Photochemical reduction of carbon dioxide to formic acid

R Cauwenbergh, S Das - Green Chemistry, 2021 - pubs.rsc.org
With the growing awareness of green chemistry, carbon capture and utilization (CCU) has
received tremendous attention compared to carbon capture and storage (CCS). Over the …

Asymmetric [3+ 2] photocycloaddition of β-keto esters and vinyl azides by dual photoredox/nickel catalysis

XS Zhou, Z Zhang, WY Qu, XP Liu… - Journal of the …, 2023 - ACS Publications
Photocatalytic [3+ 2] cycloadditions and control of stereochemistry have remained a
substantial challenge, particularly in the context of heterocycle synthesis; sporadic …

CO2-Promoted Reactions: An Emerging Concept for the Synthesis of Fine Chemicals and Pharmaceuticals

PK Sahoo, Y Zhang, S Das - ACS Catalysis, 2021 - ACS Publications
Carbon dioxide is a nontoxic and abundant chemical and has been widely used as a C1
building block for the synthesis of highly important chemicals. This greenhouse gas also has …

Visible‐light‐mediated direct expeditious photochemical construction of spirocyclic‐oxindoles

B Borah, S Sharma, LR Chowhan - Asian Journal of Organic …, 2023 - Wiley Online Library
Spirocyclic compounds, particularly spirooxindoles that comprise a tetrahedral sp3‐
hybridized carbon atom at the C‐3 position of an orthogonally shaped bicyclic structure have …

Urea as a redox-active directing group under asymmetric photocatalysis of iridium-chiral borate ion pairs

D Uraguchi, Y Kimura, F Ueoka… - Journal of the American …, 2020 - ACS Publications
The development of a photoinduced, highly diastereo-and enantioselective [3+ 2]-
cycloaddition of N-cyclopropylurea with α-alkylstyrenes is reported. This asymmetric radical …

Asymmetric synthesis of chiral imidazolidines by merging copper and visible light-induced photoredox catalysis

L Dai, Q Zhu, J Zeng, Y Liu, G Zhong, X Han… - Organic Chemistry …, 2022 - pubs.rsc.org
Chiral imidazolidine shows its potential in multiple fields. However, direct catalytic
asymmetric construction of chiral imidazolidines is still limited. Herein, we report an effective …

Photoexcited NiII–Aryl Complex-Mediated Giese Reaction of Aryl Bromides

XC He, KR Li, J Gao, JP Guan, HB Chen… - Organic …, 2023 - ACS Publications
A Giese reaction of aryl bromides with electron-deficient alkenes was developed, enabled
by a dual catalyst system containing NiII complex and IrIII photocatalyst. This protocol could …

Single Cu(I)-Photosensitizer Enabling Combination of Energy-Transfer and Photoredox Catalysis for the Synthesis of Benzo[b]fluorenols from 1,6-Enynes

L Zheng, H Xue, B Zhou, SP Luo, H Jin, Y Liu - Organic Letters, 2021 - ACS Publications
An efficient, mild, and atom-economical synthesis of benzo [b] fluorenols from 1, 6-enynes
has been developed under photocatalytic conditions. A single P/N heteroleptic Cu (I) …

[HTML][HTML] Metal-free redox-active diphenylpyrenediimides: A comparison between the photocatalytic performance of molecular and polymeric catalysts

B Fuerte-Díez, E Rangel-Rangel, F Sánchez… - Journal of …, 2023 - Elsevier
Herein we described a donor–acceptor porous conjugated polydiphenylpyreneimide (DPPy-
PI) with high thermal stability (530° C) and surface area of 710 m 2. g− 1 prepared by …

Visible light-induced aerobic oxidative dehydrogenation of C–N/C–O to C= N/C= O bonds using metal-free photocatalysts: Recent developments

A Torregrosa-Chinillach, R Chinchilla - Molecules, 2022 - mdpi.com
Performing synthetic transformation using visible light as energy source, in the presence of a
photocatalyst as a promoter, is currently of high interest, and oxidation reactions carried out …