H<sub>3</sub>PW<sub>12</sub>O<sub>40</sub>as a Useful Recyclable Heterogeneous Catalyst for the Facile and Highly Efficient Michael Addition Reaction of Thiols to α,β-Unsaturated Ketones
作者:Habib Firouzabadi、Nasser Iranpoor、Abbas Ali Jafari
DOI:10.1055/s-2004-837212
日期:——
Solid H 3 PW 1 2 O 4 0 is easily used as a heterogeneous, reusable and efficient catalyst (1 mol%) for the selective addition of thiols and dithiols to α,β-unsaturated ketones in MeCN to afford the corresponding Michael adducts in excellent yields at room temperature.
固体 H 3 PW 1 2 O 4 0 很容易用作多相、可重复使用和高效的催化剂 (1 mol%),用于将硫醇和二硫醇选择性加成到 MeCN 中的 α,β-不饱和酮,以优异的性能提供相应的迈克尔加合物在室温下产生。
Micellar Solution of Sodium Dodecyl Sulfate (SDS) Catalyzes Facile Michael Addition of Amines and Thiols to ?,?-Unsaturated Ketones in Water under Neutral Conditions
作者:H. Firouzabadi、N. Iranpoor、A.?A. Jafari
DOI:10.1002/adsc.200404348
日期:2005.4
Sodiumdodecylsulfate (SDS) catalyzesfacileMichaeladditions of amines and thiols to α,β-unsaturated ketonesunderneutralmicellarconditions to afford the corresponding Michael adducts in good to high yields.
[EN] COMPOUNDS FOR PROVIDING A LONG-LASTING FLORAL AND FRUITY ODOR<br/>[FR] COMPOSÉS DESTINÉS À FOURNIR UNE ODEUR FLORALE ET FRUITÉE DE LONGUE DURÉE
申请人:FIRMENICH & CIE
公开号:WO2021122997A1
公开(公告)日:2021-06-24
The present invention relates to the field of perfumery. The present invention relates to compounds of formula (I) that are able to provide a long-lasting or substantive odor, in particular floral and/or fruity odor, to the environment. Moreover, the present invention relates to a method of imparting a long-lasting odor, in particular a fresh green, floral and/or fruity odor, to surfaces, such as hard surfaces, fabric, skin or hair. Furthermore, the present invention relates to the use of said compounds in perfumery, as well as the perfuming compositions or perfumed articles comprising the invention's compounds.