Enantio- and Regioselective Ir-Catalyzed Hydrogenation of Di- and Trisubstituted Cycloalkenes
作者:Byron K. Peters、Jianguo Liu、Cristiana Margarita、Wangchuk Rabten、Sutthichat Kerdphon、Alexander Orebom、Thomas Morsch、Pher G. Andersson
DOI:10.1021/jacs.6b07291
日期:2016.9.14
carbons away from the olefin. Substrates having functionalities such as carboxyl groups, alcohols, or heterocycles in the vicinity of the C═C bond were hydrogenated in high enantiomeric excess (up to >99% ee). The hydrogenation was also found to be regioselective, and by controlling the reaction conditions, selective hydrogenation of one of two trisubstituted olefins can be achieved. Furthermore, trisubstituted
A compound having the structure (A) where R1 is C1 to C5 alkyl, and R2 to R5 are independently selected from H and methyl, having a strong odour and for use as a perfumery ingredient, particularly in Muguet accords/fragrances, is provided.
A compound having the structure (A) where R1 is C1 to C5 alkyl, and R2 to R5 are independently selected from H and methyl, having a strong odor and for use as a perfumery ingredient, particularly in Muguet accords/fragrances, is provided.