Pinhey, John T.; Rowe, Bruce A., Australian Journal of Chemistry, 1980, vol. 33, # 1, p. 113 - 120
作者:Pinhey, John T.、Rowe, Bruce A.
DOI:——
日期:——
Direct observation of .alpha.-oxo ketenes formed from 1,3-dioxin-4-ones and the enols of .beta.-keto esters
作者:Beat Freiermuth、Curt Wentrup
DOI:10.1021/jo00007a008
日期:1991.3
The enol forms of beta-keto esters thermolyze to alcohols and alpha-oxo ketenes, which are characterized by low-temperature IR spectroscopy and on warming regenerate the beta-hydroxy-alpha,beta-unsaturated esters. The matrix isolated s-Z and s-E forms of alpha-oxo ketenes are characterized and photochemically converted into other conformers or sites. Matrix photolysis of 2,2,6-trimethyl-1,3-dioxin-4-one gives the s-Z acetylketene initially. Alpha-Oxo ketenes polymerize in the cold and dimerize only at elevated temperatures.
Palfray, Annales de Chimie (Cachan, France), 1923, vol. <9> 20, p. 345
作者:Palfray
DOI:——
日期:——
Haller; Palfray, Comptes Rendus Hebdomadaires des Seances de l'Academie des Sciences, 1923, vol. 176, p. 1193
作者:Haller、Palfray
DOI:——
日期:——
PINHEY J. T.; ROWE B. A., AUSTRAL. J. CHEM., 1980, 33, NO 1, 113-120