This type of reaction has signicant advantages, the alkyne proceeds the coupling reaction with the halogen atom as the leaving group.
卤原子作为炔烃三键活化基团和定位基，炔烃三键发生亲电加成反应；
Conclusion The 3, 5-dinitrobenzoyl group was found to be a good leaving group at the anomeric position and O-glucopyranosides and oligosaccharides were stereoselectively synthesized in good yield.
结论3，5 二硝基苯甲酰氧基作为良好的糖端基离去基用于寡糖的合成，具有反应条件温和、收率较高、立体选择性好的特点。
One advantage of a conglomerate is that it allows the ambitious to graduate from one company to another without leaving the group.
大型联合企业的一个优势就是允许那些雄心勃勃的人不需要离开集团就能在不同的公司任职。
A change in elites can also be expensive, with the outgoing group snatching what it can before leaving and the incoming group working overtime to ensure that it too gets paid in full.
经营层的变更代价也是巨大的，离任的集团在离开之前会竭尽全力攫取一切利益，继任者也会致力于确保他们能获得最大的利益。
Some have found employment in the city’s financial and services sectors and prospered, leaving behind a small group with severe social and health problems.
其中某些人已在城市的金融和服务部门找到工作，并且已经兴旺发达，逐渐脱离社会和健康问题严重的小群体。
Today, I found out that I'm 8 weeks pregnant. Tomorrow, I'm supposed to be leaving for Paris with my college abstinence group for a year.
今天我发现我已经怀有8周的身孕——不过按照计划，我明天就得跟我们“禁欲小组”一起去巴黎一年。
The half of the group in ZhengZhou didn’t have a problem leaving the campus, but they had similar issues with their school’s administration.
（我们这个队伍中）留在郑州那里的老师想到学校外面去（看看）倒是没有问题，但大家所面对的学校的管理规定都差不多。
On its tour of Europe InterContinental Hotels Group has visited many countries, leaving behind a hotel or two in each as a lasting reminder of its visit.
洲际酒店集团已经来到了很多欧洲国家，并在每个国家建造一到两座洲际酒店作为访问的永久留念。
Ms. Kuo grew up in Yili, near the border with Kazakhstan, and worked for the Marriott hotel group in Shanghai for many years before leaving to start her business.
罗女士是在与哈萨克斯坦接壤的伊犁长大的，在开创自己的事业之前，曾在上海万豪酒店工作多年。
After that, however, additional tyrannosaur relatives were slow to surface, leaving important details about the group unknown.
然而从那以后，霸王龙其他的亲戚们也渐渐的浮出水面，为这未知物种提供了有巨大研究价值的资料。
On leaving the dryingmeans 8, the strips are sent on a descending path by means of rollers 9, 109and go from the last of these rollers to the first roller of the downstreampulling group A'.
离开干燥装置8以后，丝条经由辊9 109沿下降路径被输送，最后到达下游牵引组A’的第一个辊。
Talk to Tenenbaum, then fight off the Splicer group attack. Before leaving on the train, however, search the benches for an audio diary.
犹金-特内波姆交谈，然后杀掉这些经营组织进攻。离开前，在火车上，然而，搜索的长凳上抹了防晒霜来一段录音游记。
Banco DE Sabadell SA climbed 3 percent to 3.66 euros as Goldman Sachs Group Inc. removed the stock from its "conviction sell" list, leaving a "sell" recommendation on the stock.
萨瓦德尔银行(BancodeSabadell)股价上涨3%，至3.66欧元，高盛集团把该银行从强烈卖出名单中移除，把萨瓦德尔银行股票评级上调为买入。
Figures released on May 15th showed that GDP in the 16-country group shrank by 2.5% in the three months to March, leaving it 4.6% lower than in the first quarter of 2008.
5月15日发布的数据显示1月至3月间欧元区16个国家的GDP下降了2.5%，这使得今年第一季度的GDP比去年同期低4.6个百分点。
The choice is for those in empathy for others to starve themselves, leaving the group under the leadership of more ruthless types, or a plan.
做出的选择是让同情他人之人饿死，让该群体处于更加冷漠无情或平庸无奇之人的领导下。
But some parents feel nervous about leaving their kids with a teenager, since teens don't exactly have a reputation for being the most responsible group.
但有些父母则对将孩子交给青少年照看感到不安，因为青少年并不是最有责任感的人群。
Do you have a group tour leaving next Monday?
下星期一有没有旅行团前去呢？
After leaving school he joined the Death Eaters along with a large group of his fellow Slytherins.
毕业后他和其他斯莱特林学院的同伴一起加入了食死徒的行列。
Although there were many people joined in the group to put out the fire, most of the plants on the mountain were gone, leaving a black mountain in half an hour.
虽然有许多人参与灭火，但是半个小时内山上的大多数植物都消失了，只留下了一个黑黑的山头。
Today, I found out that I'm 8 weeks pregnant. Tomorrow, I'm supposed to be leaving for Paris with my college abstinence group for a year. FML.
今天我发现我已经怀有8周的身孕——不过按照计划，我明天就得跟我们“禁欲小组”一起去巴黎一年。
Before leaving, the group ate up plates of Wiener schnitzel, grilled meat and pork roast, ORF cited her as saying.
在离开之前，这一票人可是吃掉了好几盘的维也纳肉排、烤肉与烧烤猪肉，ORF广播公司引述她的话说。
Be built about the group and groom, the website is sold and serve, I am leaving a literary works in chat with everybody.
关于团队建立和培训，网站销售和服务，我会在下篇文章里和大家聊聊。
Something in the woods wipes out a group of hunters nearby, preventing the couple from leaving their tent.
树林里的东西擦去一群猎人在附近，防止夫妇离开他们的帐篷。
After leaving prison, Venco emerged as an influential member of the group called the Commonality.
出狱后，文科加入了一个被称为“共同体”的组织，而且以该组织的重要成员出现在世人面前。
After leaving prison, Venco emerged as an influential member of the group called the Commonality.
出狱后，文科加入了一个被称为“共同体”的组织，而且以该组织的重要成员出现在世人面前。
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