Phosphine organocatalysis

H Guo, YC Fan, Z Sun, Y Wu, O Kwon - Chemical reviews, 2018 - ACS Publications
The hallmark of nucleophilic phosphine catalysis is the initial nucleophilic addition of a
phosphine to an electrophilic starting material, producing a reactive zwitterionic …

Tandem Reactions of Ynones: via Conjugate Addition of Nitrogen‐, Carbon‐, Oxygen‐, Boron‐, Silicon‐, Phosphorus‐, and Sulfur‐Containing Nucleophiles

Y Li, J Yu, Y Bi, G Yan, D Huang - Advanced Synthesis & …, 2019 - Wiley Online Library
Ynones are widely used in organic synthesis. Their great success is rooted in their multiple
functional groups. This review focus on advance of ynones in published in the decade 2009 …

Phosphines: preparation, reactivity and applications

EI Musina, AS Balueva, AA Karasik - Organophosphorus …, 2019 - books.google.com
This chapter covers the literature published during 2017 relating to the synthesis, the
reactivity and the application of phosphines, excluding the chemistry of their metal …

Game of Aliphatics: A Density Functional Theory Study of Base-Catalyzed Substrate-Controlled Dimerizations of Aliphatic Alkynones

AV Kuzmin, DA Shabalin - The Journal of Organic Chemistry, 2023 - ACS Publications
The present work focuses on a comprehensive density functional theory (DFT) study of
newly discovered base-catalyzed substrate-controlled dimerizations of aliphatic alkynones …

Superbase‐Catalyzed Steric‐Hindrance‐Induced Dimerization of Alkynones to Highly Functionalized Furans

MY Dvorko, DA Shabalin, IA Ushakov… - European Journal of …, 2023 - Wiley Online Library
The cascade dimerization of alkynones bearing sterically hindered secondary alkyl groups
at the carbonyl function has unexpectedly furnished highly functionalized furans. The …

Regio-and stereoselective base-catalyzed assembly of 6-methylene-5-oxaspiro [2.4] heptanones from alkynyl cyclopropyl ketones

SO Samultceva, MY Dvorko, DA Shabalin… - Organic & …, 2022 - pubs.rsc.org
6-Methylene-5-oxaspiro [2.4] heptanones have been synthesized via base-catalyzed
dimerization of available alkynyl cyclopropyl ketones. The reaction proceeds effectively in …

Tri (n-butyl) phosphine-promoted domino reaction for the efficient construction of spiro [cyclohexane-1, 3'-indolines] and spiro [indoline-3, 2'-furan-3', 3''-indolines]

H Zheng, Y Han, J Sun, CG Yan - Beilstein Journal of Organic …, 2022 - beilstein-journals.org
The tri (n-butyl) phosphine-catalyzed reaction of isatylidene malononitriles and bis-
chalcones in chloroform at 65 C afforded functionalized spiro [cyclohexane-1, 3'-indolines] in …

Electron-rich triarylphosphines as nucleophilic catalysts for oxa-Michael reactions

SM Fischer, S Renner, AD Boese… - Beilstein Journal of …, 2021 - beilstein-journals.org
Abstract Electron-rich triarylphosphines, namely 4-(methoxyphenyl) diphenylphosphine
(MMTPP) and tris (4-trimethoxyphenyl) phosphine (TMTPP), outperform commonly used …

Mechanism of Phosphine‐Catalyzed Allene Coupling Reactions: Advances in Theoretical Investigations

CX Cui, C Shan, YP Zhang, XL Chen… - Chemistry–An Asian …, 2018 - Wiley Online Library
Organocatalysis has emerged as an effective strategy for chemical synthesis. Within this
area, phosphine‐catalyzed coupling reactions have attracted considerable attention …

Catalytic Ynone–Amidine Formal [4+ 2]-Cycloaddition for the Regioselective Synthesis of Tricyclic Azepines

TP Reddy, J Gujral, P Roy, DB Ramachary - Organic Letters, 2020 - ACS Publications
A Ca (OTf) 2-and self-promoted ynone–amidine atom-economic formal [4+ 2]-cycloaddition
of various ynones with amidines is reported for the construction of highly functionalized …