Novel Synthetic Route Toward Benzofuran-pyridine–Based Spirans (original) (raw)

Recyclization of benzofuropyridines by the action of activated alkynes in the synthesis of spiro[benzofuropyridines], representatives of a new class of acetylcholinesterase inhibitors

Vladimir Tolkunov

Chemistry of Heterocyclic Compounds, 2013

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A rapid and facile synthesis of new spiropyrimidines from 5-(2-arylethylidene-2-oxo)-1,3-dimethylpyrimidine-2,4,6-triones

Iryna V Omelchenko

Tetrahedron, 2008

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Scalable Synthesis of Biologically Relevant Spirocyclic Pyrrolidines

Sergey Ryabukhin

ACS Omega, 2019

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A versatile synthesis of benzothieno-annelated 1,2-dihydropyridine and 1,2,3,4-tetrahydropyridine derivatives: the effect of the structure of benzothieno-annelated pyridinium salts on their reduction by sodium borohydride

Maksym Kryuchkov, Vladimir Tolkunov, Igor F Perepichka

Monatshefte für Chemie - Chemical Monthly, 2010

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A new route to 2-spiropiperidines

Stephane Ciblat

Tetrahedron Letters, 2001

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Condensed Pyridine Bases. Synthesis and Reactions of Benzofuro[2,3-c]indeno[2,1-e]-, Benzothieno[2,3-c]Indeno[2,1-e]-, Benzofuro-[3,2-c]Indeno[2,1-e]- and Thieno[2,3:4′,5′]-thieno[3,2-c]indeno[2,1-e]pyridines

Vladimir Tolkunov

Chemistry of Heterocyclic Compounds, 2005

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Synthesis of highly substituted spiropyrrolidines via 1, 3-dipolar cycloaddition reaction of N-metalated azomethine ylides. A new access to spiropyrrolines derivatives

Marek Kubicki

Mediterranean Journal of Chemistry, 2015

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Synthesis and Reactions of Some New Spiropyranthiazoline Derivatives

Essam Hussein

Phosphorus, Sulfur, and Silicon and the Related Elements, 2008

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Reactions of 6-aminouracils — A novel and highly efficient procedure for preparation of some new spiro pyridodipyrimidines under classical or microwave-assisted solvent-free conditions

ali akbar mohammadi

Canadian Journal of Chemistry, 2008

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Three-component synthesis of hexahydropyridopyrimidine–spirocyclohexanetriones induced by microwave

Rodrigo Abonia

Tetrahedron Letters, 2006

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Synthesis of pyrrolidin-3-ones from dihydropyran precursors via spiro-N,O-acetals

Praful Chovatia

Tetrahedron Letters, 2009

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Diastereoselective synthesis of spiro-functionalized tetraalkyl benzoisoquinopyrrolonaphthyridine-tetracarboxylates from isoquinoline, dialkyl acetylenedicarboxylates, and indane-1,3-dione

anvar mirzaei

Tetrahedron Letters, 2010

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An efficient synthesis of pyrazolo[3,4-b]pyridine-4-spiroindolinones by a three-component reaction of 5-aminopyrazoles, isatin, and cyclic β-diketones

Rodrigo Abonia

Tetrahedron Letters, 2011

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Synthesis and Reaction of Novel Spiro Pyrimidine Derivatives

Ameen Abuhashem

Journal of Heterocyclic Chemistry, 2013

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Concise Synthesis of Tryptanthrin Spiro Analogues with In Vitro Antitumor Activity Based on One-Pot, Three-Component 1,3-Dipolar Cycloaddition of Azomethine Ylides to Сyclopropenes

Mikhail Ryazantsev

Synthesis

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An unexpected route toward the synthesis of spiro-benzo[b]acridine-furan derivatives

Rahim Ghadari

Tetrahedron Letters, 2012

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Synthesis of Dihydrouracils Spiro-Fused to Pyrrolidines: Druglike Molecules Based on the 2-Arylethyl Amine Scaffold

Daniel Blanco

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New routes to polyfunctionally substituted pyridine, pyridopyridine, quinoline, and pyridazine derivatives

Ayman Erian

Archiv der Pharmazie, 1991

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Synthesis of some sulfur-containing spiro-pyrimidinetriones, pyrazolidinediones, and isoxazolidinediones

Dandu Reddy

Heteroatom Chemistry, 1993

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7-Nitro- and 7-aminosubstituted spiropyrans of 1-benzothieno[3,2-b]pyrrole

Valerii Shirinian, Alexey Shimkin

Dyes and Pigments, 2010

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New four-component reactions in water: a convergent approach to the metal-free synthesis of spiro[indoline/acenaphthylene-3,4′-pyrazolo[3,4-b]pyridine derivatives

José Carlos Menéndez

Tetrahedron, 2011

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New multicomponent domino reactions (MDRs) in water: highly chemo-, regio- and stereoselective synthesis of spiro{[1,3]dioxanopyridine}-4,6-diones and pyrazolo[3,4-b]pyridines

Ruby Singh

Green Chemistry, 2010

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The reaction of tetrahydrochromeno[3,4-c]pyridines with activated alkynes. The first synthesis of tetrahydrochromeno[4,3-d]azocines

Victor N Khrustalev

Tetrahedron Letters, 2011

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A greener approach for the synthesis of 1- N-methyl-(spiro[2.3′]oxindolespiro[3.2″]/spiro[2.3′]indan-1,3-dionespiro[2.2″])cyclopentanone-4-aryl pyrrolidines

Gowri Sridhar

Tetrahedron Letters, 2007

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Benzo[b]thiophen-3(2H)-one 1,1-dioxide—a versatile reagent in the synthesis of spiroheterocycles

Brigita Vigante

Tetrahedron, 2008

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Study on regioselective synthesis of bioactive bis-spiropyrazolines using molecular orbital calculations

Thoraya Farghaly

European Journal of Chemistry, 2014

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A strategic approach to the synthesis of functionalized spirooxindole pyrrolidine derivatives: in vitro antibacterial, antifungal, antimalarial and antitubercular studies

Armand Soldera

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Multiple approaches to enantiopure spirocyclic benzofuranones using organocatalytic cascade reactions

Eduardo Escudero

Chemical Communications, 2011

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An Efficient Synthesis and Biological Evaluation of Spiro [ ACENAPHTHYLENE-1 , 2 ′-Pyrrolidine ] Derivatives as Potent Anti-Infective Agents

sukhbeer kumari

2013

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Radical-mediated cyclization reactions leading to spiro and [6,6]-fused heterocycles

Pradip Debnath

Canadian Journal of Chemistry-revue Canadienne De Chimie, 2007

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