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Start Over Author "Feray Aydogan" Journal tetrahedron: asymmetry
2 results on '"Feray Aydogan"'

1. The synthesis of chiral 5-methylene pyrrol-2(5H)-ones via photooxygenation of homochiral 2-methylpyrrole derivatives

Author

Ayhan S. Demir, Idris M. Akhmedov, and Feray Aydogan

Subjects
Inorganic Chemistry, chemistry.chemical_classification, chemistry.chemical_compound, chemistry, Organic Chemistry, Photooxygenation, Organic chemistry, Physical and Theoretical Chemistry, Methylene, Catalysis, Pyrrole derivatives, Amino acid
Abstract

Homochiral 2-methylpyrrole derivatives are synthesized in high yields starting from chiral amines, amino alcohols and amino acid esters. The photooxygenation of these pyrrole derivatives in the presence of a photosensitiser furnishes the corresponding α,β,γ,δ-unsaturated γ-lactams as the major products in good yields.

Published
2002

2. Simple chemoenzymatic access to enantiopure pharmacologically interesting (R)-2-hydroxypropiophenones

Author

Ayhan S. Demir, Haluk Hamamci, Rahsan Neslihanoglu, Feray Aydogan, Doga Capanoglu, and Ozge Sesenoglu

Subjects
Inorganic Chemistry, Hydrolysis, chemistry.chemical_compound, Enantiopure drug, Propiophenone, chemistry, Organic Chemistry, Organic chemistry, chemistry.chemical_element, Manganese, Physical and Theoretical Chemistry, Enantiomeric excess, Catalysis
Abstract

A chemoenzymatic synthesis of pharmacological interesting ( R )-2-hydroxypropiophenones starting from propiophenone derivatives is described. Manganese(III) acetate-mediated acetoxylation followed by fungus-mediated hydrolysis of propiophenone derivatives affords ( R )-2-hydroxypropiophenones in high enantiomeric excess.

Published
2001

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