69435-89-8Relevant academic research and scientific papers
Synthesis of trimethylsilyl carboxylates by HMDS under solvent-free conditions
Jereb, Marjan,Lakner, Janja
, p. 5713 - 5723 (2016/08/23)
A broad set of structurally different carboxylic acids were transformed into their trimethylsilyl esters with HMDS in a practically completely solvent-free process, while a catalytic amount of iodine was required in some cases. The process has several advantages over the known methods: untreated reactants, air atmosphere, mild and neutral conditions, no evolution of hydrogen halide, no need of an additional base, low amount of waste, completely without chromatography, low consumption of energy, and operational simplicity.
Dealkylation of esters via treatment with N-(trimethylsilyl) diethylamine and methyl iodide
Yamamoto, Yasushi,Shimizu, Hideaki,Hamada, Yoshitaka
, p. 119 - 122 (2007/10/03)
A method for the conversion of esters to carboxylic acids has been reported. Reaction of methyl o-methoxybenzoate with N-(trimethylsilyl)diethylamine and methyl iodide, followed by hydrolysis, afforded o-methoxybenzoic acid with a 94% yield based on 96% conversion. Methyl esters of not only aromatic acids but also aliphatic acids were converted to the corresponding acids with high yields. A combination of N-(trimethylsilyl)dimethylamine and methyl iodide was also effective to give p-methylbenzoic acid with a 85% yield based on 90% conversion from the corresponding methyl ester.
1H and 13C ENDOR Investigations of Sterically Hindered Galvinoxyl Radicals
Kirste, B.,Harrer, W.,Kurreck, H.,Schubert, K.,Bauer, H.,Gierke, W.
, p. 6280 - 6286 (2007/10/02)
A variety of overcrowded novel galvinoxyl radicals have been synthesized.Steric requirements of bulky substituents have been studied by means of ESR, ENDOR, TRIPLE, and ENDOR-induced ESR spectroscopy.From 1H and 13C ENDOR measurements in nematic and smect
A FACILE SILYLATION OF CARBOXYLIC ACIDS WITH HEXAMETHYLDISILOXANE
Matsumoto, Hideyuki,Hoshino, Yoshikazu,Nakabayashi, Jiro,Nakano, Taichi,Nagai, Yoichiro
, p. 1475 - 1478 (2007/10/02)
It was found that, in the presence of a catalytic amount of sulfuric acid, hexamethyldisiloxane silylates carboxylic acids to give trimethylsilyl carboxylates in good yields.
