119420-99-4Relevant academic research and scientific papers
B2pin2-Mediated Palladium-Catalyzed Diacetoxylation of Aryl Alkenes with O2 as Oxygen Source and Sole Oxidant
Huang, Jiuzhong,Ouyang, Lu,Li, Jianxiao,Zheng, Jia,Yan, Wuxin,Wu, Wanqing,Jiang, Huanfeng
supporting information, p. 5090 - 5093 (2018/09/12)
A novel palladium-catalyzed alkene diacetoxylation with dioxygen (O2) as both the sole oxidant and oxygen source is developed, which was identified by 18O-isotope labeling studies. Control experiments suggested that bis(pinacolato)diboron (B2pin2) played a dominant intermediary role in the formation of a C-O bond. This method performed good functional group tolerance with moderate to excellent yields, which could be successfully applied to the late-stage modification of natural products. Furthermore, an atmospheric pressure of dioxygen enhances the practicability of the protocol.
Pincer complex-catalyzed redox coupling of alkenes with lodonium salts via presumed palladium(IV) itermediates
Aydin, Juhanes,Larsson, Johanna M.,Selander, Nicklas,Szabo, Kalman J.
supporting information; experimental part, p. 2852 - 2854 (2009/12/05)
Palladium pincer complexes directly catalyze the redox coupling reactions of functionalized alkenes and iodonium salts. The catalytic process, which Is suitable for mild catalytic functionalization of allylic acetates and electron-rich alkenes, probably o
Highly regio- and stereoselective Heck reaction of allylic esters with arenediazonium salts: Application to the synthesis of kavalactones
Moro, Angelica Venturini,Cardoso, Flavio Sega Pereira,Correia, Carlos Roque Duarte
supporting information; experimental part, p. 3642 - 3645 (2011/02/25)
Image Presented A highly efficient palladium-catalyzed Heck reaction of allylic esters with arenediazonium salts is described. The reaction proceeds under mild conditions, with excellent to total regio- and stereochemical control and with retention of the traditional leaving group. Furthermore, the generality of the present methodology is illustrated by the short total synthesis of the natural kavalactones, yangonine, (±)-methysticin, and (±)-dihydromethysticin.
Oxidation by Cobalt(III) Acetate. Part 11. Oxidation of Conjugated Dienes by Cobalt(III) Acetate in Acetic Acid
Morimoto, Takashi,Hirano, Masao,Enokida, Takashi,Isomoto, Akihito,Hamaguchi, Takayoshi,Zhung, Xumin
, p. 1531 - 1536 (2007/10/02)
The oxidation of aliphatic and aromatic conjugated dienes by cobalt(III) acetate in acetic acid has been investigated.Open chain dienes were amoothly oxidized by cobalt(III) acetate to give vic-diol derivatives.Cyclo-octadiene was slowly converted into al
