高碘的

The reaction of polyfluoroalkyl iodides with 4-pentenoic acids initiated by sodium dithionite was realized to give polyfluoroalkyl substituted lactones.

我们研究了多氟烷基碘代烷与4-戊烯酸类化合物等在连二亚硫酸钠引发下的反应，得到了氟烷基取代的内酯化合物，我们将该反应称为氟烷基化内酯化反应；并建立了一个利用该反应合成含氟内酯的新方法，首次利用氟烷基化内酯化反应进行高立体选择性双环含氟内酯及手性含氟内酯等的合成，已合成含氟内酯新化合物50余种。

At present, although the iodine as a catalyst, oleum as the solvent liquid phase partial oxidation of methane research is not adequate, but the reaction has higher yield and the conversion rate of the industrialized good prospects to enlarge production.

目前，虽然以碘为催化剂、发烟硫酸为溶剂的甲烷液相部分氧化反应的研究尚不充分，但是该反应具有较高的转化率和收率，工业化放大生产的前景良好。

In this paper, the undercutting rate of silicon tips are improved by adding supersaturated iodine and KI in KOH solution.

通过在KOH溶液中添加过饱和的碘单质(I2)，显著减小了快腐蚀面的削角速率，在较小的掩膜下腐蚀出高的硅尖。

In part three oxidation of bromide with an ion-supportedbenzene in ionic liquids afforded a clean path for bromination of alkenes. It was found that this reaction is highly stereoselective.

在离子液体中使用离子支持的二乙酸碘苯氧化溴离子，提供了一条清洁的烯烃加溴途径，发现反应具有高的立体选择性。4。

The results show that in the presence of NaHCO3 as base and DMF-H2O (volume ratio 2∶1) as solvent, the complex could catalyze not only iodobenzene but also non-activated bromobenzene quantitatively at 90 ℃ without the inert gas protection, and furthermore the catalyst could be recovered and reused more than eight times.

结果表明，在没有惰性气体保护的情况下，以NaHCO3作碱，以DMF水溶液(体积比为2∶1)作溶剂，在90 ℃时，该配合物不仅对活性较高的碘代苯能够定量地催化，对未活化的溴代苯也能定量地催化，并且催化剂能够回收再利用8次以上。

Studing on samarium diiodide promoted asymmetric intramolecular reducing coupling reactions, we have made the resolution of the racemic biaryl dials by using enantiomeric N-tert-butanesulfinamine as the resolving reagent successfully and thus obtained a series of axially chiral biaryl dials with high enantiomeric excess.

中文摘要在二碘化钐促进的分子内不对称还原偶联反应中，我们不仅对联芳基二醛底物的合成路线进行了优化，还发现N-叔丁基亚磺酰胺辅基可以作为手性试剂，成功地对联芳基骨架二醛化合物进行拆分，得到高对映体过量的轴手性二醛类化合物。

Patients with free thyroxine and suppressed serum thyrotropin could have Graves' disease, painless thyroiditis, painful subacute thyroiditis, toxic multinodular goiter, solitary hyperfunctioning nodule, or iodine-induced hyperthyroidism.

同时具有正常的甲状腺素水平和降低的促甲状腺素水平的病人可能患有Graves'病，无痛性甲状腺炎，痛性亚急性甲状腺炎，多结节性甲状腺肿伴甲亢，单发性高功能结节或者碘甲亢。

The complex was characterized by FT-IR, XRD, BET, SEM and EDS. The resin-supported catalyst exhibited high catalytic activity in the Heck reaction and could be reused up to 17 times in NMP or 16 times in DMF at 90 ℃ in the Heck reaction of iodobenzene with acrylic acid.

该负载型催化剂对Heck反应表现出高的催化活性和很好的重复使用性能，于90℃的碘苯与丙烯酸的Heck反应中，在NMP溶剂中能重复使用17次，在DMF溶剂中能重复使用16次。

The results showed that under 200 W power, in the present of various alkalis, e.g. Na2CO3, NaF, KF, NaHCO3, and DMF-H2O (V∶V=5∶3) used as solvent, PVC-TETA-Pd could catalyze sodium tetraphenylborate to react quantificationally with iodobenzene in 20 min without inert gas protection, and all the phenyl g...

实验发现：在微波功率为200W时，在Na2CO3，NaF，KF，NaHCO3等多种碱的存在下，以DMF的水溶液(V∶V=5∶3)为溶剂，在无惰性气体保护下，PVC-TETA-Pd催化四苯硼钠与碘代苯在20min内即可定量反应，与常规加热方式相比，节省了大量时间；同时也证明了四苯硼钠的四个苯基均可参与Suzuki偶联反应；该催化剂回收再利用3次后，仍具有较高的催化活性。

So the study on the new technology of producing polyiodide is becoming more and more common in the disinfecting field.

因此，研发新的高聚碘合成工艺就成为当前杀菌消毒领域的热门课题。

No clear conclusions can be made about the predictie alidity of specific measures, they found, except for criteria for the underuse of drugs for cardioascular disease.

除了心血管病不合理用药标准外，对于特定评价方法的预测效度没有明确的结论。

The third and last is that almost all of them, being infinite in number, have been impostures, and by idle and crafty brains merely contrived and feigned after the event past.

第三、即最后一点是：几乎所有这些不胜枚举的预言都是欺人之谈，都是在事件过后由无聊而狡猾的脑筋推测与凭空捏造的。