9783540165262 - modern synthetic methods 1986: conference papers of the international seminar on modern synthetic methods 1986, interlaken, april 17th/18th 1986: 4 (8 risultati)
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Modern Synthetic Methods 1986: Conference Papers of the International Seminar on Modern Synthetic Methods 1986, Interlaken, April 17th/18th 1986
Scheffold, R. (Editor) / Brown, H.C. (Assistant) / Demuth, M. (Assistant) / Helmchen, G. (Assistant) / Schaffner, K. (Assistant) / Seebach, D. (Assistant) / Suslick, K.S. (Assistant)
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Paperback. Condizione: Brand New. 368 pages. 8.27x5.83x0.83 inches. In Stock.
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Taschenbuch. Condizione: Neu. Druck auf Anfrage Neuware - Printed after ordering - In the tricyclooctanone approach to polyquinane syntheses[ll the photochemical rearrangement of bicyclo[2.2.2]octenone, 1a 2a,[2J has been the initial key reaction providing tricyclo 2 [3.3.0.0 ' S]octan-3-one as a chiral building block.[3-SJ This… reaction - an oxadi-n-methane (ODPM) process - and the 1,3-acyl shift (AS) forming the cyclobutanone 3 are quite generally the characteristic re arrangement paths undergone by ~,~-unsaturated ketones (~,~-UKs) upon triplet sensitization and direct excitation with ultraviolet light, respectively. R' R' hv hv R~O ~ ~ (sens) WO ~ R ONR R 1a-c 2a-c 3a-c a R=R'=H b R = CH , R'= H 3 c R = R'= CH 3 As a polyvalent building block, the enantiomers of which are readily accessible from cheap bulk chemicals such as benzene and its derivatives, the parent system 1a and three younger generations of its class (Sections 3.1. - 3.4.) have no equal among synthetically useful photochemical rearrangements. 2. THE PHOTOCHEMISTRY OF ~,~-UNSATURATED KETONES The literature dealing with the spectroscopy and photo chemistry of ~,~-UKs has been exhaustively and critically reviewed around 1975 by Dauben et al.[6l and Houk,[7J and in 1980 by Schuster.[SlI1 The 1,3-AS was first observed on direct excitation of 1) For more recent papers on i3,~-UK photochemistry see [9-24]. 64 ~ R' hv ~o hv ...
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Paperback. Condizione: Very Good. Dust Jacket may NOT BE INCLUDED.CDs may be missing. SHIPS FROM MULTIPLE LOCATIONS. book.
Lingua: Inglese
Editore: Springer Berlin Heidelberg, Springer Berlin Heidelberg Apr 1986, 1986
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Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -In the tricyclooctanone approach to polyquinane syntheses[ll the photochemical rearrangement of bicyclo[2.2.2]octenone, 1a 2a,[2J has been the initial key reaction providing tricyclo 2 [3.3.0.0 ' S]octan-3-one as a chiral building…block.[3-SJ This reaction - an oxadi-n-methane (ODPM) process - and the 1,3-acyl shift (AS) forming the cyclobutanone 3 are quite generally the characteristic re arrangement paths undergone by ~,~-unsaturated ketones (~,~-UKs) upon triplet sensitization and direct excitation with ultraviolet light, respectively. R' R' hv hv R~O ~ ~ (sens) WO ~ R ONR R 1a-c 2a-c 3a-c a R=R'=H b R = CH , R'= H 3 c R = R'= CH 3 As a polyvalent building block, the enantiomers of which are readily accessible from cheap bulk chemicals such as benzene and its derivatives, the parent system 1a and three younger generations of its class (Sections 3.1. - 3.4.) have no equal among synthetically useful photochemical rearrangements. 2. THE PHOTOCHEMISTRY OF ~,~-UNSATURATED KETONES The literature dealing with the spectroscopy and photo chemistry of ~,~-UKs has been exhaustively and critically reviewed around 1975 by Dauben et al.[6l and Houk,[7J and in 1980 by Schuster.[SlI1 The 1,3-AS was first observed on direct excitation of 1) For more recent papers on i3,~-UK photochemistry see [9-24]. 64 ~ R' hv ~o hv ., 368 pp. Englisch.
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Condizione: New. Dieser Artikel ist ein Print on Demand Artikel und wird nach Ihrer Bestellung fuer Sie gedruckt. Sponsored and organized by the Association of Swiss ChemistsSound and Light in Synthesis.- Ultrasound in Synthesis.- Photochemically Generated Building Blocks I.- Photochemically Generated Building Blocks II The Tric…yclooctanone Approach.- Synthesis of .
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Taschenbuch. Condizione: Neu. Modern Synthetic Methods 1986 | Conference Papers of the International Seminar on Modern Synthetic Methods 1986, Interlaken, April 17th/18th 1986 | R. Scheffold | Taschenbuch | viii | Englisch | 1986 | Springer | EAN 9783540165262 | Verantwortliche Person für die EU: Springer Verlag GmbH, Tiergarten…str. 17, 69121 Heidelberg, juergen[dot]hartmann[at]springer[dot]com | Anbieter: preigu Print on Demand.
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Taschenbuch. Condizione: Neu. This item is printed on demand - Print on Demand Titel. Neuware -Sound and Light in Synthesis.- Ultrasound in Synthesis.- Photochemically Generated Building Blocks I.- Photochemically Generated Building Blocks II The Tricyclooctanone Approach.- Synthesis of Enantiomerically Pure Compunds with C,C Bo…nd Formation.- EPC Syntheses with C,C Bond Formation via Acetals and Enamines.- Asymmetric Diels-Alder Reactions with Chiral Enoates as Dienophiles.- Enantiomerically Pure Compounds via Chiral Organoboranes.Springer-Verlag KG, Sachsenplatz 4-6, 1201 Wien 368 pp. Englisch.
