ChemInform Abstract: Platinum- and Gold-Catalyzed Hydrative Carbocyclization of Oxo Diynes for...

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ChemInform 2009, 40, issue 05 © 2009 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim www.cheminform.wiley-vch.de Benzopyran derivatives R 0350 Platinum- and Gold-Catalyzed Hydrative Carbocyclization of Oxo Diynes for One-Pot Synthesis of Benzopyrones and Bicyclic Spiro Ketones. — A variety of substituted diynones is converted to polycyclic benzoisochromenes or spirocyclic prod- ucts catalyzed by PtCl2 or AuCl(PPh3)/AgOTf. When diynals (I) are used as substrates, the corresponding benzoisochromenes are obtained, while the gold-catalyzed reaction does not deliver any satisfactory results. — (DAS, A.; CHANG, H.-K.; YANG, C.-H.; LIU*, R.-S.; Org. Lett. 10 (2008) 18, 4061-4064; Dep. Chem., Natl. Tsing Hua Univ., Hsinchu 30043, Taiwan; Eng.) — R. Steudel 05- 139

Transcript of ChemInform Abstract: Platinum- and Gold-Catalyzed Hydrative Carbocyclization of Oxo Diynes for...

Page 1: ChemInform Abstract: Platinum- and Gold-Catalyzed Hydrative Carbocyclization of Oxo Diynes for One-Pot Synthesis of Benzopyrones and Bicyclic Spiro Ketones.

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Benzopyran derivativesR 0350 Platinum- and Gold-Catalyzed Hydrative Carbocyclization of Oxo Diynes for

One-Pot Synthesis of Benzopyrones and Bicyclic Spiro Ketones. — A variety of substituted diynones is converted to polycyclic benzoisochromenes or spirocyclic prod-ucts catalyzed by PtCl2 or AuCl(PPh3)/AgOTf. When diynals (I) are used as substrates, the corresponding benzoisochromenes are obtained, while the gold-catalyzed reaction does not deliver any satisfactory results. — (DAS, A.; CHANG, H.-K.; YANG, C.-H.; LIU*, R.-S.; Org. Lett. 10 (2008) 18, 4061-4064; Dep. Chem., Natl. Tsing Hua Univ., Hsinchu 30043, Taiwan; Eng.) — R. Steudel

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ChemInform 2009, 40, issue 05 © 2009 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim

Carbocyclization of Carbohydrates to Hydroxylated …...to give the cyclohexene motif, the protected shikimic acid 7. Acid catalysed removal of the blocking groups in 7 furnished shikimic

Carbocyclization of Carbohydrates to Hydroxylated …...to give the cyclohexene motif, the protected shikimic acid 7. Acid catalysed removal of the blocking groups in 7 furnished shikimic

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

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Alkyne metathesis - University of Windsorathena.uwindsor.ca/users/j/jlichaa/reference.nsf/0/... · alkyne metathesis to realise the ring closing of acyclic diynes to afford cyclic

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ChemInform Sheet A4on chemo-, regio-, and stereo-selective reactions. The RefLib database is included with CIRX and provides reactions abstracted from Theilheimer’s Synthetic Methods

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PALLADIUM CATALYZED HYDROSTANNATIONS OF · PDF filer nuuau~v~rl LA-X lfi~ A ~PIU ~1 x UKUD LAIYLYNL IU~\I Ur ALLENES AND 1,6- DIYNES: A FACILE ROUTE TO USEFUL SYNTHETIC INTERMEDIATES

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METHODOLOGY Ecientiterativevirtualscreening with … · 2018. 3. 1. · Ahmed et al. J Cheminform Page4of8 10contain‘high-scoring’ligands.eunassignedbin3is excludedfromtraining.Figure

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ChemInform Sheet A4 · 2013. 9. 13. · The ChemInform Reaction Library (CIRX) helps to deal with the enormous number of published reactions as it does not cover all information available

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Computational methods for prediction of in vitro effects of …...Banerjee et al. J Cheminform DOI 10.1186/s13321-016-0162-2 RESEARCH ARTICLE Computational methods for prediction of

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FAIR chemical structures in the Journal of Cheminformatics...Schymanski and Bolton J Cheminform Page 2 of 3 the chemical structure content. By improving the - ndability and interoperability,

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Accuracy enhancement in the estimation of molecular ......Chung and Park J Cheminform DOI 10.1186/s13321-015-0106-2 RESEARCH ARTICLE Accuracy enhancement in the estimation of molecular

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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)

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 · OL' meat dishes contain lamb cc mutton. Our diYnes may contan allergies. Food Allergies and ntolerances: Custcn-Hs advised to et staff know if any food may cause aWgic reaction

 · OL' meat dishes contain lamb cc mutton. Our diYnes may contan allergies. Food Allergies and ntolerances: Custcn-Hs advised to et staff know if any food may cause aWgic reaction

ChemInform RxnFinder

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