1,3-丙磺酸内酯的制备方法 Preparation of 1,3-propane sultonedoi:CN101456855 B本发明公开了1,3-丙磺酸内酯的制备方法,以亚硫酸氢盐,亚硫酸盐和烯丙醇为原料,水为介质,冠醚为催化剂,在一定温度下反应生成为含羟基丙磺酸盐的反应混合物,将得到的含羟基丙磺酸盐的反应混合物在酸化剂和溶剂环境下,反应生成含...
The present invention is directed to provide an efficient production method which is capable of not only obtaining a cyclic sulfonic acid ester (sultone) at low cost and in high yield, but also the sulfonic acid ester (sultone) stably even in a commercial scale. The present invention relates ...
Reaction of dimethylaminoethyl ferrocene with 1, 3-propane sultone yields a zwitterionic ferrocene electron donor. The e... I Willner,WE Ford - 《Journal of Heterocyclic Chemistry》 被引量: 10发表: 2010年 Study on the preparation and electro-deformation of EVOH-SO3K IPMC 1,3-propane sultone...
1,3-Propanesultone: Chemical properties, uses and carcinogenicity Feb 10, 2025 Diethyltoluenediamine: Uptake, Dist... Feb 8, 2025 Unlocking the Potential of Veratraldehyde: A Comprehensive Exploration Feb 8, 2025 Phthalimide manufacturers Phthalimide $10.00 / 1KG 2024-11-29 CAS:85-41-6 Min. ...
Selective quaternization of the tertiary amino site of N,N -dimethyl- N -(3-isocyanopropyl)amine by 1,3-propanesultone or 2,2-dicyanoketene-ethylene acetal... A Bieglé,A Mathis,JC Galin - 《Macromolecular Chemistry & Physics》 被引量: 70发表: 2000年 Zwitterion effect in polyelectrolyte ge...
molecules Review The Role of Sub- and Supercritical CO2 as "Processing Solvent" for the Recycling and Sample Preparation of Lithium Ion Battery Electrolytes Sascha Nowak 1,* and Martin Winter 1,2 1 MEET Battery Research Center, University of Muenster, Corrensstraße 46, 48149 Münster, ...
reacting the thus-formed product having some unreacted amino groups with a member selected from the group consisting of 1,3-propanesultone, 1,4-butanesultone, &bgr;-propiolactone, &egr;-caprolactone and &dgr;-valerolactone, thereby to render the polymer amphoteric, and mixing the resulting polymer...
(ZLs) were successfully synthesized.ZL/Nafion membranes were fabricated by blending and casting methods.ZL/Nafion showed excellent ion transport, thermal stability, and hydrophilicity.ZL/Nafion retained a considerable proton conductivity.ZL additives improved the chemical and oxidation resistance of Nafion ...
C07K 3/22, A61 K 3 7 / 0 2 , q01 |\| 33/564, C12P 2 1 / 0 2 漏 Date of filing: 16.04.86 漏 International application number: PCT/US86/00811 漏 International publication number: WO 86/06079 (23.10.86 86/23) PURIFIED PROTEIN HAVING ANGIOGENIC ACTIVITY AND METHODS OF PREPARATION...
The preparation method comprises the following steps of: carrying out a reaction on 30-70 parts of dyhydroxyl carboxylate (such as 2,2-dimethylolbutyric acid, sodium salt) and 25-60 parts of sultone (such as 1,3-propane suhone) for 1-5 hours at the temperature of 60-150 DEG C in a...