A general synthesis of β-methylated secondary alcohols via tandem α-methylation/transfer hydrogenation from non-methylated ketones with methanol by a Cp*Ir complex [Cp*Ir(2,2′-bpyO)(OH)]Na with a bipyridine-based functional ligand was reported. Remarkably, β-methylated secondary alcohols can be obtained under milder reaction conditions using methanol as the methylating agent (C1 source) by employing
[EN] CYCLOHEXENE DERIVATIVES AS FRAGRANCES AND/OR FLAVORS<br/>[FR] DÉRIVÉS DE CYCLOHEXÈNE COMME FRAGRANCES ET/OU ARÔMES
申请人:SYMRISE AG
公开号:WO2017133754A1
公开(公告)日:2017-08-10
The present invention relates to novel cyclohexene derivatives selected from the group consisting of formula (la) and/or (lb), and the use of the cyclohexene derivatives and their isomers as fragrances, especially as fragrances with a rhubarb odour tonality, and fragrance and/or flavouring compositions as well as consumer products, comprising the cyclohexene derivatives of formula (la) and/or (lb).
Process for protecting the color of artificially dyed keratin fibers with respect to washing and light; dyeing processes
申请人:Lalleman Boris
公开号:US20080229521A1
公开(公告)日:2008-09-25
The invention relates to a process for protecting the colour of artificially dyed keratin fibres with respect to washing and atmospheric agents, characterized in that it consists in applying at least:
a) a composition (B) comprising, in a cosmetically acceptable medium, at least one agent for protection against the effects of atmospheric agents, in particular the light,
b) and a composition (C) comprising, in a cosmetically acceptable medium, at least one zinc-based compound; it being possible for the composition (C) to be applied before or after dyeing of the keratin fibres, and the composition (B) being applied after dyeing of the keratin fibres.
The invention also relates to a process for dyeing keratin fibres, in particular human keratin fibres, and more particularly the hair, consisting in applying to said fibres at least:
(i) a direct dye composition (A) or an oxidation dye composition (A) in the presence of an oxidizing agent for a period of time sufficient to develop the colour,
(ii) a composition (B) as defined above,
(iii) a composition (C) as defined above;
it being possible for the composition (C) to be applied before or after the keratin fibre dyeing step, and the composition (B) being applied after the keratin fibre dyeing step.
SUNSCREEN COMPOSITIONS CONTAINING A NOVEL PRESERVATIVE SYSTEM
申请人:CZIRYAK Paula
公开号:US20130142740A1
公开(公告)日:2013-06-06
The present invention is directed to a sunscreen composition containing a novel preservative system for inhibiting micro-organisms comprising (a) at least one aromatic carboxylic acid, or salt thereof; (b) from about 0.01% to about 1% by weight of at least one at least one aromatic alcohol; (c) at least one sunscreen active; and (d) a cosmetically acceptable carrier.
Use Of Defined Cyclohexenones As Agents For The Superadditive Enhancement Of An Olfactory Impression And Fragrance And/Or Flavor Material Composition
申请人:Symrise AG
公开号:US20140023770A1
公开(公告)日:2014-01-23
A compound of Formula (I)
or of a mixture comprising two, three, four, five, six or a plurality of different compounds of Formula (I) for the superadditive enhancement of an olfactory impression. The invention also relates to novel fragrance and/or flavor material compositions which, in addition to a compound of Formula (I) or a mixture thereof, further contains one, two, three or a plurality of further fragrance and/or flavor materials, the fragrance and/or flavor material or the further fragrance and/or flavor materials not being compound of Formula (I).