ChemInform Abstract: A Silver-Catalyzed Spirocyclization of Alkynyl Silyl Enol Ethers.

1
ChemInform 2012, 43, issue 01 © 2012 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim Spirocyclic compounds Q 0055 DOI: 10.1002/chin.201243055 A Silver-Catalyzed Spirocyclization of Alkynyl Silyl Enol Ethers. — The cyclo- isomerization of alkynyl silyl enol ethers proceeds in the presence of a silver catalyst in dependence on the solvent used. In most cases, in CH2Cl 2 exo- products are obtained preferentially. In contrast, the endo-isomer is formed mainly in toluene. Additional treatment with N-iodosuccinimide results in formation of alkenyl iodide derivatives as (E)-isomers exclusively [cf. (IV), (X)]. — (SCHAEFER, C.; MIESCH, M.; MIESCH*, L.; Chem. Eur. J. 18 (2012) 26, 8028-8031, http://dx.doi.org/10.1002/chem.201200116 ; Lab. Chim. Org. Synth., CNRS, Inst. Chim., Univ. Louis Pasteur, F-67008 Strasbourg, Fr.; Eng.) — S. Adam 43- 055

Transcript of ChemInform Abstract: A Silver-Catalyzed Spirocyclization of Alkynyl Silyl Enol Ethers.

Page 1: ChemInform Abstract: A Silver-Catalyzed Spirocyclization of Alkynyl Silyl Enol Ethers.

Spirocyclic compoundsQ 0055 DOI: 10.1002/chin.201243055

A Silver-Catalyzed Spirocyclization of Alkynyl Silyl Enol Ethers. — The cyclo-isomerization of alkynyl silyl enol ethers proceeds in the presence of a silver catalyst in dependence on the solvent used. In most cases, in CH2Cl2 exo- products are obtained preferentially. In contrast, the endo-isomer is formed mainly in toluene. Additional treatment with N-iodosuccinimide results in formation of alkenyl iodide derivatives as (E)-isomers exclusively [cf. (IV), (X)]. — (SCHAEFER, C.; MIESCH, M.; MIESCH*, L.; Chem. Eur. J. 18 (2012) 26, 8028-8031, http://dx.doi.org/10.1002/chem.201200116 ; Lab. Chim. Org. Synth., CNRS, Inst. Chim., Univ. Louis Pasteur, F-67008 Strasbourg, Fr.; Eng.) — S. Adam

43- 055

ChemInform 2012, 43, issue 01 © 2012 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim

Electronic Supplementary Information (ESI) › suppdata › c8 › cc › c8cc06683c › c8cc06683c1.pdfElectronic Supplementary Information (ESI) A Hexadecanuclear Silver Alkynyl

Electronic Supplementary Information (ESI) › suppdata › c8 › cc › c8cc06683c › c8cc06683c1.pdfElectronic Supplementary Information (ESI) A Hexadecanuclear Silver Alkynyl

Presentazione standard di PowerPoint · di formazione è complesso e coinvolge una serie di trasferimenti ... NaNH2, NH, Alkynyl sodium ... (alcolo-alogenuro; alcol-composto carbonilico-acido,

Presentazione standard di PowerPoint · di formazione è complesso e coinvolge una serie di trasferimenti ... NaNH2, NH, Alkynyl sodium ... (alcolo-alogenuro; alcol-composto carbonilico-acido,

Jacobsen asymmetric epoxidation of olefins R = aryl, alkenyl, alkynyl R’ = bulky group Metal complexes of porphyrins, salens, phthlocyanins catalyze the.

Jacobsen asymmetric epoxidation of olefins R = aryl, alkenyl, alkynyl R’ = bulky group Metal complexes of porphyrins, salens, phthlocyanins catalyze the.

Iron-catalyzed Spirocyclization Project · It was not until relatively recently that the field of iron catalysis expanded. From 2004, there was significant progress and research about

Iron-catalyzed Spirocyclization Project · It was not until relatively recently that the field of iron catalysis expanded. From 2004, there was significant progress and research about

Open Access CSgator:kanjintegratedkwebkplatformk forjcompoundksetkanalysis · 2019. 3. 4. · Parkjet al. J Cheminform Pagek6kofk8 currentlackofenoughcompound-targetdataevenafter

Open Access CSgator:kanjintegratedkwebkplatformk forjcompoundksetkanalysis · 2019. 3. 4. · Parkjet al. J Cheminform Pagek6kofk8 currentlackofenoughcompound-targetdataevenafter

Synthesis of Luminescent Alkynyl Gold Metalaligands Containing 2

Synthesis of Luminescent Alkynyl Gold Metalaligands Containing 2

simple and facile approach to 3-thioazaspiro[4,5]trienones ... · Silver-catalyzed direct spirocyclization of alkynes with thiophenols: a simple and facile approach to 3-thioazaspiro[4,5]trienones

simple and facile approach to 3-thioazaspiro[4,5]trienones ... · Silver-catalyzed direct spirocyclization of alkynes with thiophenols: a simple and facile approach to 3-thioazaspiro[4,5]trienones

Novel alkynyl substituted 3,4-dihydropyrimidin-2(1H)-one ... · 1 Novel alkynyl substituted 3,4-dihydropyrimidin-2(1H)-one derivatives as potential inhibitors of chorismate mutase

Novel alkynyl substituted 3,4-dihydropyrimidin-2(1H)-one ... · 1 Novel alkynyl substituted 3,4-dihydropyrimidin-2(1H)-one derivatives as potential inhibitors of chorismate mutase

Open Access Programming langage in chemiy: a eie of HTML5 ... · Theien J Cheminform Page 3 of 19 HTML5 econtentweviewontheInternetismadepossiblebya unionofseveraltechnologies,mainlyHypertextMarkup

Open Access Programming langage in chemiy: a eie of HTML5 ... · Theien J Cheminform Page 3 of 19 HTML5 econtentweviewontheInternetismadepossiblebya unionofseveraltechnologies,mainlyHypertextMarkup

Open Access C S :kextractionkandjre-use(ability)k ... · Nguyenjet al. J Cheminform Pagek2kofk9 forthegenerationofcalculatedinformationandidenti-ers.AlthoughtherearesomealternativestoChemDraw,

Open Access C S :kextractionkandjre-use(ability)k ... · Nguyenjet al. J Cheminform Pagek2kofk9 forthegenerationofcalculatedinformationandidenti-ers.AlthoughtherearesomealternativestoChemDraw,

Classification System for Solid Supports Used ... - FIZ CHEMIE › fileadmin › user_upload › Cheminform › Spore › _… · FIZ CHEMIE BERLIN - 5 (23) - The remainder of the

Classification System for Solid Supports Used ... - FIZ CHEMIE › fileadmin › user_upload › Cheminform › Spore › _… · FIZ CHEMIE BERLIN - 5 (23) - The remainder of the

Visible-light-enabled spirocyclization of alkynes leading ... · sulfenyl groups are extremely important in synthetic chemistry, pharmaceutical industry and materials science.13 The

Visible-light-enabled spirocyclization of alkynes leading ... · sulfenyl groups are extremely important in synthetic chemistry, pharmaceutical industry and materials science.13 The

Hypervalent Iodonium Alkynyl Triflate Generated ...libres.uncg.edu/ir/uncg/f/M_Croatt_Hypervalent_2017.pdfassess the chemoselectivity and stereospecificity of phenylcyanocarbene. Scheme

Hypervalent Iodonium Alkynyl Triflate Generated ...libres.uncg.edu/ir/uncg/f/M_Croatt_Hypervalent_2017.pdfassess the chemoselectivity and stereospecificity of phenylcyanocarbene. Scheme

Tandem Bond-Forming Reactions of 1 Alkynyl Ethers · Tandem Bond-Forming Reactions of 1‑Alkynyl Ethers Thomas G. Minehan* Department of Chemistry and Biochemistry, California State

Tandem Bond-Forming Reactions of 1 Alkynyl Ethers · Tandem Bond-Forming Reactions of 1‑Alkynyl Ethers Thomas G. Minehan* Department of Chemistry and Biochemistry, California State

RESEARCHARTICLE LargescalecomparisonofQSAR … · 2020. 3. 19. · Boscet al. J Cheminform Page3of16 Dta preparation Compoundstructureswereextractedfromthedatabase inSMILESformatandusingRDKit(version2017_09_01)

RESEARCHARTICLE LargescalecomparisonofQSAR … · 2020. 3. 19. · Boscet al. J Cheminform Page3of16 Dta preparation Compoundstructureswereextractedfromthedatabase inSMILESformatandusingRDKit(version2017_09_01)

Supporting Information of Alkynyl Aryl Ethers with ... · Supporting Information DFT Study on the Mechanism of Bimetallic Pd−Zn-Catalyzed Cycloaddition of Alkynyl Aryl Ethers with

Supporting Information of Alkynyl Aryl Ethers with ... · Supporting Information DFT Study on the Mechanism of Bimetallic Pd−Zn-Catalyzed Cycloaddition of Alkynyl Aryl Ethers with

Enantioselective cyclization of enamide-ynes and ...Enantioselective synthesis Electrophilic activation Spirocyclization Natural product synthesis abstract We report the palladium-catalyzed

Enantioselective cyclization of enamide-ynes and ...Enantioselective synthesis Electrophilic activation Spirocyclization Natural product synthesis abstract We report the palladium-catalyzed

Probing the nature of gold–carbon bonding in gold–alkynyl ...casey.brown.edu/chemistry/research/LSWang/publications/376.pdf · mechanisms of homogeneous gold catalysis. Well-defined

Probing the nature of gold–carbon bonding in gold–alkynyl ...casey.brown.edu/chemistry/research/LSWang/publications/376.pdf · mechanisms of homogeneous gold catalysis. Well-defined

RESEARCHARTICLE OpAccess ......Jiangiet al. J Cheminform Pagej2jofj26 playerindrugabsorption,distribution,metabolism, excretion,andtoxicity(ADMET)[5, 6],andhasalsobeen ...

RESEARCHARTICLE OpAccess ......Jiangiet al. J Cheminform Pagej2jofj26 playerindrugabsorption,distribution,metabolism, excretion,andtoxicity(ADMET)[5, 6],andhasalsobeen ...

Metal Organic Frameworks Containing (Alkynyl)Gold ......paddlewheel MOF.41 The use of an (alkynyl)gold(phosphine)-functionalized bipyridine linker, which is shorter than the “parent”

Metal Organic Frameworks Containing (Alkynyl)Gold ......paddlewheel MOF.41 The use of an (alkynyl)gold(phosphine)-functionalized bipyridine linker, which is shorter than the “parent”