Recent advances in enantioselective Pd-catalyzed allylic substitution: from design to applications

O Pamies, J Margalef, S Canellas, J James… - Chemical …, 2021 - ACS Publications
This Review compiles the evolution, mechanistic understanding, and more recent advances
in enantioselective Pd-catalyzed allylic substitution and decarboxylative and oxidative allylic …

Enantioenriched helicenes and helicenoids containing main-group elements (B, Si, N, P)

K Dhbaibi, L Favereau, J Crassous - Chemical reviews, 2019 - ACS Publications
In this review, we discuss the rich chemistry of helicenes and helicenoids containing main-
group elements. Enantioenriched helicenic derivatives containing main-group elements B …

Organocatalytic Dynamic Kinetic Resolution Enabled Asymmetric Synthesis of Phosphorus‐Containing Chiral Helicenes

JH Wu, S Fang, X Zheng, J He, Y Ma… - Angewandte Chemie …, 2023 - Wiley Online Library
The catalytic asymmetric synthesis of phosphorus‐containing helicenes remains a
formidable challenge, presumably due to the lack of rational design of substrates, right …

Oxa[7]superhelicene: A π‐Extended Helical Chromophore Based on Hexa‐peri‐hexabenzocoronenes

D Reger, P Haines, FW Heinemann… - Angewandte Chemie …, 2018 - Wiley Online Library
A novel π‐extended “superhelicene” based on hexa‐peri‐hexabenzocoronenes (HBCs) has
been synthesized by an efficient four‐step synthetic procedure starting from diphenyl ether …

Enantio‐ and Regioconvergent Nickel‐Catalyzed Etherification of Phenols by Allylation to Access Chiral C(sp3)−O Allyl Aryl Ethers

D Brösamlen, D Neb… - Angewandte Chemie …, 2024 - Wiley Online Library
An enantio‐and regioconvergent allylation of phenols under nickel catalysis with an α‐/γ‐
regioisomeric mixture of racemic silylated/germylated allylic chlorides is reported. The …

Combined Experimental and Theoretical Study on Circular Dichroism and Circularly Polarized Luminescence of Configurationally Robust D3-Symmetric Triple …

H Tanaka, Y Kato, M Fujiki, Y Inoue… - The Journal of Physical …, 2018 - ACS Publications
Pentahelicene (PH) exhibits the largest absorption (g abs) and luminescence (g lum)
dissymmetry factors among the helicene family but is configurationally and (photo) …

Chiral Phosphathiahelicenes: Improved Synthetic Approach and Uses in Enantioselective Gold(I)-Catalyzed [2 + 2] Cycloadditions of N-Homoallenyl Tryptamines

V Magné, Y Sanogo, CS Demmer, P Retailleau… - ACS …, 2020 - ACS Publications
A chiral phosphathiahelicene scaffold displaying a phosphole and a thiophene unit as the
terminal rings of the helical sequence has been synthesized and characterized by …

Organocatalytic Direct Enantioselective Hydrophosphonylation of N-Unsubstituted Ketimines for the Synthesis of α-Aminophosphonates

K Yamada, Y Kondo, A Kitamura, T Kadota… - ACS …, 2023 - ACS Publications
We report an organocatalyzed direct enantioselective hydrophosphonylation of N-
unsubstituted ketimines that affords N-unprotected α-tetrasubstituted α-aminophosphonates …

Helicene-based chiral auxiliaries and chirogenesis

M Hasan, V Borovkov - Symmetry, 2017 - mdpi.com
Helicenes are unique helical chromophores possessing advanced and well-controlled
spectral and chemical properties owing to their diverse functionalization and defined …

Enantioselective Au‐Catalyzed Synthesis of Thia [5]‐and Thia [6] helicenes and Their Transformation into Bowl‐shaped Pleiadenes

W Fu, V Pelliccioli, M von Geyso, P Redero… - Advanced …, 2023 - Wiley Online Library
A series of helically shaped benzo [b] chryseno [4, 3‐d] thiophenes, naphtho [1, 2‐b]
phenanthro [4, 3‐d] thiophenes, and chryseno [3, 4‐b] naphtho [1, 2‐d] thiophenes is …