合成

Since C6 and higher alcohols are not obtainable by a direct biochemical route, it is proposed to synthesize these using known chemical reactions, wherein the raw material for synthesis is biogas and lower C2-C5 alcohols obtained by the inventive method wherein the amino acids leucine, isoleucine, and valine, or a mixture thereof, optionally obtained from yeast autolysate, is used as a biocatalyst at the stage of fermentation.

因为C6和更高级醇类不能通过直接生物化学途径制得，所以提出用已知的化学反应合成这些化合物，其中合成的原料为本发明方法制得的生物气和C2-C5醇类，其中任选从酵母自溶作用得到的亮氨酸、异亮氨酸和缬氨酸或其混合物的氨基酸在发酵阶段用作生物催化剂。

Their bacteriostatic activities were tested and the results showed that their bacteriostatic activities against fungus were better than those against bacteria.

初步探讨了所合成化合物的抑菌活性，结果显示所合成的化合物对真菌的抑制活性优于对细菌的抑制活性。

In summary, the reactions mentioned above have advantages of mild reaction conditions, environmental benignity, easy to handle and simple manipulation, and high yields. In this study, we extended the range of application of ionic liquids , and in organic synthesis, developed some simple efficient synthetic methods.

总之，上述各反应在离子液体中均具有条件温和、产率高、环境友好和操作简单等优点，该研究工作扩展了离子液体在有机合成中的应用范围，也同时发展了一些简单高效的合成方法。

Benzaldehyde is an important intermediate in medicine, pesticide, dye and spicery.

苯甲醛是重要的有机合成中间体，在医药、农药、染料、香料等的合成中具有广泛的用途。

K-ATPase is the last passageway of gastric acid secretion.On the basis of synthesis of the H+K-ATPase inhibitor pantoprazole,twelve benzimidazole derivatives were synthesized for the first time,and their structures were proved by IR,1H-NMR and elementary analysis.

摘 要 H+/K+-ATP酶是胃酸分泌的最后环节，在合成H+/K+-ATP酶抑制剂泮托拉唑的基础上，设计合成了12个未见文献报道的苯并咪唑类衍生物，经红外光谱、核磁共振氢谱和元素分析确定了结构。

Further investigation in this area leads to discovery of a new synthesis of benzofuran.

本部分工作不仅发展出了一条合成苯并二氢呋喃的新方法，而且展示了苄基化反应在合成中的应用潜力。

The method for synthesizing 2- benzofuran derivatives has easily available raw material, simple process, easy realization and high yield.

合成2位三氟甲基取代的苯并呋喃衍生物的方法，原料容易得到，合成工艺简单，易行，产率较高。

The trifluoromethyl modified benzofuran compounds synthesized by the invention contain a plurality of functional groups in benzene ring portion, and can be used as precursor for subsequent synthesis of benzofuran medicine intermediate containing trifluoromethyl.

本发明合成的三氟甲基修饰的苯并呋喃类化合物，苯环部分包括多种官能团，可以作为后续合成含三氟甲基苯并呋喃药物中间体的前体。

IV. The total synthesis of dehydrodiconiferyl alcohol and its dihydro-derivative The benzofuran skeleton was constructed by chemically oxidative couplingstarting from vanillin, then selective reduction with LiAI〓/〓 andhydrogenation in the presence of Pd-C followed reduction with LiAl〓respectively, to give dehydrodiconideryl alcohol and its dihydro-derivative, usefulin treating and preventing digestive system disorders, esp.

四、Dehydrodiconiferyl alcohol及其二氢衍生物的全合成以香草醛为起始原料，用化学氧化法一步建立氢化苯骈呋喃骨架，LiAlH〓／〓选择性还原以及催化加氢还原接着〓还原，分别合成了对预防和治疗消化系统疾病尤其是胃溃疡有显著效果的Dehydrodiconiferylalcohol及其二氢衍生物。

It is prepared from pentachluorobenzonitrile by using KF as fluoride to substitute chlorine in the presence of benzonitrile under high temperature. But owing to the low solubility of KF and rigor synthesis condition, and the parallel auxiliary reactions, the speed of reaction as well as the yield is very low.

五氟苯甲腈的合成开发以五氯苯甲腈为原料在较高的温度下用氟化钾做氟化剂，通过取代苯环上氯原子而得到的，由于氟化钾在溶剂中溶解度低，合成条件要求苛刻，反应速度较慢，同时存在有平行竞争副反应，因而反应收率较低，国内尚无厂家生产。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失