| 查看: 1191 | 回复: 1 | ||
| 本帖产生 1 个 翻译EPI ，点击这里进行查看 | ||
yidiniaoren铜虫 (正式写手)
|
[求助]
翻译求助，英译汉，关于三氯蔗糖合成方面的
|
|
| DBU (0.1ml) was added to a stirred soln. of 4,1'6'-trichloro-4,1',6'-trideoxy galaactosucrose penta-acetate (TOPSA) (10g) in methanol (100mL) at ambient temp. (25-30C) and adjusted the pH of soln. to 8 to 10 give clear soln. The reaction mixt. was stirred at ambient temp. (25-30C) for 2 h. The reaction mixt. is then neutralized with sulfonic acid cation resin and adjusted pH 6.8 to 7.0 at ambient temp. The resin is filtered off. Solvent is evapd. from the filtrate to give residue which is recrystd. from Et acetate (20mL). The product is dried at 45 C for 6 h to give Sucralose (5.2g). |
回复此楼» 猜你喜欢
论文的挂名怎么评判贡献？基金申请中，排名第一的挂名文章
已经有3人回复
-
越来越担心硕士毕业后没有竞争力了
已经有13人回复
-
申博自荐 2篇一区TOP+1篇EI+2公开发明专利 2027博士申请
已经有3人回复
-
闲聊
已经有6人回复
-
申博求助
已经有4人回复
zou-yanhua
金虫 (小有名气)
- 翻译EPI: 24
- 应助: 0 (幼儿园)
- 金币: 782.6
- 散金: 25
- 红花: 1
- 帖子: 167
- 在线: 114.8小时
- 虫号: 1030634
- 注册: 2010-05-28
- 专业: 配位化学
2楼2011-08-22 12:16:32