 31 to 40 of about 24,842 (217)
ChemInform Abstract: 1,3‐Dipolar Cycloadditions of Azomethine Imines
ChemInform, 2015 AbstractReview: [162 refs.
Nájera, Carmen +2 more
openaire +6 more sources
Molecules, 2019 The alkylation of a series of nitroindazole derivatives with 1,2-dibromoethane afforded the corresponding N-(2-bromoethyl)- and N-vinyl-nitro-1H-indazoles.
Mohammed Eddahmi +9 more
doaj +1 more source
Organic Letters, 2017 The double 1,3-dipolar cycloaddition of allenoates with nitrilimines has been achieved under mild reaction conditions, affording a variety of spirobidihydropyrazoles in moderate to excellent yields with excellent diastereoselectivities.
Honglei Liu +4 more
semanticscholar +1 more source
Recent advances in the catalytic asymmetric 1,3-dipolar cycloaddition of azomethine ylides.
Chemical Communications, 2014 Catalytic asymmetric 1,3-dipolar cycloadditions of azomethine ylides have turned out to be one of the most efficient methods for the preparation of enantioenriched pyrrolidines.
J. Adrio, J. Carretero
semanticscholar +1 more source
Beilstein Journal of Organic Chemistry, 2022 A reliable method for the synthesis of bis-spirocyclic derivatives of 3-azabicyclo[3.1.0]hexanes through the 1,3-dipolar cycloaddition (1,3-DC) reactions of cyclopropenes to the stable azomethine ylide – protonated form of Ruhemann's purple (PRP) has ...
Alexander S. Filatov +4 more
doaj +1 more source
1,3-Dipolar Cycloadditions to Bicyclic Olefins. I. 1,3-Dipolar Cycloadditions to Norbornadienes [PDF]
Bulletin of the Chemical Society of Japan, 1977 Abstract The 1,3-dipolar cycloadditions of phenylglyoxylonitrile oxide, benzonitrile-N-phenylimine, or N-phenyl-C-p-nitrophenylnitrone to norbornadiene, 2,3-dicyanonorbornadiene, and 2,3-bis(methoxycarbonyl)norbornadiene give the endo-adducts, together with the exo-adducts.
Eiji Imoto +3 more
openaire +3 more sources
1,3 dipolar cycloaddition of münchnones: Factors behind the regio-selectivity
The Journal of Physical Chemistry A, 2022 The 1,3 dipolar cycloaddition reactions of münchnones and alkenes provide an expedite synthetic way to substituted pyrroles, an exceedingly important structural motif in the pharmaceutical and material science fields of research. The factors governing their regio-selectivity rationalization are not well understood.
Meylin Bocalandro +3 more
openaire +2 more sources
PHOSPHONATED ISOXAZOLIDINYL NUCLEOSIDES, A NEW CLASS OF MODIFIED NUCLEOSIDES [PDF]
Euromediterranean Biomedical Journal, 2014 This review offers an overview of the synthesis of phosphonated isoxazolidinyl nucleosides, a new class of interesting and potentially antiviral/antitumor agents.
Salvatore Giofrè
doaj +1 more source
Angewandte Chemie, EarlyView.Xanthopinacol (xpin) boronates are a conceptually new class of masked boronic acids designed to alleviate many of the disadvantages of pinacol esters and other popular adducts. They can be formed directly from xanthone and UV light, undergo orthogonal transformations, and are cleavable under photoredox catalysis or oxidative conditions that recycle ...
David M. Heard +2 more
wiley +2 more sources
Synthesis of Heterocylic Compounds of Biological Interest from Carbohydrate Derivatives
Molecules, 2000 The synthesis of some isoxazolic compounds from carbohydrate derivatives is described. These products are obtained by 1,3-dipolar cycloaddition reaction and their functionalization leads to derivatives with potential biological activities.
M. F. Martinez Esperón +2 more
doaj +1 more source