游离羧酸的β-和γ-亚甲基碳氢(CH)键的催化剂控制的位点选择性活化是一个长期存在的挑战。在这里,我们表明,通过一对由不同螯合环尺寸的喹啉-吡啶酮配体组装的钯催化剂,可以与多种二羧酸进行高度位点选择性的单内酯化反应,产生结构多样且合成上有用的γ-和δ-内酯通过位点选择性β-或γ-亚甲基CH活化。剩余的羧基可作为进一步合成应用的多功能关键,如从丰富的二羧酸中全合成两种天然产物 myrotheciumone A 和pedicellosine 所证明的那样。
A structured organic film with an added functionality comprising a plurality of segments and a plurality of linkers arranged as a covalent organic framework, wherein the structured organic film may be a multi-segment thick structured organic film.
ELECTRONIC DEVICES COMPRISING STRUCTURED ORGANIC FILMS
申请人:HEUFT Matthew A.
公开号:US20100224867A1
公开(公告)日:2010-09-09
An electronic device comprising a structured organic film with an added functionality comprising a plurality of segments and a plurality of linkers arranged as a covalent organic framework, wherein the structured organic film may be a multi-segment thick structured organic film.
STRUCTURED ORGANIC FILMS HAVING AN ADDED FUNCTIONALITY
申请人:COTE Adrien Pierre
公开号:US20100228025A1
公开(公告)日:2010-09-09
A structured organic film with an added functionality comprising a plurality of segments and a plurality of linkers arranged as a covalent organic framework, wherein the structured organic film may be a multi-segment thick structured organic film.
A polyester resin is described which includes bio-based, cyclohexadiene Diels-Alder reaction adduct monomer for use in toner for imaging devices.
描述了一种聚酯树脂,其中包括用于成像设备中色调剂的生物基,环己二烯-迪尔斯-阿尔德反应加合物单体。
Carrier Resins with Improved Relative Humidity Sensitivity
申请人:Xerox Corporation
公开号:US20150183899A1
公开(公告)日:2015-07-02
The disclosure describes dry acrylate resin particles, optionally, with a C/O of at least about 4, comprising a heterocycle comprising sulfur, exhibiting high charge and improved RH sensitivity.