Recent developments in enantioselective cobalt-catalyzed transformations

H Pellissier - Coordination Chemistry Reviews, 2018 - Elsevier
Conclusions This review demonstrates that cobalt enantioselective catalysis is growing
rapidly in almost all spheres of asymmetric organic transformations owing to the unique …

Shono‐Type Oxidation for Functionalization of N‐Heterocycles

K Yamamoto, M Kuriyama, O Onomura - The Chemical Record, 2021 - Wiley Online Library
The development of facile synthetic methods for stereodefined aliphatic cyclic amines is an
important research field in synthetic organic chemistry since such scaffolds constitute a …

Gold(I)‐Catalyzed Asymmetric Desymmetrization of meso‐Alkynyl Diols and Kinetic Resolution of the Corresponding dl‐Diols: Effects of Celite Filtration and Silver …

Y Sota, M Yamamoto, M Murai… - … A European Journal, 2015 - Wiley Online Library
The asymmetric desymmetrization of meso‐2‐alkynylbenzenediols through the use of a
combination of axially chiral diphosphine (AuCl) 2 precatalysts and silver salt co‐catalysts …

A concise enantioselective synthesis of (+)-L-733,060 and (+)-T-2328 via sequential proline catalysis

KG Lalwani, A Sudalai - Synlett, 2016 - thieme-connect.com
A new, sequential proline-catalyzed approach to the synthesis of (+)-L-733,060 and (+)-T-
2328 in high optical purity (93% ee) is described starting from phenyl N-Boc imine. The …

Divergent syntheses of L-733, 060 and CP-122721 from functionalized pieridinones made by one-pot tandem cyclization

YW Liu, ZY Mao, RJ Ma, JH Yan, CM Si, BG Wei - Tetrahedron, 2017 - Elsevier
An efficient diastereoselective approach to access trans-5-hydroxy-6-substituted 2-
piperidinones skeleton has been developed through one-pot intramolecular tandem process …

Diastereoselective approach to trans-5-hydroxy-6-substitutedethanone-2-piperidinones: Scalable syntheses of (+)-febrifugine and (+)-halofuginone

C Wang, YW Liu, Z Zhou, CM Si, X Sun, BG Wei - Tetrahedron, 2018 - Elsevier
An efficient diastereoselective approach to access trans-5-hydroxy-6-substitutedethanone-2-
piperidinones skeleton has been developed through sequential addition-deprotection …

Two stereocentered HKR of anti-β, β′-diphenylpropanoxirane and anti-3-phenylethyloxiranes catalysed by Co (iii)(salen)-OAc complex: enantioselective synthesis of …

RB Kamble, D Devalankar, G Suryavanshi - New Journal of Chemistry, 2018 - pubs.rsc.org
The Co (III)(salen) OAc-catalyzed two stereocentered hydrolytic kinetic resolution (HKR) of
anti-β, β′-diphenylmethyloxirane and anti-3-phenylethyloxiranes affords the corresponding …

Synthesis of key intermediate for (+)-tofacitinib through CoIII(salen)-catalyzed two stereocentered hydrolytic kinetic resolution of (±)-methyl-3-(oxiran-2-yl)butanoate

RB Kamble, G Suryavanshi - Synthetic Communications, 2018 - Taylor & Francis
An enantiopure piperidine, a key intermediate for the synthesis of (+)-tofacitinib, has been
achieved in high optical purity (98% ee) from readily available crotyl alcohol. The key steps …

Enantioselective Cobalt‐Catalysed Transformations

H Pellissier - Cobalt Catalysis in Organic Synthesis: Methods …, 2020 - Wiley Online Library
By the very fact of the lower costs and toxicity of cobalt catalysts in comparison with other
transition metals, sustainable cobalt‐mediated transformations have received a growing …

Short synthesis of racemic 5-hydroxy-6-hydroxymethylpiperidin-2-one

M Petrović, A Rinaldi, EG Occhiato, D Scarpi - Chemical Data Collections, 2018 - Elsevier
A short synthetic sequence to rac-5‑hydroxy‑6-hydroxymethylpiperidin-2-one, a useful
intermediate in the synthesis of polyhydroxylated piperidine alkaloids, was based on the …