ChemInform Abstract: Lewis Acid-Catalyzed Oxidative Rearrangement of Tertiary Allylic Alcohols Mediated by TEMPO.

ChemInform ◽  
2010 ◽  
Vol 41 (22) ◽  
pp. no-no
Author(s):  
Jean-Michel Vatele
Keyword(s):  
Lewis Acid ◽  
Allylic Alcohols ◽  
Oxidative Rearrangement ◽  
Acid Catalyzed

scholarly journals Synthesis of spiroannulated and 3-arylated 1,2,4-trioxanes from mesitylol and methyl 4-hydroxytiglate by photooxygenation and peroxyacetalization

2010 ◽  
Vol 6 ◽  
Author(s):  
Axel G Griesbeck ◽  
Lars-Oliver Höinck ◽  
Jörg M Neudörfl
Keyword(s):  
Singlet Oxygen ◽  
Lewis Acid ◽  
Allylic Alcohols ◽  
Ene Reaction ◽  
X Ray ◽  
X Ray Crystallography ◽  
Homoallylic Alcohols ◽  
Acid Catalyzed ◽  
Benzaldehyde Derivatives

Cycloalkanones were utilized in the Lewis acid catalyzed peroxyacetalization of ß-hydroperoxy homoallylic alcohols (prepared by the ene reaction of the allylic alcohols mesitylol and methyl 4-hydroxytiglate, respectively, with singlet oxygen) to give spiroannulated 1,2,4-trioxanes 5a–5e and 9a–9e, respectively. A second series of 3-arylated trioxanes 10a–10h, that are available from the hydroperoxy alcohol 4 and benzaldehyde derivatives, was investigated by X-ray crystallography.

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