57585-11-2Relevant academic research and scientific papers
Copper-Catalyzed Geminal Difunctionalization of Terminal Alkynes by Splitting Sulfonyl Hydrazones into Two Parts
Sun, Qi,Li, Linge,Liu, Liyan,Guan, Qianqian,Yang, Yu,Zha, Zhenggen,Wang, Zhiyong
, p. 5592 - 5596 (2018/09/12)
A copper(I)-catalyzed geminal difunctionalization of terminal alkynes was developed via a carbene migratory insertion and an addition of a sulfonyl anion to the triple bond at the same time under mild reaction conditions, providing a variety of vinyl sulfones with good yields and excellent stereoselectivities.
Synthesis of Allenyl Esters by Horner-Wadsworth-Emmons Reactions of Ketenes Mediated by Isopropylmagnesium Bromide
Sano, Shigeki,Matsumoto, Tomoya,Yano, Teppei,Toguchi, Munehisa,Nakao, Michiyasu
supporting information, p. 2135 - 2138 (2015/09/15)
The synthesis of conjugated allenyl esters (tri-substituted allenes) was achieved by magnesium(II)-mediated Horner-Wadsworth-Emmons reaction of methyl bis(2,2,2-trifluoroethyl)phosphonoacetate with disubstituted ketenes. In addition, a novel access to α-fluorinated allenyl carboxamides (tetrasubstituted allenes) is presented.
Eine einfache Allencarbonsaeureester-Synthese mittels der Wittig-Reaktion
Lang, Robert W.,Hansen, Hans-Juergen
, p. 438 - 455 (2007/10/02)
A simple one-pot synthesis of variously substituted α-allenic esters (7-23, cf.Scheme 4) is described.Either of the phosphonium salts 1 and 2 or the phosphoranes 3-6 in methylene chloride (or acetonitrile) when treated with acid chlorides at room temperat
