24小时热门版块排行榜    

查看: 684  |  回复: 3
本帖产生 1 个 翻译EPI ,点击这里进行查看

qyl541886

铁虫 (小有名气)


[交流] 有机合成英语帮忙翻译其中两句

This methodology is mild and efficient and is compatible with several functional groups other than the alcohol.Substrates with methoxy-substituted aromatic rings are subjected to the TEMPO/TCCA oxidation, but surprisingly the reaction affords only the corresponding aldehydes (Table 1, entries 7 and 8). Unexpectedly, this
procedure failed in the oxidations of unsaturated alcoholsas well. Contrary to what was observed carrying out the oxidation in the absence of water, the treatment of
unsaturated alcohols with 2 equiv of trichloroisocyanuricacid and catalytic TEMPO, under the present conditions,proceeded to the corresponding carboxylic acid and to the contemporary addition to the double bond
. The oxidation of trans-cinnamic alcohol furnished in fact (2RS,3SR)-2,3-dichloropropionic acid. The amount of chlorinationreaction is diminished operating with equimolar amounts
of TCCA, but in this case the rate of the reaction is very
reduced. To determine if this behavior was general for
the double bond, we carried out the reaction with (E)-
1,1-diethoxy-3-phenyl-2-propene under the same condi-
tions. After complete conversion of the alkene, (2RS,3SR)-
1,1-diethoxy-2,3-dichloro-3-phenylpropane was obtained
quantitatively.

» 猜你喜欢

» 抢金币啦!回帖就可以得到:

查看全部散金贴

已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖

qyl541886

铁虫 (小有名气)


carrying out the oxidation in the absence of water 是observed 还是不是,?
present conditions是“现在的条件”么?
2楼2011-02-11 22:06:51
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖
qyl541886(金币+1): 2011-02-14 22:02:53
与在水存在下的该类氧化反应不同(对比在水存在下的该类氧化反应),不饱和醇在2当量的三氯异氰尿酸和催化量的TMEMPO存在下,在已有的(已存在的)条件下发生的氧化反应,产生相应的羧酸以及双键上的加成产物。
3楼2011-02-12 09:00:47
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖
qyl541886(金币+1, 翻译EPI+1): 2011-02-14 22:02:45
引用回帖:
Originally posted by qyl541886 at 2011-02-11 22:06:51:
carrying out the oxidation in the absence of water 是observed 还是不是,?
present conditions是“现在的条件”么?


present conditions是指文献中的现有的条件
4楼2011-02-12 09:02:57
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖
相关版块跳转 我要订阅楼主 qyl541886 的主题更新
普通表情 高级回复 (可上传附件)
最具人气热帖推荐 [查看全部] 作者 回/看 最后发表
[考研] 欢迎采矿、地质、岩土、计算机、人工智能等专业的同学报考 +4 pin8023 2026-02-28 6/300 2026-03-02 06:35 by 汪!?!
[基金申请] 本子写完了,给DS兄弟看了,得了92分 +3 Doma 2026-03-01 7/350 2026-03-02 00:00 by jnzsy
[考研] 材料化工调剂 +12 今夏不夏 2026-03-01 13/650 2026-03-01 23:32 by L135790
[考研] 材料学硕318求调剂 +5 February_Feb 2026-03-01 5/250 2026-03-01 23:31 by L135790
[考研] 江苏省农科院招调剂1名 +3 Qwertyuop 2026-03-01 3/150 2026-03-01 23:18 by aaadim
[考研] 0856调剂 +5 刘梦微 2026-02-28 5/250 2026-03-01 22:30 by wang_dand
[硕博家园] 博士自荐 +7 科研狗111 2026-02-26 11/550 2026-03-01 22:24 by 哲平L
[考研] 化工299分求调剂 一志愿985落榜 +5 嘻嘻(*^ω^*) 2026-03-01 5/250 2026-03-01 19:47 by 无际的草原
[考研] 298求调剂 +6 axyz3 2026-02-28 6/300 2026-03-01 19:00 by 18137688336
[考研] 一志愿中南大学理学化学 +4 15779376950 2026-03-01 5/250 2026-03-01 19:00 by Fff-1
[考研] 328求调剂 +3 aaadim 2026-03-01 5/250 2026-03-01 17:29 by njzyff
[考研] 321求调剂一志愿东北林业大学材料与化工英二数二 +4 虫虫虫虫虫7 2026-03-01 7/350 2026-03-01 16:52 by caszguilin
[考研] 0856材料求调剂 +4 麻辣鱿鱼 2026-02-28 4/200 2026-03-01 16:51 by caszguilin
[基金申请] 刚录用,没有期刊号,但是在线可看的论文可以放为代表作吗 10+3 arang1 2026-03-01 3/150 2026-03-01 16:43 by babero
[考研] 295复试调剂 +3 简木ChuFront 2026-03-01 3/150 2026-03-01 14:27 by zzxw520th
[考研] 材料284求调剂,一志愿郑州大学英一数二专硕 +10 想上岸的土拨鼠 2026-02-28 10/500 2026-03-01 14:12 by yc258
[考研] 317一志愿华南理工电气工程求调剂 +6 Soliloquy_Q 2026-02-28 11/550 2026-03-01 11:14 by 歌liekkas
[硕博家园] 2025届双非化工硕士毕业,申博 +3 更多的是 2026-02-27 4/200 2026-03-01 10:04 by ztg729
[考研] 材料调剂 +4 爱擦汗的可乐冰 2026-02-28 4/200 2026-03-01 00:38 by 猫猫球alter
[硕博家园] 【博士招生】太原理工大学2026化工博士 +4 N1ce_try 2026-02-24 8/400 2026-02-26 08:40 by N1ce_try
信息提示
请填处理意见