| 查看: 571 | 回复: 3 | ||
[求助]
求大神帮忙翻译两段英文文献，万分感谢
|
|
The McMurry reductive coupling reaction is an organic reaction in which two ketone or aldehyde groups are coupled to an alkene in the presence of titanium(III) chloride and a reducing agent [61, 62]. As an example, intramolecular reductive McMurry coupling reactions of bis(formylphenoxy)-substituted calix[4]arenediols mediated by titanium(IV) chloride and activated zinc followed by cyclocondensation of the diols with tetra- and penta(ethylene glycol) bistosylates provided stilbene- and crown ether-bridged calix[4]arenes. For the synthesis of stilbenes, some authors use the Suzuki–Miyaura coupling that is the reaction of an aryl- or vinylboronic acid with an aryl or vinyl halide catalyzed by a palladium(0) complex (Figure 1.1) [63]. A combination of alkali metal salts, particularly potassium chloride, with low-valent titanium reagents generated from titanium chlorides with lithium or magnesium in either THFor DME areeffe ctivereagents for stereoselective McMurry coupling reactions of aldehydes and ketones to substituted alkenes (Figure 1.11). |
回复此楼» 猜你喜欢
081700，311，求调剂
已经有15人回复
-
一志愿北京化工085600 310分求调剂
已经有18人回复
-
085600材料与化工301分求调剂院校
已经有4人回复
-
材料与化工371求调剂
已经有14人回复
-
336材料与化工085600求调剂
已经有7人回复
-
材料334求调剂
已经有18人回复
-
331求调剂
已经有8人回复
-
332求调剂
已经有17人回复
-
一志愿南京航空航天大学 材料与化工329分求调剂
已经有4人回复
-
材料专硕322
已经有7人回复
| 祝福 |
2楼2016-06-13 16:54:31
| 祝福 |
3楼2016-06-15 13:59:10
|
祝福 发自小木虫IOS客户端 |
4楼2016-06-15 16:18:20
