compounds involves the introduction of the required Me3SiCC and trichlorosilyl groups at the termini of the alkyl chain via derivatization of easily accessible and inexpensive materials/reagents. Trichloro[ω-(trimethylsilyl)alkynyl]silanes are useful for the linkage to a hydroxylated silicon surface for multilayer formation and for further chemical modification of the tail group of the monolayer.
标题化合物的制备涉及通过容易获得且廉价的材料/试剂的衍生化,在烷基链的末端引入所需的Me 3 SiC C和三氯甲硅烷基。三氯[ω-(三甲基甲硅烷基)炔基]硅烷可用于连接至羟基化的硅表面,以形成多层结构,并进一步化学修饰单层的尾基。
Total Synthesis of the Triglycosyl Phenolic Glycolipid PGL-tb1 from<i>Mycobacterium tuberculosis</i>
作者:Santiago Barroso、Riccardo Castelli、Marc P. Baggelaar、Danny Geerdink、Bjorn ter Horst、Eva Casas-Arce、Herman S. Overkleeft、Gijsbert A. van der Marel、Jeroen D. C. Codée、Adriaan J. Minnaard
DOI:10.1002/anie.201206221
日期:2012.11.19
Complex: The synthesis of the glycolipid PGL‐tb1 present in the outer membrane of hypervirulent strains of Mycobacterium tuberculosis has been accomplished for the first time by using a highly convergent strategy featuring a Sonogashira coupling to unite a phenolic trisaccharide with the phthiocerol. Efficient asymmetric Cu‐catalyzed 1,4‐additions to unsaturated thioesters and cyclic enones have been