
叔丁基二甲硅基三氟甲磺酸酯 | 69739-34-0 - ChemicalBook
常用在顺式-双 (链烯基)环氧乙烷上引入大位阻的叔丁基二甲基硅基,促进室温 Cope 重排反应生成 2-CF3-4,5-二氢噁庚英;还可与与硫代坊共同用于促进快速高效的硫族化物-Morita-Baylis-Hillman 反应。 TOKYO CHEMICAL INDUSTRY CO., LTD.
tert -Butyldimethylsilyl trifluoromethanesulfonate
This reagent was used to introduce a bulky tert -butyl dimethylsilyl group onto a cis -bis (alkenyl)oxirane facilitating a room temperature Cope rearrangement to a 2-CF 3 -4,5-dihydrooxepin. [1] Together with a thiolane promotes a rapid and efficient chalcogenide-Morita-Baylis-Hillman reaction. [2] Choose from one of the most recent versions:
tert-Butyldimethylsilyl Trifluoromethanesulfonate 69739-34-0
tert-Butyldimethylsilyl Triflate (=TBSOTf) [T1525] 2,6-Lutidine [L0067] α,α-Diphenyl-D-prolinol [D2365] Dichloromethane; Procedure. TBSOTf (1.36 mL, 5.92 mmol, 3.0 eq.) was added to a solution of α,α-diphenyl-D-prolinol (500 mg, 1.97 mmol) and 2,6-lutidine (1.4 mL, 11.8 mmol, 6.0 eq.) in dichloromethane (10 mL) at 0 °C. The mixture was ...
叔丁基二甲硅基三氟甲磺酸酯在合成中的应用 - ChemicalBook
2023年4月4日 · 叔丁基二甲硅基三氟甲磺酸酯是高活性硅化剂和Lewis酸,能够将伯、仲、叔醇转化为相应的TBDMS醚,并将酮和内酯转化为相应的烯醇硅基醚;促进烷基锌化合物和三苯基膦与α、β-烯酮的共轭加成; [4 +2]环加成反应中染色质的活化吡啶环向格氏试剂的活化和叔胺N-氧化物的反式烷基化N-叔丁氧基羰基转变为N-烷氧基。 伯醇、仲醇和叔醇通过与叔丁基二甲硅基三氟甲磺酸酯反应进行硅烷化,收率极佳。 通过用1-2当量的TBDMS三氟甲磺酸酯和1.5当量的三乙胺 …
叔丁基二甲硅基三氟甲磺酸酯_化工百科 - ChemBK
叔丁基二甲硅基三氟甲磺酸酯(TBS triflate)是一种有机化合物。 以下是关于TBS triflate的性质、用途、制法和安全信息的介绍: - 外观:TBS triflate为无色至浅黄色液体。 - 溶解性:可溶于多数有机溶剂,如乙醚、二氯甲烷和苯等。 - 稳定性:在常温下相对稳定。 - TBS triflate在有机合成中被广泛应用作为一种有效的保护基。 它可用于保护醇、醚和胺等化合物,以防止其在反应中发生意外改变。 - 它也可以作为氟化试剂,在一些特定化学反应中起催化剂或活化剂的作用。 - TBS …
tert-Butyldiphenylsilyl Trifluoromethanesulfonate 92886-86-7 - TCI …
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叔丁基二甲基硅基三氟甲磺酸酯 - 化源网
2024年1月2日 · 催化chalcogenide-Morita-Baylis-Hillman 反应。 反应中引入叔丁基二甲基硅烷基基团。 存放在密封容器内,并放在阴凉,干燥处。 储存的地方必须远离水源,远离碱存放,切 …
tert-Butyldimethylsilyl trifluoromethanesulfonate - NIST …
Use this link for bookmarking this species for future reference. The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected …
叔丁基二甲基硅基三氟甲磺酸酯 reagent grade, 98% | Sigma-Aldrich
这种试剂用于在顺式-双 (链烯基)环氧乙烷上引入大位阻的叔丁基二甲基硅基,促进室温 Cope 重排反应生成 2-CF 3 -4,5-二氢噁庚英。 没有发现合适的版本? 已有该产品? 在文件库中查找您最近购买产品的文档。
tert-Butyldimethylsilyl trifluoromethanesulfonate, 98%, Thermo ...
tert-Butyldimethylsilyl trifluoromethanesulfonate is involved in the introduction of a bulky tert-butyl dimethylsilyl group onto a cis-bis (alkenyl)oxirane used in Cope rearrangement. It is associated with a thiolane and promotes the chalcogenide-Morita-Baylis-Hillman reaction. Further, it is used as a highly reactive silylating agent.