Regioselective condensation of hydroxyaromatic compounds with 2,5-dimethoxytetrahydrofuran: facile one-pot synthesis of new substituted diaryl-fused 2,8-dioxabicyclo[3.3.2]nonanes comprising central ketal moieties

2020 ◽  
Vol 44 (12) ◽  
pp. 4834-4841
Author(s):  
Ali Rahmatpour
Keyword(s):  
Regioselective Synthesis ◽  
Substituted Phenols ◽  
One Pot ◽  
One Pot Synthesis

Regioselective synthesis of a series of novel diaryl- and naphthyl-fused 2,8-dioxabicyclo[3.3.2]nonanes was accomplished by a one-pot reaction of p-substituted phenols and 2-naphthol with 2,5-dimethoxytetrahydrofuran.

One-pot Synthesis of α,β-Unsaturated Ketones through Sequential Alkyne Dimerization/Hydration Reactions using Hoveyda-Grubbs Catalyst

2021 ◽  
Author(s):  
Bengi Öztürk ◽  
Begüm Sarıaslan ◽  
Mina Aşkun ◽  
Zeynep Tunalı ◽  
Solmaz Karabulut
Keyword(s):  
Regioselective Synthesis ◽  
Grubbs Catalyst ◽  
One Pot ◽  
Unsaturated Ketones ◽  
One Pot Synthesis

Herein we report a sequential one-pot alkyne dimerization/hydration protocol for the regioselective synthesis of α,β-unsaturated ketones in quantitive yields. The alkyne dimerization reactions of terminal arylacetylenes proceeded with high regioselectivity...

Reaction of isatins with 6-amino uracils and isoxazoles: isatin ring-opening vs. annulations and regioselective synthesis of isoxazole fused quinoline scaffolds in water

2015 ◽  
Vol 17 (6) ◽  
pp. 3362-3372 ◽  
Author(s):  
Nataraj Poomathi ◽  
Sivakalai Mayakrishnan ◽  
Doraiswamy Muralidharan ◽  
Rajagopal Srinivasan ◽  
Paramasivan T. Perumal
Keyword(s):  
Ring Opening ◽  
Sulphonic Acid ◽  
Regioselective Synthesis ◽  
One Pot ◽  
One Pot Synthesis ◽  
The One ◽  
Straightforward Approach

A straightforward approach for the one-pot synthesis of isoxazoloquinoline and spiroxindole derivatives in water has been established using p-toluene sulphonic acid as a catalyst.

scholarly journals A Direct and an Efficient Regioselective Synthesis of 1,2-Benzothiazine 1,1-dioxides, β-Carbolinones, Indolo[2,3-c]pyran-1-ones, Indolo[3,2-c]pyran-1-ones, Thieno[2,3-c]pyran-7-ones and Pyrano[3’,4’:4,5]imidazo[1,2-a]pyridin-1-ones via Tandem Stille/Heterocyclization Reaction

Molecules ◽  
2020 ◽  
Vol 25 (21) ◽  
pp. 5137
Author(s):  
Badr Jismy ◽  
Khalil Cherry ◽  
Carine Maaliki ◽  
Samuel Inack Ngi ◽  
Mohamed Abarbri
Keyword(s):  
Regioselective Synthesis ◽  
One Pot ◽  
Heterocyclization Reaction ◽  
One Pot Synthesis

A general regioselective one-pot synthesis of 1,2-benzothiazine 1,1-dioxides from 2-iodo benzenesulfonamide moieties and allenylstannanes is described using a domino Stille-like/Azacyclization reaction. The conditions developed also opened a novel access to β-carbolinones, indolopyranones, thienopyranones and pyrano-imidazopyridines.

ChemInform Abstract: Facile One-Pot Synthesis of Poly-Substituted Phenols from Baylis-Hillman Adducts via [4 + 2] Annulation Protocol.

ChemInform ◽  
2008 ◽  
Vol 39 (34) ◽  
Author(s):  
Seong Jin Kim ◽  
Sung Hwan Kim ◽  
Ko Hoon Kim ◽  
Jae Nyoung Kim
Keyword(s):  
Substituted Phenols ◽  
One Pot ◽  
One Pot Synthesis

One-pot regioselective synthesis of 2,4-disubstituted quinolines via copper(ii)-catalyzed cascade annulation

2018 ◽  
Vol 5 (10) ◽  
pp. 1713-1718 ◽  
Author(s):  
Wenhao Wu ◽  
Yujuan Guo ◽  
Xuefeng Xu ◽  
Zhi Zhou ◽  
Xu Zhang ◽  
...  
Keyword(s):  
Regioselective Synthesis ◽  
One Pot ◽  
One Pot Synthesis ◽  
The One

A copper(ii)-catalyzed cascade annulation for the one-pot synthesis of 2,4-disubstituted quinolines has been disclosed.

A convenient regioselective synthesis of spirooxindolinopyrrolizidines incorporating the pyrene moiety through a [3 + 2]-cycloaddition reaction

2017 ◽  
Vol 23 (5) ◽  
Author(s):  
Essam M. Hussein ◽  
Saleh A. Ahmed ◽  
Ismail I. Althagafi
Keyword(s):  
Cycloaddition Reaction ◽  
Regioselective Synthesis ◽  
Dipolar Cycloaddition ◽  
One Pot ◽  
One Pot Synthesis

AbstractA facile one-pot synthesis of spirooxindolinopyrrolizidines incorporating the pyrene moiety was accomplished in good yields through a 1,3-dipolar cycloaddition reaction of 3-aryl-1-(pyren-1-yl)prop-2-en-1-one derivatives with

Polystyrene resin supported palladium(0) (Pd@PR) nanocomposite mediated regioselective synthesis of 4-aryl-1-alkyl/(2-haloalkyl)-1H-1,2,3-triazoles and their N-vinyl triazole derivatives from terminal alkynes

RSC Advances ◽  
2015 ◽  
Vol 5 (15) ◽  
pp. 11506-11514 ◽  
Author(s):  
Arun K. Shil ◽  
Sandeep Kumar ◽  
Saurabh Sharma ◽  
Abha Chaudhary ◽  
Pralay Das
Keyword(s):  
Regioselective Synthesis ◽  
Terminal Alkynes ◽  
One Pot ◽  
Triazole Derivatives ◽  
General Methodology ◽  
One Pot Synthesis ◽  
Supported Palladium ◽  
Polystyrene Resin

An efficient general methodology has been developed for sequential one-pot synthesis of 4-aryl-1-alkyl-1H-1,2,3-triazoles influenced by Pd@PR nanocomposite.

Expedient access to α,β-difunctionalized azepenes using α-halo eneformamides: application to the one-pot synthesis of 2-benzazepanes

2015 ◽  
Vol 13 (8) ◽  
pp. 2285-2292 ◽  
Author(s):  
Daniel P. Bassler ◽  
Laura Spence ◽  
Amir Alwali ◽  
Oliver Beale ◽  
Timothy K. Beng
Keyword(s):  
Regioselective Synthesis ◽  
One Pot ◽  
One Pot Synthesis ◽  
The One

The regioselective synthesis of α,β-difunctionalized (alkenyl, aryl, sulfonyl, allyl, or alkynyl) azepenes has been accomplished through α-halo eneformamides.

Two Efficient One-Pot Approaches for Regioselective Synthesis of New 3-Arylpyridazino[4,3-c]quinolin-5(6H)-ones

2015 ◽  
Vol 68 (10) ◽  
pp. 1529 ◽  
Author(s):  
Mehdi Rimaz
Keyword(s):  
Hydrazine Hydrate ◽  
Regioselective Synthesis ◽  
Reaction Conditions ◽  
One Pot ◽  
One Pot Synthesis ◽  
Three Component Reaction ◽  
The One ◽  
High Yields ◽  
Arylglyoxal Monohydrates ◽  
Operational Simplicity

Two efficient regioselective approaches for the one-pot synthesis of 3-arylpyridazino[4,3-c]quinolin-5(6H)-one derivatives are reported, by the three-component reaction of arylglyoxal monohydrates, quinoline-2,4-diol, and hydrazinium dihydrochloride or hydrazine hydrate in ethanol and pyridine. In ethanol, the reactions were catalyzed by 1,4-diazobicyclo[2,2,2]octane. The features of both procedures are high regioselectivity, mild reaction conditions, good to high yields, and operational simplicity.

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