Web三氟甲磺酸 reagent grade, 98%; CAS Number: 1493-13-6; EC Number: 216-087-5; Synonyms: TFMSA,三氟甲烷磺酸; Linear Formula: CF3SO3H; find Sigma-Aldrich-158534 MSDS, related peer-reviewed papers, technical documents, similar products & more at Sigma-Aldrich Webさらに、水のない条件で酸を作用させるとカチオン重合によりポリエチレンオキシド (peo) となる。 また、グリニャール試薬 (rmgx) と反応させると加水分解後に第一級アルコー …
三氟甲磺酸，试剂级，98 CF3SO3H - Sigma-Aldrich
WebTrifluoromethanesulfonic acid in anhydrous acetic acid c (CF3SO3H) = 0.1 mol/l, Titripur®; Synonyms: Trifluormethansulfonsäure; find Supelco-108450 MSDS, related peer-reviewed papers, technical documents, similar products & more at Sigma-Aldrich WebFeb 18, 2015 · We describe a synergistic catalysis strategy for the asymmetric direct addition of simple aldehydes to 4-vinylpyridines. By means of independent activation of weakly electrophilic 4-vinylpyridines by the Brønsted acid CF3SO3H (TfOH) and aldehydes by chiral diphenylprolinol tert-butyldimethylsilyl (TBDMS) ether-catalyzed formation of … tasawuf sosial kh sahal
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Webcas号查询致力于为化学行业用户免费提供ch3so3h的cas号、中文名称、英文名称相互转换服务,同时也包括ch3so3h的性质、化学式、分子结构、密度、熔点、沸点等信息。 WebTrifluormethansulfonsäure ist eine bei Standardbedingungen klare, farblose Flüssigkeit mit einem Siedepunkt von 162 °C. Die Verbindung raucht an der Luft, wobei sich das … WebOct 28, 2014 · Platinum in the form of nanoparticles is the key and most expensive component of polymer electrolyte membrane fuel cells, while trifluoromethanesulfonic acid (CF3SO3H) is the smallest fluorinated sulfonic acid. Nafion, which acts as both electrolyte and separator in fuel cells, contains -CF2SO3H gro … 魚べい メニュー表