Organocatalytic enantioselective desymmetrization of prochiral 2, 2‐disubstituted cyclic 1, 3‐diones

R Chegondi, SM Patel, S Maurya… - Asian Journal of …, 2021 - Wiley Online Library
Abstract Enantioselective desymmetrization of prochiral 1, 3‐cyclodiketones is the most
convenient and highly desired transformation to access densely functionalized …

Desymmetrization of Cyclopentene‐1, 3‐Diones via Alkylation, Arylation, Amidation and Cycloaddition Reactions

T Das - ChemistrySelect, 2020 - Wiley Online Library
Abstract Desymmetrization of prochiral cyclopentene‐1, 3‐diones for the synthesis of
various natural products and moieties of pharmaceutically active compounds, is a very …

Diastereoselective Formal 1, 3-Dipolar Cycloaddition of Trifluoroethyl Amine-Derived Ketimines Enables the Desymmetrization of Cyclopentenediones

LQ Li, JQ Zhao, YP Zhang, Y You, ZH Wang, ZZ Ge… - Molecules, 2023 - mdpi.com
In this research, a metal-free diastereoselective formal 1, 3-dipolar cycloaddition of N-2, 2, 2-
trifluoroethylisatin ketimines and cyclopentene-1, 3-diones which can efficiently lead to the …

Lewis acid catalysed asymmetric cascade reaction of cyclopropyl ketones: concise synthesis of pyrrolobenzothiazoles

F Chang, B Shen, S Wang, L Lin, X Feng - Chemical Communications, 2020 - pubs.rsc.org
Utilizing the C4 reactive site of cyclopropyl ketones and a chiral N, N′-dioxide-scandium
(III) complex as a catalyst, a concise ring-opening/cyclization/thio-Michael cascade method …

Chiral N-heterocyclic-carbene-catalyzed cascade asymmetric desymmetrization of cyclopentenediones with enals: access to optically active 1, 3-indandione …

JM Hu, JQ Zhang, BB Sun, JB Chen, JQ Yu… - Organic …, 2019 - ACS Publications
A chiral N-heterocyclic-carbene-catalyzed cascade asymmetric desymmetrization reaction of
cyclopentenediones with enals has been successfully initiated, followed with tandem aldol …

Enantioselective synthesis of hydrothiazole derivatives via an isocyanide-based multicomponent reaction

Q Xiong, G Li, S Dong, X Liu, X Feng - Organic letters, 2019 - ACS Publications
Catalytic asymmetric synthesis of hydrothiazole derivatives was developed via a well-
organized formal [2+ 1+ 2] cycloaddition reaction triggered by asymmetric addition of …

Organocatalyzed Enantio-and Diastereoselective Formal Domino 1, 3-Dipolar Cycloaddition/Rearrangement: Synthesis of Chiral Pyrrolo-thiazine-2-carbaldehydes

S Pandidurai, VS Kumar Choutipalli… - Organic …, 2024 - ACS Publications
An efficient approach for the synthesis of chiral pyrrolo [1, 2-d][1, 4] thiazine-2-
carbaldehydes is achieved via formal 1, 3-dipolar cycloaddition/rearrangement reactions of …

Diverse Synthesis of Fused Polyheterocyclic Compounds via [3 + 2] Cycloaddition of In Situ-Generated Heteroaromatic N-Ylides and Electron-Deficient Olefins

ZH Wang, T Zhang, LW Shen, X Yang, YP Zhang… - Molecules, 2023 - mdpi.com
[3+ 2] Cycloaddition reactions of heteroaromatic N-ylides with electron-deficient olefins have
been developed. The heteroaromatic N-ylides, in situ generated from N …

Enantioselective [3+ 2] cycloaddition and rearrangement of thiazolium salts to synthesize thiazole and 1, 4-thiazine derivatives

X Zhang, X Liu, J Zhang, D Zhang, L Lin… - Organic Chemistry …, 2018 - pubs.rsc.org
Highly efficient asymmetric [3+ 2] cycloaddition reactions of thiazolium salts with a variety of
electron-deficient 2-π components were achieved by chiral N, N′-dioxide/metal complex …

Enantioselective Organocatalytic Desymmetrization of Cyclopentene-1,3-diones through Formal C(sp2)–H Amidation

H Liang, X Zhou, L Zheng, J Wang - The Journal of Organic …, 2019 - ACS Publications
An enantioselective organocatalytic desymmetrization of 2, 2-disubstituted cyclopentene-1,
3-diones via a formal C (sp2)–H amidation is reported. The reaction was carried out with N …