The reactions of potassium dibromodicyanoaurate with (3-bromopropyl)triphenylphosphonium and tetraphenylstibonium bromides result in new ionic gold complexes [Ph3P(CH2)2CH2Br][Au(CN)2Br2] and [Ph4Sb(DMSO-0)][Au(CN)2Br2]. A new ylide complex Ph3PC(H)(COOMe)Au(CN)2Cl was synthesized in...
reactions with neutral ligands to give the neutral complexes [Au(mes)L](L = Ph2PCH2PPh2, PPh3 or PPh2Me) or with QX to afford anionic complexes Q[Au(mes)X][X = Cl. Q = P(CH2Ph)Ph3; X = Br, Q = N(PPh3)2]. Th... M Contel,J Jiménez,PG Jones,... - 《Journal of ...
Synthesis and Structure of Gold Complexes [Ph3P(CH2)2CH2Br] [Au(CN)2Br2], [Ph4Sb (DMSO-O)] [Au(CN)2Br2], and Ph3PC(H)(COOMe)Au(CN)2Cl The reactions of potassium dibromodicyanoaurate with (3-bromopropyl)triphenylphosphonium and tetraphenylstibonium bromides result in new ionic gold ...
前者在反应的时候会形成环状过渡态,受氢n键的影响会比后者小,后者产率就无法得到保证了! googleyou 楼: Originally posted by 爱因斯坦2 at 2012-03-13 19:16:22: 前者在反应的时候会形成环状过渡态,受氢n键的影响会比后者小,后者产率就无法得到保证了! 再顶一下。 好奇:为什么还是有那么多人用后者去做呢...
Crystal Supramolecular Motifs: Columns of Embracing Ph 3 PMe + or Ph 3 PCl + Cations Controlling Formation of [Cu 3 X 8 2- (X = Cl, Br) Crystal Supramolecular Motifs: Columns of Embracing Ph 3 PMe + or Ph 3 PCl + Cations Controlling Formation of [Cu 3 X 8 2- (X = Cl, Br...
例子:Fe, Au, Co, Br, C, O, N, F。 你可以用小括号()或括号[ ]。 找到摩尔质量 阅读我们关于如何计算摩尔质量的文章。 例子 CH3CO2CH(CH3)C2H5 Ba2(XeO6) CH2BrCH2COH ZrOCl2(8H2O) Fe4CCr Fe6CCr Fe6CCrNi C2H4(OH)Br Fe3CNd CO2OH{-} C2(OH4) (Hg2)2{+} 近期计算过的摩尔质量...
最好用NaH作碱，THF或者乙二醇二甲醚作溶剂，反应条件不是太苛刻。
3.(2022 ·湖南卷,节选)物质J是一种具有生物活性的化合物。该化合物的合成路线如下:OCH3+[Ph3PCH2CH2COOH]Br_( C 12H 14O 4)_
N-OAc . 或一 OH 一 o NH, NH o 9-2 Na(2.5).NH() H(制1当 ) 【 EtO.EtOH PhP RhC 9-3 BH 1) Mgrthe 2)H HO THF 1)CO.HO OH T 2)NaOAc HO 94 0 1) PhyP. EtO.热 Br 2) 。 HC -S-CH2 Na' 9-5 PhCHBr + PhSeNa MeOH LDA EB () . PnSe Ph SePh HO THF CH Ph...
亦是较弱的π－接受体，存在着相当稳定的羰基化合物，例如Pd（CO）（PPh3）3和Pt（CO）2（PPh3）2...