146667-94-9Relevant articles and documents
Keratin dyeing compounds, keratin dyeing compositions containing them, and use thereof
-
Page/Page column 11, (2008/06/13)
Compositions for the oxidative dyeing of keratin fibers, comprising a medium suitable for dyeing and at least one bicyclic 6-6 (0:1, 0:2, 1:1, 1:2) aza heteroaromatic keratin dyeing compound with one or two N-oxides. A method for oxidative dyeing of kerat
Palladium-Catalyzed Synthesis of Indoles from 2-Nitrostyrenes
Izumi, Taeko,Soutome, Michihiko,Miura, Takashi
, p. 1625 - 1629 (2007/10/02)
In the presence of palladium salts, oxidation of 2-nitrostyrenes 1 with nitrous acid alkyl esters 2 resulted in the formation of 2-nitrophenylacetaldehyde dialkyl acetals 3.Reductive cyclization of the acetals 3 with iron powder in acetic acid afforded indoles 5 in good yield.