One of the major reasons for studying chemical kinetics is to use measurements of the macroscopic properties of a system, such as the rate of change in the concentration of reactants or products with time. 181289-33-8, Name is (R)-3-(2-Amino-2-oxoethyl)-5-methylhexanoic acid, formurla is C9H17NO3. In a document, author is Wang, Wang, introducing its new discovery. Recommanded Product: (R)-3-(2-Amino-2-oxoethyl)-5-methylhexanoic acid.
Enantioselective difunctionalization of alkenes constitutes an efficient strategy to assemble complex chiral molecules from simple racemic or achiral starting materials. Here we present an intermolecular nickel-catalysed enantioselective 1,1-arylboration of unactivated terminal alkenes. The high regio- and enantioselectivities of the reactions arise from a judicious choice of the nickel catalyst rather than the incorporation of a directing group. Moreover, excellent regioselectivities can also be obtained from the reactions of allylbenzenes. We also conducted a series of stereospecific downstream transformations for the enantioenriched secondary boronic esters. These examples represent an efficient catalyst-controlled enantioselective 1,1-difunctionalization of unactivated alkenes.
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Reference:
Chiral Catalysts,
,Chiral catalysts – SlideShare