Stereoselective Synthesis of Silyl Enol Ethers with Acylsilanes and α, β-Unsaturated Ketones
Y Liu, Z Zhu, Y Zhang, Y Zhang, S Liu, X Shen - Organic Letters, 2024 - ACS Publications
Acylsilanes are emerging bench-stable reagents for the generation of electron-rich
oxycarbenes that are difficult to access with unstable diazo compounds. Herein, we report a …
oxycarbenes that are difficult to access with unstable diazo compounds. Herein, we report a …
Borane-Catalyzed Coupling of Diazooxindoles and Difluoroenoxysilanes to Tetrasubstituted Monofluoroalkenes
C He, G Zhou, G Yang, F Wang, C Lu, J Nie… - Organic Letters, 2024 - ACS Publications
A highly stereoselective coupling reaction of diazooxindoles with difluoroenoxysilanes
catalyzed by Lewis acidic boranes has been developed. The reaction proceeded at ambient …
catalyzed by Lewis acidic boranes has been developed. The reaction proceeded at ambient …
Comparison of the Efficiency of B–O and B–C Bond Formation Pathways in Borane-Catalyzed Carbene Transfer Reactions Using α-Diazocarbonyl Precursors: A …
K Farshadfar, K Laasonen - ACS catalysis, 2024 - ACS Publications
Lewis acidic boranes, especially tris (pentafluorophenyl) borane [B (C6F5) 3], have emerged
as metal-free catalysts for carbene transfer reactions of α-diazocarbonyl compounds in a …
as metal-free catalysts for carbene transfer reactions of α-diazocarbonyl compounds in a …
Structure-constraint induced increase in Lewis acidity of tris (ortho-carboranyl) borane and selective complexation with Bestmann ylides
The Lewis acidity of tris (ortho-carboranyl) borane has been slightly increased by mimicking
the structural evolution from triarylborane to 9-aryl-9-borafluorene. The o-carborane-based …
the structural evolution from triarylborane to 9-aryl-9-borafluorene. The o-carborane-based …
Synthesis of 3-Substituted Chromones through Photoactivation of Acceptor–Acceptor Diazo Compounds
P Kumar, A Kumar, R Kant, SK Shukla, N Rastogi - Synthesis, 2024 - thieme-connect.com
We report the photocatalytic alkylation of o-hydroxyarylenaminones with acceptor–acceptor
diazo compounds to access 3-alkyl chromones. The reaction involves triplet sensitization of …
diazo compounds to access 3-alkyl chromones. The reaction involves triplet sensitization of …
Development of novel synthetic methodologies using boron Lewis acids
M Guerzoni - 2024 - orca.cardiff.ac.uk
The work described in this thesis concerns the use of Lewis acidic boron-based catalysts as
a tool for the development of novel reaction methodologies, with a major focus on the use of …
a tool for the development of novel reaction methodologies, with a major focus on the use of …