Hydroformylation des Alcenes (Ou Olefines) PDF Download
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Author:
Publisher: Ed. Techniques Ingénieur
ISBN:
Category :
Languages : fr
Pages : 11
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Author:
Publisher: Ed. Techniques Ingénieur
ISBN:
Category :
Languages : fr
Pages : 11
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Author: Kuntz
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Author: Marco Haumann
Publisher:
ISBN: 9783898202862
Category : Alkenes
Languages : en
Pages : 118
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Author: Françoise Serein-Spirau
Publisher:
ISBN:
Category :
Languages : fr
Pages :
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Book Description
ETUDE BIBLIOGRAPHIQUE SUR LA SYNTHESE DES ALDEHYDES A PARTIR DES ALCENES NATURELS. ETUDE EXPERIMENTALEZ SUR OPTIMISATION DE LA TRANSFORMATION DES SUBSTRATS, ORIENTATION DES REACTIONS, VITESSES DE REACTIONS SELECTIVITES DE SYNTHESE D'ISOMERES PARTICULIERS, PURIFICATION DES PRODUITS DE REACTION, ROLE DE COMPLEXES ORGANOMETALLIQUES; ESSAIS BIOLOGIQUES - ACTIVITE HERBICIDE - PHYTOTOXICITE - CYTOTOXICITE - MECANISME D'ACTION SUR LE PLASMALEMME. AUTOMATISATION DE LA SYNTHESE A PARTIR D'UNE UNITE D'HYDROFORMYLATION PILOTEE PAR ORDINATEUR
Author:
Publisher:
ISBN:
Category : Alkenes
Languages : en
Pages : 190
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Book Description
Author: M.M. Taqui Khan
Publisher: Elsevier
ISBN: 0323160166
Category : Science
Languages : en
Pages : 208
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Book Description
Homogeneous Catalysis by Metal Complexes, Volume II: Activation of Alkenes and Alkynes reviews and systematizes the chemistry of metal ion activation of alkenes and alkynes. The book presents the migration of ? bonds; the oxo reaction; and the hydrosilation of alkenes and alkynes. The text also covers topics on the oxidation of alkenes and alkynes, as well as the multiple insertion reactions of alkenes and alkynes.
Author: George Lappin
Publisher: CRC Press
ISBN: 1482254255
Category : Science
Languages : en
Pages : 473
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Book Description
This book discusses the applications of higher linear alpha olefins containing 4 to 30 carbon atoms, describes current commercial uses of alpha olefins, and indicates potential new uses. It also documents methods of production and provides physical property and general property data on the olefins.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 580
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Book Description
Hydroformylation is a large-scale commodity process in the synthesis of aldehydes from alkene, carbon monoxide and hydrogen gas starting materials; in contrast, asymmetric hydroformylation (AHF) is underutilized in the synthesis of chiral aldehydes. Because rhodium-catalyzed hydroformylation exhibits perfect atom-economy, high turnover numbers, and fast rates, this is a desirable reaction in synthesis of branched chiral aldehydes. Challenges in AHF include control of selectivity (chemo-, regio-, and enantio-), slow rates of reaction, and a limited substrate scope. Currently, only a handful of chiral phosphorus-containing ligands exhibit state-of-the-art rates of reaction and high levels of enantioselectivity in rhodium-catalyzed hydroformylation for a broad range of substrates; even less of these have found applications in complex molecule and natural product synthesis. This work describes the synthesis of a bis-3,4-diazaphospholane ligand library, hydroformylation of O-functionalized alkenes, and application with Wittig olefination in the synthesis of complex organic molecules. A library of bis-3,4-diazaphospholanes ligands was generated by varying the steric bulk in the secondary coordination sphere and applied to the hydroformylation of three terminal alkenes. Styrene exhibited modest variations in regio- and enantioselectivity, whereas, vinyl acetate and allyloxy-t-butyldimethylsilane exhibited fairly minor changes. Enantioselective hydroformylation of allyl ethers with bisdiazaphospholane ligands yield synthetically useful building blocks for organic synthesis; one prominent example, chiral "Roche aldehyde" can be accessed from inexpensive allyl alcohol. AHF of 5-grams of an allyl silyl ether and a protected acrolein demonstrate scalable syntheses of chiral building blocks relevant for natural product synthesis. One-pot asymmetric hydroformylation-Wittig olefinations (AHF-WO) is performed with various alkenes using Rh-bisdiazaphospholane catalysts resulting in [alpha,beta]-unsaturated carbonyl products. In these experiments multiple AHF-WO iterations demonstrate the utility of the synthesis of complex molecules with various functionalities, multiple carbon-carbon double bonds, and stereocenters. Overall this body of work promotes the use of bisdiazaphospholane ligands for enantioselective hydroformylation and organic synthesis.
Author: Matthew Michael Doyle
Publisher:
ISBN:
Category : Aldehydes
Languages : en
Pages : 308
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Book Description
Author: M.M. Taqui Khan
Publisher: Academic Press
ISBN:
Category : Science
Languages : en
Pages : 216
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Book Description
Band 2.
