查询词典 token ring

At the cell membrane it is reduced and the thiazolium ring closes within the cell to provide free thiamin.

在细胞膜上，它会降低并且噻唑基环形接近细胞以提供自由的硫胺。

Efficacy: TTFD is an open thiazolium ring disulfide derivative of thiamin.

功效： TTFD 是一种开放式噻唑基环形二硫化衍生物。

A series of angular thiazonaphthalimides was designed and synthesized by fusing a thiazole ring to the naphthalimide skeleton.

通过在萘酰亚胺母体上并入噻唑杂环，设计并合成了一系列新型的具有角型结构的萘酰亚胺类化合物。

A new, stereo-controlled method of aldehyde group synthesis is summarized, which is used to synthesize aldehyde group by introducing thiazole ring and has a wide appreciation for bio-activated compounds synthesis.

摘要本文综述了一种新型可立体控制的醛基合成方法––利用唑环引入醛基的方法以及它在具有生物活性物质合成中的应用。

Applications of thionyl chloride in pharmaceutical and pesticide sectors and application developments in organic synthesis reaction and ring formation reaction are introduced.

氯化亚砜又名亚硫酰二氯、氯氧化硫，是一种重要的无机精细化工产品，在医药、农药、染料、化工等行业及有机合成反应中具有广泛的应用。

And also, we unexpectedly discovered a ring-opening reaction of aziridines or epoxides with iodine promoted by thiophenol.

我们认为，在反应中，DMSO自身作为一种Lewis Base，能有效活化亲核试剂，从而促进反应的顺利进行。

We also tested the ligands in the asymmetric epoxide ring opening reaction with thiophenol, and as high as 67%ee was gained while using L7. 3. Studies on the reaction of α-hydroxyketone with nitroalkene.

此外我们还初步尝试了将配体应用于催化苯硫酚对环氧的不对称开环反应中，当使用甲基取代H8-BINOL衍生的配体L7时最高取得了67%ee的结果。

CH3OH could attack the phosphor atom in 1,3,2-dioxaphopholane of compiound (1) to give O-methyl O-hydroxyethyl-O-phthalimidoethyl thiophosphate in 85% yield; in the presence of potassium hydroxide aryl selenol could attack the carbon atom in 1,3,2-diox-aphopholane of the cyclic phospholipid conjugate of N^1-(2-furanidyl)-N^3--5-fluorouracil to give the corresponding product of ring-opening in high yields.

在室温下，以异丙醇作溶剂，苯硒酚与化合物2不反应。在氢氧化钾存在下，以异丙醇／水作溶剂（体积比20：1，在室温下，硒酚可以有效地进攻中化合物2中1，3，2-二氧磷杂环戊烷中的碳原子生成相应的开环产物。按照这一反应条件，顺利实现了硒酚对N^1-（2-呋喃基）-N^3-羟烷基-5-氟脲嘧啶硫代环甘油磷脂缀合物的亲核开环，生成甘油骨架的端碳原子上带有芳硒基新颖的磷脂核苷缀合物。

O-(1-Arylseleno-3-azido)isopropyl-O-2-(N3-tegafur)alkyl thiophosphate (3a～3f) were obtained via nu-cleophilic ring-opening of sodium azide to 2a～2f in dry DMF at room temperature, and their antitumor activities were tested.

以无水N，N-二甲基甲酰胺作溶剂，室温下，叠氮化钠中对2a～2f进行亲核开环，得到O-(1-芳硒基-3-叠氮基)异丙基-O-2-(N3-替加氟)乙基硫代磷酯。

In Britain, people wear the wedding ring on the third finger of the left hand.

在英国，人们把结婚戒指戴在左手的中指上。

Add it into your food such as to yogurt, cottage cheese and such.

你可以把它加入到像酸奶、奶酪一类的食物中一起进食。

The man was rescued about three hours later when his partner arrived home, SAPA said.

SAPA说，这为男子在三个小时后妻子回家后被解救