Five-membered ring systems: Pyrroles and benzo analogs DOI
Chuan Shan, Justin M. Lopchuk

Progress in heterocyclic chemistry, Journal Year: 2024, Volume and Issue: unknown, P. 123 - 173

Published: Jan. 1, 2024

Language: Английский

An Overview of Recent Advances in Enantioselective Multicomponent Reactions DOI
Atieh Rezvanian,

Elham Mardi,

Pezhman Shiri

et al.

Journal of Molecular Structure, Journal Year: 2025, Volume and Issue: unknown, P. 141768 - 141768

Published: Feb. 1, 2025

Language: Английский

Citations

1

Deciphering Asymmetric Brønsted Base-Aminocatalytic Mode in Pudovik/[1,2]-Phospha-Brook Rearrangement/Michael Cascade Reaction DOI
Ravneet Kaur,

Saurabh Singh Rautela,

M. M. Y. Ali

et al.

The Journal of Organic Chemistry, Journal Year: 2024, Volume and Issue: 89(19), P. 14177 - 14182

Published: Sept. 18, 2024

An approach involving the use of a bifunctional aminocatalyst containing Brønsted base and iminium activation sites for asymmetric multicomponent reactions [1,2]-phospha-Brook rearrangement has yet to be realized. Herein, we present an aminocatalytic enantioselective conjugate addition α-phosphonyloxy enolates formed

Language: Английский

Citations

4

Catalytic Generation and Intermolecular Addition of Diarylmethyl Anions Utilizing [1,2]‐Phospha‐Brook Rearrangement Under Brønsted Base Catalysis DOI Creative Commons
Azusa Kondoh, Masahiro Terada

Advanced Synthesis & Catalysis, Journal Year: 2024, Volume and Issue: 366(8), P. 1857 - 1862

Published: Feb. 21, 2024

Abstract An intermolecular addition reaction involving an unconventional combination of a diarylmethyl anion and electrophile, which is mediated by the [1,2]‐phospha‐Brook rearrangement under Brønsted base catalysis, was developed. Diarylmethyl anions having benzofuran moiety were generated through with aid catalytic amount phosphazene P2‐ t Bu. The resulting carbanion intermediates trapped various electrophiles, such as α,β‐unsaturated ketones, aryl aldehydes, α‐ketoesters, N ‐Boc imines, providing corresponding diarylalkane derivatives in good yields.

Language: Английский

Citations

3

“In-Water” Three-Component One-Pot Reaction for the Facile Synthesis of Densely Functionalized 2,3-Dihydro-1H-pyrrol-2-ols and Mechanistic Insight DOI

Saigal Saigal,

Nallakantham Sudheer,

Subash C. Sahoo

et al.

ACS Sustainable Chemistry & Engineering, Journal Year: 2024, Volume and Issue: 12(35), P. 13336 - 13351

Published: Aug. 22, 2024

An environmentally friendly multicomponent reaction strategy for the synthesis of functionally rich all-carbon substituted 2,3-dihydro-1H-pyrrol-2-ols "in-water" at room temperature has been reported. Water plays an indispensable role in presence readily available catalytic surfactants sodium dioctylsulfosuccinate and dodecyl sulfate to effectuate transformation, as proved by inferior results obtained organic solvents. A wide display substrate scope functional group compatibility permits diversity generation a mild operationally simple fashion. High product yields, fast rate, recoverability/recyclability catalysts, high TON/TOF, ease purification final products filtration, AE values, excellent E-factor count with score low possible highlight "greenness" this approach. Feasibility "gram-scale" synthetic elaboration offer notable advantages. The mechanistic understanding intercepting labile "imine" intermediate realized through sequence imine formation Mannich-type followed intramolecular N-cyclization.

Language: Английский

Citations

3

Recent Developments in the [1,2]-Phospha-Brook Rearrangement Reaction DOI Open Access
Ning Li, Qian Wu,

Yu Huang

et al.

International Journal of Molecular Sciences, Journal Year: 2025, Volume and Issue: 26(7), P. 3065 - 3065

Published: March 27, 2025

The [1,2]-phospha-Brook rearrangement serves as a powerful synthetic strategy that enables efficient carbonyl umpolung through phosphoryl group migration, providing direct access to α-hydroxyphosphoryl compounds-a privileged class of synthons with broad applications in organophosphorus chemistry, medicinal and materials science. This review provides comprehensive overview recent progress methodologies, possible mechanisms, asymmetric transformations, highlighting key breakthroughs future directions this rapidly evolving field.

Language: Английский

Citations

0

Stereoselective [1,2]-Phospha-Brook Rearrangement of CAMDOL-Derived H-Phosphonate: Synthesis of α-Trifluoromethyl Alcohols DOI
Ning Li, Qian Wu,

Yu Huang

et al.

Organic Letters, Journal Year: 2025, Volume and Issue: unknown

Published: May 1, 2025

A highly efficient and stereoselective [1,2]-phospha-Brook rearrangement of fluoromethyl ketones has been achieved by utilizing a new type P-chiral H-phosphonate derived from CAMDOL, designated as CAMDOL-PHO. library 38 secondary alcohols featuring an α-trifluoromethyl or trifluoroaryl motif were afforded in up to 97% yield with 99:1 dr. Compared other known chiral auxiliaries, bicyclic CAMDOL exhibits superior induction ability due its unique center-chiral scaffold.

Language: Английский

Citations

0

Access to Chiral Oxindoles via Ir-Catalyzed Asymmetric Pudovik Addition/[1,2]-Phospha-Brook Rearrangement/Allylation Cascade DOI
Bobin Chen,

Zhiyuan Yi,

Xiu‐Qin Dong

et al.

Organic Letters, Journal Year: 2025, Volume and Issue: unknown

Published: May 2, 2025

An asymmetric catalytic Pudovik addition/[1,2]-phospha-Brook rearrangement/allylation reaction of readily available isatins, phosphites, and vinyl ethylene carbonate enabled by a chiral iridium catalyst was developed in one-pot fashion. A wide range enantioenriched oxindole derivatives containing two adjacent stereocenters could be obtained good to high yields with excellent diastereoselectivity enantioselectivity (65-99% yield, 7:1 >20:1 dr, generally 99% ee). This cascade protocol owned the advantages starting materials, regio-/diastereo-/enantioselectivity, substrate scope generality.

Language: Английский

Citations

0

Reductive Deuteration of Aldehydes/Ketones for the Synthesis of Monodeuterated Phosphinates and Derivatives Using D2O as the Nucleophilic Deuterium Source DOI
Xiaochen Niu, Yuanyuan Xie, Hongwei Zhou

et al.

The Journal of Organic Chemistry, Journal Year: 2025, Volume and Issue: unknown

Published: May 14, 2025

The ideal deuteration, for organic synthetic chemists, might include the use of a cheap deuterium source, mild operating conditions, and diverse transformations. We developed an umpolung sequence reductive deuteration aldehydes/ketones, affording synthetically useful monodeuterated phosphinates. further one-pot transformation plausible mechanism this reaction were studied.

Language: Английский

Citations

0

Iridium-Catalyzed Asymmetric Cascade Allylation/[1,4]-Phospha-Brook Rearrangement Reaction DOI

Zhiyuan Yi,

Hui Xu, Xin Chang

et al.

ACS Catalysis, Journal Year: 2024, Volume and Issue: 14(18), P. 14058 - 14068

Published: Sept. 10, 2024

Language: Английский

Citations

2

Radical Brook Rearrangement Mediated Olefin Difunctionalization Involving α-Fluoroalkyl-α-silyl Methanols DOI

Shenna Deng,

Changchun Peng,

Yunhong Niu

et al.

Acta Chimica Sinica, Journal Year: 2024, Volume and Issue: 82(2), P. 119 - 119

Published: Jan. 1, 2024

Language: Английский

Citations

1