开发了使用4-碘苯氧基乙酸(1)和2KHSO5 x KHSO4 x K2SO4(Oxone)对对二烷氧基苯进行催化的高价碘氧化。在作为辅助氧化剂的Oxone存在下,对二烷氧基苯(2)与催化量为1的反应在2,2,2-三氟乙醇-水(1:2)中反应,生成了相应的对苯醌(3)无需纯化即可产生。该程序用于合成德国小Bl Blattella germanica的性信息素blattellaquinone(9)。
Process for separating olefins from saturated hydrocarbons
申请人:——
公开号:US20030135081A1
公开(公告)日:2003-07-17
This invention relates to a process for separating and isolating olefins from saturated hydrocarbons, and in particular, to a process for separating and isolating olefins from saturated hydrocarbons in a Fisher-Tropsch stream.
Photopolymerizable epoxide and oxetane compositions
申请人:Crivello V. James
公开号:US20060041032A1
公开(公告)日:2006-02-23
Novel radiation-curable or photopolymerizable compositions and methods of use thereof as cured coatings are disclosed. The invention pertains to radiation-curable compositions which contain, in addition to typical components of radiation-curable epoxide and oxetane compositions, a free radical photoinitiator.
MÉTHODE DE FABRICATION ADDITIVE POUR PRODUIRE UN ARTICLE EN ÉLASTOMÈRE SILICONE
申请人:Elkem Silicones France SAS
公开号:EP3976347A1
公开(公告)日:2022-04-06
Methods of identifying orthodontic adhesives
申请人:Brennan Joan V.
公开号:US20070148609A1
公开(公告)日:2007-06-28
The present invention provides a method of identifying an orthodontic adhesive on a tooth structure, the method including selectively staining a surface including the orthodontic adhesive or the tooth structure. Methods of bonding and debonding an orthodontic appliance to and from a tooth structure are also provided.