Steric and Electronic Effects in Cyclic Alkoxyamines—Synthesis and Applications as Regulators for Controlled/Living Radical Polymerization
作者:Christian Wetter、Johannes Gierlich、Christoph Alexander Knoop、Christoph Müller、Tobias Schulte、Armido Studer
DOI:10.1002/chem.200305427
日期:2004.3.5
trimethylsilyl(TMS)-diazomethane. The use of the new alkoxyamines as regulators/initiators for radical polymerization is discussed. Efficient controlled and livingpolymerization of styrene and n-butyl acrylate was obtained with the six-membered tetraethyl alkoxyamine 13. Controlledpolymerizations can be conducted even at 90 degrees C. In addition, alkoxyamine 13 can be used for the preparation of AB diblock
Process for the preparation of novel unsaturated macrocyclic ketones
申请人:Firmenich SA
公开号:US04302607A1
公开(公告)日:1981-11-24
New unsaturated macrocyclic ketones are obtained via a process which consists in reacting a dialdehyde with a tetraalkyldiphosphonate ester. The new ketones are useful intermediates for the preparation of cyclopentadecanone and its higher methyl-homologue, known fragrant substances. New ketones possess also direct utility as musky odorants.
Unsaturated macrocyclic ketones; their preparation; preparation of saturated macrocyclic ketones; application in perfume and flavour compositions of some unsaturated macrocyclic ketones
申请人:FIRMENICH SA
公开号:EP0015412A2
公开(公告)日:1980-09-17
Uaturated ketones of formula
possessing two single or two double bonds in the positions indicated by the dotted lines (n = 1 or 2) are prepared by reacting, in the presence of a basic reagent, a dialdehyde of formula
wherein the index n and the dotted lines have the above meaning with a diphosphonate of formula
wherein R represents an alkyl radical.
Compounds of formula (I), which are new, are also useful perfuming and flavouring ingredients.
式中的不饱和酮
在虚线所示位置(n = 1 或 2)具有两个单键或两个双键的式不饱和酮,是在碱性试剂存在下,通过与式 2 的二醛反应制备的。
式中的指数 n 和虚线具有上述含义。
其中 R 代表烷基。
新型的式 (I) 化合物也是有用的香水和香料成分。
Process for the preparation of an unsaturated macrocyclic ketone
申请人:FIRMENICH SA
公开号:EP0065319A1
公开(公告)日:1982-11-24
his invention relates to a process for the preparation of an unsaturated macrocyclic ketone of formula
which comprises reacting in the presence of a basic reagent a dialdehyde of formula
with a diphosphonate of formula
wherein each of symbols R represents an alkyl radical.
本发明涉及一种制备式不饱和大环酮的工艺,该工艺包括在碱性试剂存在下,使式二醛与式二膦酸盐反应,其中每个符号 R 代表一个烷基。
CORBEL, B.;MEDINGER, L.;HAELTERS, J. P.;STURTZ, G., SYNTHESIS, BRD, 1985, N 11, 1048-1051
作者:CORBEL, B.、MEDINGER, L.、HAELTERS, J. P.、STURTZ, G.