作者:D. Lloyd、M.I.C. Singer
DOI:10.1016/0040-4020(72)80142-x
日期:1972.1
described and discussed, including their UV spectra, basicities and reactivities towards aldehydes and nitrosobenzene. The phosphonium and arsonium ylides are less basic than the corresponding tetraphenylcyclopentadienylides, yet more reactive towards benzaldehyde. The ylides undergo protonation and acylation at the 5-position and their salts condense at this position with p-dimethylaminobenzaldehyde.
描述和讨论了吡啶鎓,三苯基phosph和三苯基ar 2,3,4-三苯基环戊二烯化物的性质,包括其紫外光谱,碱度和对醛和亚硝基苯的反应性。nium和ar的烷基化物比相应的四苯基环戊二烯基化物弱碱性,但对苯甲醛更具反应性。所述酰基在5-位进行质子化和酰化,并且它们的盐在该位置与对-二甲基氨基苯甲醛缩合。