Chan, Kelvin S. L.; Fu, Hai-Yan; Yu, Jin-Quan published the artcile< Palladium(II)-Catalyzed Highly Enantioselective C-H Arylation of Cyclopropylmethylamines>, Recommanded Product: (1-(Aminomethyl)cyclopropyl)methanol, the main research area is cyclopropylmethylamine CH activation arylation palladium catalyst enantioselectivity diastereoselectivity.
C-H arylation via a Pd(II)/Pd(IV) catalytic cycle has been one of the most extensively studied C-H activation reactions since the 1990s. Despite the rapid development of this reaction in the past two decades, an enantioselective version has not been reported to date. Herein, we report a Pd(II)-catalyzed highly enantioselective (up to 99.5% ee) arylation of cyclopropyl C-H bonds with aryl iodides using mono-N-protected amino acid (MPAA) ligands, providing a new route for the preparation of chiral cis-aryl-cyclopropylmethylamines, e.g., I [R1 = H, Me, CH2Ph, Ph, C6H3F2-2,6, CH2OSiMe2CMe3, CO2Me]. The enantiocontrol is also shown to override the diastereoselectivity of chiral substrates.
Journal of the American Chemical Society published new progress about Amino acids Role: CAT (Catalyst Use), USES (Uses) (mono-N-protected, chiral ligands for arylation catalysts). 45434-02-4 belongs to class alcohols-buliding-blocks, and the molecular formula is C5H11NO, Recommanded Product: (1-(Aminomethyl)cyclopropyl)methanol.
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