Catalytic asymmetric synthesis of medium-sized bridged biaryls

N Kotwal, P Chauhan - Chemical Communications, 2022 - pubs.rsc.org
Despite the persistent presence of medium-sized (seven-to nine-membered) scaffolds in
natural products and biologically active molecules, their asymmetric syntheses have always …

Conceptual advances in nucleophilic organophosphine-promoted transformations

L Dutta, A Mondal, JP Maurya… - Chemical …, 2023 - pubs.rsc.org
Catalysis by trivalent nucleophilic organophosphines has emerged as an essential tool in
organic synthesis. Several new organic transformations promoted by phosphines …

Lewis Base-Catalyzed Intramolecular Vinylogous Aldol Reaction and Chemoselective Syntheses of 3-Hydroxy-2, 3-Disubstituted Dihydrobenzofurans and Indolines

J Zhang, Z He - The Journal of Organic Chemistry, 2023 - ACS Publications
A Lewis base-catalyzed intramolecular vinylogous aldol reaction of o-(allyloxy) phenyl
ketoesters or o-(allylamino) phenyl ketoesters has been developed. This reaction provides …

Synthesis of trans-stilbenes via phosphine-catalyzed coupling reactions of benzylic halides

S Zhang, Z Xie, Z Ye, M Zhang, D Li… - Organic & …, 2022 - pubs.rsc.org
An efficient and practical phosphine-catalyzed homo-coupling reaction of benzyl chlorides is
described. The reactions proceed smoothly in the presence of CsF/B (OMe) 3 and NaH as …

[PDF][PDF] Highly enantioselective vinylogous aldol reaction of dioxinone-derived silyl diene by combined Lewis acid catalyst

S Qi, Q Ran, C Liu, B Li, X Zhanga - Arkivoc, 2022 - arkat-usa.org
The combined Lewis acid catalytic system, generated from (R)-1, 1'-bi-2, 2'-naphthol [(R)-
BINOL], Ti (O-iPr) 4, H2O, and lithium chloride, effectively catalyzed the enantioselective …