N
Nicholas B. Johnson
Researcher at Upjohn
Publications - 4
Citations - 185
Nicholas B. Johnson is an academic researcher from Upjohn. The author has contributed to research in topics: Catalysis & Enantioselective synthesis. The author has an hindex of 2, co-authored 4 publications receiving 181 citations.
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A Three-Step Procedure for Asymmetric Catalytic Reductive Amidation of Ketones
Patent
Improved process for asymmetric hydrogenation
TL;DR: In this article, a process for the preparation of a compound of formula (VIII) where R3, R4 and n are defined in the specification which comprises hydrogenating the E-geometrical isomer thereof or a mixture of the Z- and E-isomers in the presence of a catalyst containing Rh, a chiral ligand with at least one phosphorous atom where the hydrogenation is conducted by a base.
Journal ArticleDOI