
W(OTf)6-催化大环内酯的环收缩或末端羟基脂肪酸在离子液体 …
本文提出了一种基于环收缩的γ-内酯制备新方法。 从大环内酯类化合物开始,使用W(OTf)6催化开环聚合然后解聚。 解聚步骤不是通常的闭环过程,通过重新排列形成最热力学上稳定的五 …
三氟甲磺酸酯 - 百度百科
三氟甲磺酸酯(英文:Trifluoromethanesulfonate,简称:triflate),是一种具有化学式CF3SO3 - 的 官能团。 因为- Tf 基团是三氟甲 磺酰基,这种官能团常也简写为-OTf。 如三氟甲磺酸正 丁 …
苏州大学郎建平/牛政课题组JACS:具有可控变形度的超分子八面 …
2020年8月23日 · 以长链烷基配体 1,4- 双 (吡啶-4- 乙炔基 )苯(L2)和4,4 ' - 双 (吡啶-4- 乙炔基 )-1,1 ' -联苯(L3)分别成功制备了八面体笼状化合物[2](OTf) 6 和[3](OTf) 6 。由于配体中只有一个炔基 …
W(OTf)6 catalyzed synthesis of γ-lactones via ring contraction of ...
Starting with macrolides, W(OTf)6 was used to catalyze the ring﹐pening polymerization then depolymerization. More remarkable, the depolymerization was not a common ringヽlosing …
A Comprehensive Study on Metal Triflate-Promoted …
Herein, we report a developed solvent-free catalytic transformation, in which W (OTf)6 is believed to promote the hydrogenolysis process. This strategy could efficiently hydrogenate lactones to …
一种γ‑己内酯的制备方法与流程 - X技术网
将6-己内酯加入反应容器中,再加入以6-己内酯为基准的2mol%的W(OTf) 6 ,在速率为100r/min的搅拌条件下升温至150℃,在无溶剂条件下保温重排反应10h,保温重排反应过程中不停搅 …
W(OTf)6‐Catalyzed Synthesis of γ‐Lactones by Ring Contraction of ...
Starting from macrolides, W(OTf) 6 was used to catalyze the ring‐opening polymerization then depolymerization. The depolymerization step was not a common ring‐closing process, and the …
Orangetheory Fitness - Reddit
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全效三氟甲基化试剂:TT-CF3+•OTf–的力量 - 知乎专栏
TT-CF3+•OTf–作为一种新型全效三氟甲基化试剂,展现出其独特的“全能”魅力。 其简便制备、稳定安全以及广泛的适用性,使其成为三氟甲基化领域的佼佼者。 通过多样化的反应验证,TT …
Daily Workout and General Chat for Monday, 6/10/24
2024年6月10日 · Come here to discuss the workouts, the results, and get help from your fellow OTFers. We are operated and moderated by community members, and we are not affiliated …