Catalytic enantioselective vinylogous allylic alkylation of coumarins

S Kayal, S Mukherjee - Organic letters, 2017 - ACS Publications
An unprecedented, organocatalytic enantioselective vinylogous γ-allylic alkylation of 4-
methylcoumarins has been developed. Using allylic carbonates as the allyl source, this …

Role of Cinchona Alkaloids in the Enantio-and Diastereoselective Synthesis of Axially Chiral Compounds

C Portolani, G Centonze, P Righi… - Accounts of Chemical …, 2022 - ACS Publications
Conspectus Asymmetric synthesis using organic catalysts has evolved since it was first
realized and defined. Nowadays, it can be considered a valid alternative to transition metal …

Organocatalytic Asymmetric Cascade Reaction between o‐Hydroxycinnamaldehydes and γ/δ‐Hydroxyenones: A Route to Tetrahydrofuran/Tetrahydropyran‐Fused …

B Mondal, SC Pan - Advanced Synthesis & Catalysis, 2018 - Wiley Online Library
The first organocatalytic asymmetric synthesis of tetrahydrofuran/tetrahydropyran‐fused 3, 4‐
dihydrocoumarin has been developed via a cascade reaction between 2‐hydroxy …

Enantioselective total syntheses of several bioactive natural products based on the development of practical asymmetric catalysis

T Ohshima - Chemical and pharmaceutical bulletin, 2004 - jstage.jst.go.jp
I present herewith enantioselective total syntheses of several bioactive natural products,
such as ()-strychnine,()-decursin,()-cryptocaryolone diacetate,()-fluoxetine, and aeruginosin …

[HTML][HTML] Catalytic asymmetric hydroxylative dearomatization of 2-naphthols: synthesis of lacinilene derivatives

Y Zhang, Y Liao, X Liu, X Xu, L Lin, X Feng - Chemical science, 2017 - pubs.rsc.org
An enantioselective hydroxylative dearomatization of 2-naphthols with oxaziridines has
been accomplished using a N, N′-dioxide–scandium (III) complex catalyst. Various …

Catalytic strategies for diastereodivergent synthesis

L Lin, X Feng - Chemistry–A European Journal, 2017 - Wiley Online Library
Chiral molecules with multiple stereocenters are widely distributed in nature and drugs.
Asymmeric catalysis has allowed the formation of a chiral molecule's enantiomers with equal …

Enantioselective Synthesis of Cyclohexadienone Containing Spiroketals via DyKat Ketalization/oxa-Michael Addition Cascade

RR Reddy, S Panda, P Ghorai - The Journal of Organic Chemistry, 2019 - ACS Publications
An oxidative dearomatization of phenol followed by a dynamic kinetic (DyKat)
ketalization/oxa-Michael addition cascade using cinchona alkaloid-based chiral bifunctional …

Strategies and Methods for the Catalytic Asymmetric Synthesis of Benzofuran/Benzopyran Fused Acetals: A Review

Y Chen, Y Zhang, D Zhang… - Advanced Synthesis & …, 2023 - Wiley Online Library
Benzofuran‐and benzopyran‐fused polycyclic acetals are found in a variety of biologically
active natural products. The synthetic methods toward this class of polycyclic heterocycles …

Use of chiral auxiliaries in the asymmetric synthesis of biologically active compounds: A review

G Diaz‐Muñoz, IL Miranda, SK Sartori… - Chirality, 2019 - Wiley Online Library
This review article describes the use of some of the most popular chiral auxiliaries in the
asymmetric synthesis of biologically active compounds. Chiral auxiliaries derived from …

Enzymatic resolution of racemates with a 'remote'stereogenic center as an efficient tool in drug, flavor and vitamin synthesis

MA Blasco, H Gröger - Bioorganic & medicinal chemistry, 2014 - Elsevier
The enantioselective recognition of 'remote'stereogenic centers represents a scientific task
in organic chemistry being also of current interest in the pharmaceutical industry. This is due …