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Eight porphyrin compounds, meso-5, 10, 15, 20-Tetra [4-aminophenyl] porphine (TAPPH〓, 1), meso-5, 10, 15, 20-Tetra [4-(N-pyrrolidinyl) phenyl] porphine (TBPPH〓, 2), meso-5, 10, 15, 20-Tetra [4-(4'-ethylpiperazinyl) phenyl] porphine (TEPPH〓, 3), meso-5, 10, 15, 20-Tetra [4-(4'-butylpiperazinyl) phenyl] porphine (TUPPH〓, 4), meso-5, 10, 15, 20-Tetra [4-(4'-heptylpiperazinyl) phenyl] porphine (TEPPH〓, 5), 5- [4-(4'-ethylpiperazinyl) phenyl] -10, 15, 20-triphenylporphine (MEPPH〓, 6), 5- [4-(4'-buthylpiperazinyl) phenyl] -10, 15, 20-triphenylporphine (MUPPH〓, 7) and N, N'-di (meso-5, 10, 15, 20-tetraphenylporphinato) piperazine (DiPPH〓, 8) have been designed and synthesized. These porphyrins are never reported except TAPPH〓.

设计并合成了8种卟啉化合物，分别为meso-5，10，15，20-四（4-氨基苯基）卟啉（TAPPH〓，1），meso-5，10，15，20-四卟啉（TBPPH〓，2），meso-5，10，15，20-四[4-（4'-乙基哌嗪基）苯基]卟啉（TEPPH〓，3），meso-5，10，15，20-四[4-（4'-丁基哌嗪基）苯基]卟啉（TUPPH〓，4），meso-5，10，15，20-四[4-（4'-庚基哌嗪基）苯基]卟啉（THPPH〓，5），5，10，15-三苯基-20-[4-（4'-乙基哌嗪基）苯基]卟啉（MEPPH〓，6），5，10，15-三苯基-20-[4-（4'-丁基哌嗪基）苯基]卟啉（MUPPH〓，7）和N，N'-二（meso-5，10，15，20-四苯基卟啉基）哌嗪（DiPPH〓，8）。

Constantine Pogonatus was present at the sixth, the Empress Irene and her son Constantine Porphyrogenitus only sent their representative to the seventh, whereas Emperor Basil, the Macedonian, assisted at the eighth, sometimes in person, sometimes through his deputies.

君士坦丁pogonatus出席了第六届，皇后艾琳和她的儿子君士坦丁porphyrogenitus不仅派出自己的代表，第七，而皇帝罗勒，马其顿，协助在第八，有时在人，有时是透过他的副手。

Propargyl alcohol was protected by dihydrophran with the catalysis of PPTS ,and then reacted with Ethyl Mag bromide to prepare its corresponding Grignard reagent.

炔丙醇在 PPTS 催化下由二氢吡喃保护，与溴乙烷格氏试剂反应生成相应的格氏试剂，然后与氯甲酸甲酯反应得到羟基丁炔酸甲酯四氢吡喃醚，在 PPTS 催化下脱保护后进行甲磺酰化，由溴化钠进行溴取代后合成了4-溴-2-丁炔酸甲酯，总收率达53%。

β-（3,5-Diterbutyl-4-hydroxyphenyl） propionyl chloride is synthesized with 3,5-methyl propionate as raw material via hydrolytic reaction and replacement reaction,and the replacement reaction conditions were explored.

摘 要：以β-（3，5-二叔丁基-4-羟基苯基）丙酸甲酯为原料，通过水解反应和酰氯合成反应合成了抗氧剂中间体β-（3，5-二叔丁基-4-羟基苯基）丙酰氯。

Succinic acid is an important C4 platform chemical. Utilization of non-food biomass instead of starch for succinic acid production by fermentation does not threaten grain provisionment and can reduce the cost of substrate.

丁二酸是一种重要的碳四平台化合物，利用非粮生物质替代淀粉制备丁二酸可保证粮食安全并降低原料成本。

An amount of psychrophilic bacteria was isolated from deep sea sediment collected from Prydz Bay, Antarctica. The strain AC167, which showed high cold-active chitinase activity, was screened from these bacteria. It was identified as a Pseudomonas species by 16S rDNA sequence comparison.

从南极普里兹湾深海底泥样品中分离得到一批嗜冷细菌，对这些嗜冷细菌进行了产几丁质酶菌株的筛选，对其中一株具有较高产酶活性的菌株AC167所分泌的几丁质酶进行了性质分析，并通过16S rDNA序列分析进行了菌株的分子鉴定。

Pyridazine was prepared by hydrogenolysis of 3,6-dichloro pyridazine obtained via chlorination of 3,6- pyridazine diol with phosphorus oxychloride.

以顺丁烯二酸酐与盐酸肼为原料经缩合成环反应生成顺丁烯二酰肼，再用三氯氧磷氯化合成3，6-二氯哒嗪，最后经催化加氢制得标题化合物哒嗪。

Results: Nine compounds were obtained from the ethyl acetate fraction of C. speciosa and were identified as methyl chlorogenate, 5-O-cafeoyl quinic acid butyl ester, quinic acid butyl ester, 5-hydroxymethyl-furan-2-carbaldehyde, triacontanoic acid,-epicatichin, 7,8-dihydroxy-coumanrin, protocatechuic acid ethyl ester, and protocatechuic acid.

结果：从皱皮木瓜的乙酸乙酯萃取部位分离鉴定了9种化合物，分别为绿原酸甲酯，5-O-咖啡酰基－奎宁酸丁酯，奎宁酸丁酯，5-羟甲基－2-糠醛，三十烷酸，-表儿茶素，7，8-二羟基香豆素，3，4-二羟基苯甲酸乙酯，原儿茶酸。

Under optimal conditions: reaction temperature 80 - 90 ℃, V: V 4 - 5 , linear flowrate of C4 raffinate 0.45 - 0.55 mrn/s

在此条件下，异丁烯的转化率可达88.8％。工业装置运转结果表明，异丁烯转化率大于75％。

Under optimal conditions: reaction temperature 80-90 ℃,V ∶V 4-5 ,linear flowrate of C4 raffinate 0.45-0.55 mm/s, conversion of isobutene can ...

试验结果表明，异丁烯催化逆流水合制叔丁醇的适宜操作条件为：反应温度80~90℃，水油体积比为4~5，抽余C4烃的流速为0.45~0.55mm/s。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新