8.(江苏省化学竞赛选拔赛试题)酯交换反应是合成酯的重要方法之一。化合物A是合成四环素的一个重要中间体。 它的合成路线如下:CO CH NaOH(n-C4H9)4N OH BC CO2CH3CO2CH3OCH,CO2CH3O OO CO3CH31)H/H2O2)CH3OH,H CH3CO2H OCH_3CO_2CH_3 OCH3 CO2CH3D A根据上述合成路线,请回答:(1)分别写出化合物 ...
Novel Catalytic Hydrodechlorination of CCl2F2 over Supported PdCl2-(n-C4H9)4N+Cl- Molten salts Liquid film catalystpalladium chloridetetrabutylammonium chloridemolten saltsCFC- hydrodechlorinationHFCHCFC摘要:Yu CaiCAOVIPChinese Chemical Letters
Part 1. Crystal structures of (n-C4H9)4N+F·3(NH2)2CS, (n-C4H9)3(CH3) N+X·2(NH2)2CS (X = Cl, Br), and (n-C3H7)4N+I·(NH2)2CS Thiourea-halide lattices. Part 1. Crystal structures of (n-C4H9)4N+F·3(NH2)2CS, (n-C4H9)3(CH3) N+X·2(NH2)2CS (X = Cl, Br)...
The crystal and molecular structures of [(n-C 4 H 9 ) 4 N][W(NC 6 H 4 CH 3 )Cl 5 ] and [(n-C 4 H 9 ) 4 N][C 7 H 7 NH 3 ][W 2 OCl 8 (NC 6 H 4 CH 3 ) 2 ]Tungsten-organoimido chemistry. The crystal and molecular structures of [(n-C 4 H 9 ) 4 N][...
Coordination Chemistry of Polyoxomolybdates: The Structure of a Dodecanuclear Molybdate Cage Incorporating Hydrogen Squarate Ligands, [(C4H9)4N]4 [Mo12O36(... The coordination compounds of silver(I) halides or nitrate with tetramethylthiuram monosulfide (Me4TMS) have been prepared. Their IR and...
科研新手，是在找不到[(n-c4h9)4n]2[mo6o19]的cas号，找了几个数据库也没有找到相关的理化性质，...
[(n-C4H9)4N]5Na3[(1,5-COD)Ir·P2W15Nb3O62], 1, [(n-C4H9)4N]5Na3[(1,5-COD)Rh·P2W15Nb3O62], and [(n-C4H9)4N]4.5Na2.5[(C6H6)Ru·P2W15Nb3O62] have been shown to catalyze the oxygenation of cyclohexene with molecular oxygen. The polyoxoanion-supported iridium(I) complex, ...
4N]4[α-Mo8O26] 吗？具体过程及实验现象是什么？为什么我按照文献的方法总是不对呢？谢谢！
例如,很出名的麻醉药东莨菪碱,是由植物曼陀丹中分离出来的一种生物碱,早在1892年就分离得到,并且确定其分子式为C17H21O4N.但它的结构式直到1951年才肯定下来.按照现在水平来看,这个结构并不太复杂.近年来,应用现代物理方法如X衍射、各种光谱法、核磁共振谱和质谱等,能够准确、迅速地确定有机化合物的结构,大大...
A tetranuclear ferric Keggin sandwich-type heteropolyanion has been synthesized by the reaction of the lacunary species Δ-Na8H[PW9O34] with FeCl2 followed by O2 oxidation in nonaqueous media. The structure of [(n-C4H9)4N]6[FeIII4(H2O)2(PW9O34)2]·4CH3CN·2CH2Cl2·2H2O (TBA-1) wa...