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Dissymetrisation de la molecule du glyoxal 1-synthese et reactivite de L'acetoxy-1 triethoxy-1,2,2 ethane

✍ Scribed by A Stambouli; F Chastrette; R Amouroux; M Chastrette; G Mattioda; A Blanc


Book ID
104219013
Publisher
Elsevier Science
Year
1986
Tongue
French
Weight
281 KB
Volume
27
Category
Article
ISSN
0040-4039

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✦ Synopsis


Acgtoxy-1 trie'thoxy-1,2,2 ethane, a dissymetric derivative of glyoxal, is prepared and reacted with various bases and nucleophiles, as amines, cyanotrimethylsilane, organometallic and WITTIC reagents. Various acetals are obtained, leading to a-fonctionalized aldehydes. Premier terme des dialdehydes, le glyoxal est un synthon bifonctionnel tres re'actif dont les applications sont multiplesI. Cependant, la forme anhydre monomer-e etant instable, on est contraint d'utiliser soit des solutions aqueuses, soit des formes polymer-es,


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