Unsaturated heterocyclic systems. LXIX. Transition-state geometry of a (2 + 2) cycloaddition reaction. Asymmetric synthesis in a sulfene-enamine condensation
Enantioselectivity of Haloalkane Dehalogenases and its Modulation by Surface Loop Engineering
作者:Zbynek Prokop、Yukari Sato、Jan Brezovsky、Tomas Mozga、Radka Chaloupkova、Tana Koudelakova、Petr Jerabek、Veronika Stepankova、Ryo Natsume、Jan G. E. van Leeuwen、Dick B. Janssen、Jan Florian、Yuji Nagata、Toshiya Senda、Jiri Damborsky
DOI:10.1002/anie.201001753
日期:2010.8.16
In the loop: Engineering of the surfaceloop in haloalkanedehalogenases affects their enantiodiscrimination behavior. The temperature dependence of the enantioselectivity (lnE versus 1/T) of β‐bromoalkanes by haloalkanedehalogenases is reversed (red data points) by deletion of the surfaceloop; the selectivity switches back when an additional single‐point mutation is made. This behavior is not observed
Mechanism of thietane formation from the reaction of 1,3-dioxan-2-ones with thiocyanate ion. Stereochemical investigation
作者:Leo A. Paquette、John P. Freeman
DOI:10.1021/jo00832a032
日期:1970.7
Shaw, R. A.; Ibrahim, N.; Wieser, H., Canadian Journal of Chemistry, 1991, vol. 69, # 2, p. 345 - 356
作者:Shaw, R. A.、Ibrahim, N.、Wieser, H.
DOI:——
日期:——
Unsaturated heterocyclic systems. LXIX. Transition-state geometry of a (2 + 2) cycloaddition reaction. Asymmetric synthesis in a sulfene-enamine condensation