ChemInform Abstract: Asymmetric Dehydrative Cyclization of ω-Hydroxy Allyl Alcohols Catalyzed by...

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ChemInform 2010, 41, issue 10 © 2010 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim www.cheminform.wiley-vch.de Benzopyran derivatives R 0350 DOI: 10.1002/chin.201010142 Asymmetric Dehydrative Cyclization of ω-Hydroxy Allyl Alcohols Catalyzed by Ruthenium Complexes. — Two novel axially chiral ligands are developed. Their Trost-type CpRu complexes induce the dehydrative intramolecular cyclization of ω-hy- droxy allyl alcohols with excellent reactivity and selectivity. Both aliphatic and aromat- ic alcohols can be used as nucleophiles at the ω-hydroxy end of the substrate. The chiral α-alkenyl cyclic ethers are potentially important intermediates for natural product syn- theses. — (TANAKA, S.; SEKI, T.; KITAMURA*, M.; Angew. Chem., Int. Ed. 48 (2009) 47, 8948-8951; Dep. Chem., Nagoya Univ., Nagoya 464, Japan; Eng.) — Kieslich 10- 142

Transcript of ChemInform Abstract: Asymmetric Dehydrative Cyclization of ω-Hydroxy Allyl Alcohols Catalyzed by...

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Benzopyran derivativesR 0350 DOI: 10.1002/chin.201010142

Asymmetric Dehydrative Cyclization of ω-Hydroxy Allyl Alcohols Catalyzed by Ruthenium Complexes. — Two novel axially chiral ligands are developed. Their Trost-type CpRu complexes induce the dehydrative intramolecular cyclization of ω-hy-droxy allyl alcohols with excellent reactivity and selectivity. Both aliphatic and aromat-ic alcohols can be used as nucleophiles at the ω-hydroxy end of the substrate. The chiral α-alkenyl cyclic ethers are potentially important intermediates for natural product syn-theses. — (TANAKA, S.; SEKI, T.; KITAMURA*, M.; Angew. Chem., Int. Ed. 48 (2009) 47, 8948-8951; Dep. Chem., Nagoya Univ., Nagoya 464, Japan; Eng.) — Kieslich

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ChemInform 2010, 41, issue 10 © 2010 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim

Di-//-iodo-bis [dicarbonyl(di-iert-butylphosphin)ruthenium ... & Opitz 1980.pdf · spin system of its XH NMR spectrum is analysed. RUCI3-(H2O)X Hydratisiertes Ruthenium(III)chlorid

Di-//-iodo-bis [dicarbonyl(di-iert-butylphosphin)ruthenium ... & Opitz 1980.pdf · spin system of its XH NMR spectrum is analysed. RUCI3-(H2O)X Hydratisiertes Ruthenium(III)chlorid

Conversion of glycerol into allyl alcohol over potassium-supported ...

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Enantioselektive Transferhydrierung mit Ruthenium(II ... · zurück.16 Im Jahr 1972 kam der Durchbruch mit Kagan´s DIOP.17 Der Ruthenium-BINAP-Komplex von Noyori ist einer der bekanntesten

Cascade catalytic hydrogenation–cyclization of methyl ...

Cascade catalytic hydrogenation–cyclization of methyl ...

TUGAS AKHIR PRARANCANGAN PABRIK ALLYL CHLORIDE · tugas akhir prarancangan pabrik allyl chloride dari propylene dan chlorine kapasitas 15.000 ton/tahun disusun oleh : 1. muhammad

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Ruthenium-106/ Jod-125 Brachytherapie, transpupilläre ... · Ruthenium-106 durch Lommatzsch Mitte der 60er Jahre [36]. Es wurde auch mit anderen Isotopen wie z.B. Iridium 192, Gold-198

Ruthenium-106/ Jod-125 Brachytherapie, transpupilläre ... · Ruthenium-106 durch Lommatzsch Mitte der 60er Jahre [36]. Es wurde auch mit anderen Isotopen wie z.B. Iridium 192, Gold-198

Allyl ABG™ - Fagron

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Light-induced charge-transfer dynamics in Ruthenium-polypyridine complexes

Light-induced charge-transfer dynamics in Ruthenium-polypyridine complexes

Thiol-Activated HNO Release from a Ruthenium Antiangiogenesis ...

Thiol-Activated HNO Release from a Ruthenium Antiangiogenesis ...

p-Cymene Based Ruthenium Complexes as Catalysts · 2015. 10. 2. · p-Cymene Based Ruthenium Complexes as Catalysts i This project took place in the School of Chemistry of the University

p-Cymene Based Ruthenium Complexes as Catalysts · 2015. 10. 2. · p-Cymene Based Ruthenium Complexes as Catalysts i This project took place in the School of Chemistry of the University

-Trimethylenemethane cyclization - University Of Illinois · -Trimethylenemethane cyclization OO Ph ... CH 2 16 e-BF 4 H base Ta V Me CH 2 18 e-Schrock JACS 1975 (97) 6577, 6579.

-Trimethylenemethane cyclization - University Of Illinois · -Trimethylenemethane cyclization OO Ph ... CH 2 16 e-BF 4 H base Ta V Me CH 2 18 e-Schrock JACS 1975 (97) 6577, 6579.

Isonitrile ruthenium and iron PNP complexes: Synthesis ...

Isonitrile ruthenium and iron PNP complexes: Synthesis ...

Synthesis of Lactic Acid Ruthenium-catalyzed Hydrogen ... · 1 Ruthenium-catalyzed Hydrogen Generation from Glycerol and Selective Synthesis of Lactic Acid Yang Li,† Martin Nielsen,†

Synthesis of Lactic Acid Ruthenium-catalyzed Hydrogen ... · 1 Ruthenium-catalyzed Hydrogen Generation from Glycerol and Selective Synthesis of Lactic Acid Yang Li,† Martin Nielsen,†

Mono- and dinuclear ( 6-arene) ruthenium(II) benzaldehyde ......2012/05/30  · Mono- and dinuclear (6-arene) ruthenium(II) benzaldehyde thiosemicarbazone complexes: Synthesis, characterization

Mono- and dinuclear ( 6-arene) ruthenium(II) benzaldehyde ......2012/05/30  · Mono- and dinuclear (6-arene) ruthenium(II) benzaldehyde thiosemicarbazone complexes: Synthesis, characterization

Ruthenium-Cobalt Dinuclear complexes as Photocatalysts for ... · Ruthenium-Cobalt Dinuclear complexes as Photocatalysts for CO2 reduction X.Wang,a V. Goudy,b G. Genesiob, J. Maynadiéb,

Ruthenium-Cobalt Dinuclear complexes as Photocatalysts for ... · Ruthenium-Cobalt Dinuclear complexes as Photocatalysts for CO2 reduction X.Wang,a V. Goudy,b G. Genesiob, J. Maynadiéb,

Tris(2,2’-bipyridine)ruthenium( · Ru(bpy) 3+ intermediate 2+* product Fig. 2: The mechanism of chemiluminescent reaction of tris(2,2’-bipyridine)ruthenium(III). 1981 年に Noffsinger

Tris(2,2’-bipyridine)ruthenium( · Ru(bpy) 3+ intermediate 2+* product Fig. 2: The mechanism of chemiluminescent reaction of tris(2,2’-bipyridine)ruthenium(III). 1981 年に Noffsinger

Ruthenium-Catalyzed [3,3]-Sigmatropic Rearrangements …d-scholarship.pitt.edu/7918/1/JessiePenichMSThesis6_7_2011.pdf · Ruthenium-Catalyzed [3,3]-Sigmatropic Rearrangements of ...

Ruthenium-Catalyzed [3,3]-Sigmatropic Rearrangements …d-scholarship.pitt.edu/7918/1/JessiePenichMSThesis6_7_2011.pdf · Ruthenium-Catalyzed [3,3]-Sigmatropic Rearrangements of ...

η-Allyl Palladium Chemistry · A Pd B R1 R3 R2 A Pd B R2 R3 R1 A Pd B R1 R3 R2 η3 → η1 Pd A B R3 R2 R1 rotation Pd A B R3 R2 R1 η1 → η3 + + + + + η3-Allyl-Pd Complexes are

η-Allyl Palladium Chemistry · A Pd B R1 R3 R2 A Pd B R2 R3 R1 A Pd B R1 R3 R2 η3 → η1 Pd A B R3 R2 R1 rotation Pd A B R3 R2 R1 η1 → η3 + + + + + η3-Allyl-Pd Complexes are

オーシールの用途 Creavey Seal Company‚ªーシールの耐薬品性 Abietic acid Acetic acid Acetic anhydride Acetone Acetophenone Acrylic anhydride Allyl acetate Allyl methacrylate

オーシールの用途 Creavey Seal Company‚ªーシールの耐薬品性 Abietic acid Acetic acid Acetic anhydride Acetone Acetophenone Acrylic anhydride Allyl acetate Allyl methacrylate

The Nazarov Cyclization - Chemistrychemistry.syr.edu/totah/che676/support/3e1/10.NazarovCyclization.pdf · Contents • Background(• Mechanism(• Stereochemistry(• Polarized(π:system(cyclizaons(•

The Nazarov Cyclization - Chemistrychemistry.syr.edu/totah/che676/support/3e1/10.NazarovCyclization.pdf · Contents • Background(• Mechanism(• Stereochemistry(• Polarized(π:system(cyclizaons(•