The Correlation of Lewis Acidities of Silyl Triflates with Reaction Rates of Catalyzed Diels–Alder Reactions
The Correlation of Lewis Acidities of Silyl Triflates with Reaction Rates of Catalyzed Diels–Alder Reactions
复制标题
三氟甲磺酸硅酯的路易斯酸度与催化狄尔斯阿尔德反应速率的相关性
DOI:
10.1002/ejoc.201101307
复制
发表时间:
2011
影响因子:
2.8
通讯作者:
A. Nödling
中科院分区:
文献类型:
--
作者:
G. Hilt;A. Nödling
The Lewis acidity of various silyl triflates was quantified by utilizing [D5]pyridine as a2H NMR spectroscopy probe. The chemical shifts of the2H NMR signals for pyridine–silyl adducts are reported. The rate constants of silyl triflate catalyzed Diels–Alder reactions were determined by using UV/Vis spectroscopy. A correlation of the magnitude of the2H NMR chemical shifts with the rate constants for most silyl triflates investigated was observed, but Me3SiOTf exhibits a surprisingly large deviation. Control experiments indicate that proton catalysis of the Diels–Alder reaction can be excluded.
登录
查看更多内容
DOI:
--
发表时间:
1986
期刊:
影响因子:
--
作者:
M. Thérien;C. Ni;F. Anson;J. Osteryoung;W. Trogler
通讯作者:
W. Trogler
影响因子:
2.8
作者:
Hilt, Gerhard;Puenner, Florian;Bohn, Martin A.
通讯作者:
Bohn, Martin A.
影响因子:
1.8
作者:
G. Schwarzenbach;M. Schellenberg
通讯作者:
M. Schellenberg
DOI:
--
发表时间:
1982
期刊:
影响因子:
--
作者:
M. Demuth;G. Mikhail
通讯作者:
G. Mikhail
DOI:
--
发表时间:
1984
期刊:
影响因子:
--
作者:
G. Olah;K. Laali;O. Farooq
通讯作者:
O. Farooq