17643-70-8Relevant academic research and scientific papers
Efficient procedure for oxathioacetalization using the novel ionic liquid
Bao, Shaohua,Chen, Lu,Ji, Yongjun,Yang, Jianguo
experimental part, p. 2119 - 2122 (2011/10/03)
The novel ionic liquid with multi-SO3H groups has been synthesized through the simple procedure and its catalytic activity for the oxathioacetalization was investigated carefully at room temperature under solvent-free condition. The results sho
An efficient and chemoselective method for conversion of carbonyl compounds to 1,3-oxathiolanes with 2-mercaptoethanol catalyzed by TiCl 4-montmorillonite
Jin, Tong-Shou,Zhao, Rui-Qiao,Ma, Yan-Ran,Yang, Mi-Na,Guo, Jun-Jie,Li, Tong-Shuang
, p. 503 - 505 (2007/10/03)
Formation of 1,3-oxathiolanes from aldehydes and ketones using 2-mercaptoethanol in the presence of TiCl4-montmorillonite under mild reaction conditions in excellent yields is described. Chemoselective monothioacetalization of aldehyde in the p
Amberlyst 15 as a mild, chemoselective and reusable heterogeneous catalyst for the conversion of carbonyl compounds to 1,3-oxathiolanes
Ballini,Bosica,Maggi,Mazzacani,Righi,Sartori
, p. 1826 - 1829 (2007/10/03)
The synthesis of 1,3-oxathiolanes from carbonyl compounds has been performed in good yields using Amberlyst15 as a convenient, reusable, heterogeneous catalyst. The procedure can be applied for the chemoselective protection of aldeydes in the presence of
ACTIVITY OF 1-OXA-3-THIACYCLOALKANES AND 2-ALKYLTHIOOXACYCLANES IN FREE-RADICAL ISOMERIZATION
Zorin, V. V.,Batyrbaev, N. A.,Zlot-skii, S. S.,Rakhmankulov, D. L.
, p. 347 - 352 (2007/10/02)
It was established that radical isomerization to alkyl esters of thiocarboxylic acids, initiated by tert-butyl peroxide at 130-150 deg C, is a common reaction for five-, six- and seven-membered 1-oxa-3-thiacycloalkanes and 2-alkylthiooxacycloalkanes.Under analogous conditions 2-diethylaminotetrahydropyran isomerizes to N,N-diethylvaleramide.The relation between the structure and the reactivity of 1-oxa-3-thiacycloalkanes and 2-alkylthiooxacycloalkanes in free-radical isomerisation was studied by the method of competing reactions.Depending on the ring size, the activity of the 1-oxa-3-thiacycloalkanes increases in the order : 1,3-oxathianes 1,3-oxathiolanes 1,3-oxathiepanes.
Sulfur Heterocycles. 3. Heterogeneous, Phase-Transfer, and Acid-Catalyzed Potassium Permanganate Oxidation of Sulfides to Sulfones and a Survey of their Carbon-13 Nuclear Magnetic Resonance Spectra
Gokel, George W.,Gerdes, Harold M.,Dishong, Dennis M.
, p. 3634 - 3639 (2007/10/02)
Although numerous oxidation methods are available for the transformation of sulfides into sulfones, low-molecular-weight, heterocyclic sulfides are often not amenable to this oxidation techniques.The method presented here is a general and economical oxidation using potassium permanganate and various catalysts.Nineteen low-molecular-weight and heterocyclic sulfides were successfully oxidized by variations of this technique, and the results are presented here.In addition, the carbon-13 NMR spectra of these compounds and about two dozen others are reported.General chemical shift trends are reported for selected compounds, and details can be found in the supplementary material.
