Results 131 to 140 of about 1,782 (182)

Recent Developments in the Metal-Catalyzed Synthesis of Nitrogenous Heterocyclic Compounds. [PDF]

Molecules
Zhang X, Bi W, Cao Z, Shen J, Chen B.
europepmc   +1 more source

Precise construction of spiro stereocenters <i>via</i> enantioselective radical addition through modulating photocatalysis from redox to energy transfer. [PDF]

Chem Sci
Liu F, Guo Y, Lu W, Zhao X, Yin Y, Jiang Z.   +5 more
europepmc   +1 more source

Cyclisation reactions of diene-conjugated nitrile ylides [PDF]

, 1986
Groundwater, Paul William
core  

<i>One-pot</i> dearomatizative telescoped addition of <i>C</i>-nucleophiles to fluorinated 1,2,4-oxadiazoles followed by regioselective <i>N</i>-functionalization.

Org Chem Front
Castiglione D, Amata S, Lauria F, Maranzana A, Baldino S, Prado-Roller A, Castoldi L, Palumbo Piccionello A, Pace V, Comas Iwasita EI.   +9 more
europepmc   +1 more source

Azirines. V. The Reaction of 2-Phenyl-3, 3-pentamethylene1-azirine with Acid Chlorides

Nippon kagaku zassi, 1969
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Carbamoyl Anion Addition to Azirines

Organic Letters, 2021
The addition of carbamoyl anions to azirines affords synthetically useful 2-aziridinyl amide building blocks. The reaction scope was explored with respect to both formamide and azirine, and the addition was found to be highly diastereoselective. A one-pot conversion of a ketoxime to an aziridinyl amide was demonstrated.
Michael J. Kerner, Christian A. Kuttruff, Maxim Chevliakov, Frederic G. Buono, Donghong A. Gao, Mariusz Krawiec, Carl A. Busacca, Chris H. Senanayake, Peter Wipf, Jonathan T. Reeves   +9 more
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2H-Azirines in medicinal chemistry

Chemistry of Heterocyclic Compounds, 2021
The review presents an analysis of studies published in the period 1971–2020 devoted to examination of the biological activity of natural and synthetic 2H-azirine derivatives, their use for bioconjugation, as well as search for some new synthetic methods of structural modification of azirines with the aim of improving their biological activity.
Pavel А. Sakharov, Mikhail S. Novikov, Nikolai V. Rostovskii   +2 more
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ChemInform Abstract: AZIRINE ALKYLATION

Chemischer Informationsdienst, 1976
AbstractDas Azirin (I) wird durch Trifluormethansulfonsäuremethylester zum Salz (III) gespalten, das mit Natriumhydrogencarbonat quantitativ die Base (IV) ergibt und mit verd. Salzsäure in Äthanol zum Pyraziniumsalz (V) cyclisiert.
J. A. DEYRUP, W. A. SZABO
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ChemInform Abstract: AZIRINE PHOTOCHEMISTRY, CYCLIZATION OF 2‐STYRYL‐2H‐AZIRINES TO BENZAZEPINES

Chemischer Informationsdienst, 1974
AbstractDie Photolyse der isomeren Phenyl‐styryl‐azirine (I) führt zum Benzazepin (II), dessen Struktur durch Addition von Acetylendicarbonsäureester (III) zum Additionsprodukt (IV) bestätigt wird.
A. PADWA, J. SMOLANOFF
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Formation of Functionalized 2H-Azirines through PhIO-Mediated Trifluoroethoxylation and Azirination of Enamines

Organic Letters, 2013
A variety of enaminones and enamine carboxylic esters were converted to trifluoroethoxylated 2H-azirines through reactions with PhIO in trifluoroethanol (TFE). The cascade reaction is postulated to proceed via a PhIO-mediated oxidative trifluoroethoxylation and a subsequent azirination of the α-trifluoroethoxylated enamine intermediates.
Xiaoqian, Sun, Youran, Lyu, Daisy, Zhang-Negrerie, Yunfei, Du, Kang, Zhao   +4 more
openaire   +2 more sources