An Efficient TiCl<sub>4</sub>-Catalysed Method for the Synthesis of Para-Substituted Aromatic Aldehydes
作者:Chenfeng Zhou、Weike Su
DOI:10.3184/174751915x14408762827272
日期:2015.10
An efficient and highly selective synthesis of para-substituted aromaticaldehydes has been achieved by TiCl4-catalysed Friedel–Craftsalkylation of monosubstituted benzenes with methacrolein diacetyl acetal.
VIRGILIO, J. A.;HEILWEIL, E., ORG. PREP. AND PROCED. INT., 1982, 14, N 1-2, 9-20
作者:VIRGILIO, J. A.、HEILWEIL, E.
DOI:——
日期:——
MITTEL ZUM OXIDATIVEN FÄRBEN VON KERATINFASERN
申请人:Wella Aktiengesellschaft
公开号:EP1499281A1
公开(公告)日:2005-01-26
Agents for oxidatively dying keratin fibers
申请人:——
公开号:US20040187226A1
公开(公告)日:2004-09-30
Agent for oxidative dyeing of keratin fibers based on developers and couplers and containing at least one aldehyde of general formula (I) or (II)
1
as well as the use of the aldehydes of formula (I) or (II) for increasing the color intensity of oxidative colorants and/or for shortening the time of exposure to oxidative colorants.