- 更多网络例句与胡椒醛相关的网络例句 [注：此内容来源于网络，仅供参考]
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A series of the ligands including 6-bromo-piperonal dimethyl acetal, bis (9-fluorenyl) silane, and the dimer of indene have been synthesized and characterized.
合成了溴代胡椒醛二甲基缩醛基配体，合成了手性配体甲基苯基双芴基硅烷，合成了茚的二聚体，对其进行表征，培养单晶并测定了晶体结构。
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The other for: safrole, sassafras oil, safrole different 82 yuan / kg; 1 - phenyl -2 - propanone 2,500 yuan / kg; 3.4 dioxane methylene diphenyl -2 - propanone 7200 yuan / ton; Piperonal 1,000 yuan / kg; N-acetyl-o-amino benzoic acid 11500 yuan / ton; anthranilic acid 15,500 yuan / ton; Phenylacetate 15,000 yuan / ton; acetic anhydride 9900 yuan / ton; trichloromethane 4100 yuan / ton ; anhydrous ether 8500 yuan / ton; piperidine 58000 yuan / ton; methyl ethyl ketone 10,000 won / ton; sulfate 1,200 yuan / ton; hydrochloride 400 yuan / ton; ethanol 4200 yuan / ton.
另供：黄樟素、黄樟油、异黄樟素82元/公斤；1-苯基-2-丙酮2500元/公斤；3.4 亚甲基二氧苯基-2-丙酮7200元/吨；胡椒醛1000元/公斤；N-乙酰邻氨基苯酸11500元/吨；邻氨基苯甲酸15500元/吨；苯乙酸15000元/吨；醋酸酐9900元/吨；三氯甲烷4100元/吨；无水乙醚8500元/吨；哌啶58000元/吨；甲基乙基酮10000元/吨；硫酸1200元/吨；盐酸400元/吨；无水乙醇4200元/吨。
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In the second part of this dissertation, we studied the stereoselectivity of the Pictet-Spengler reaction of D-tryptophan methyl ester with piperonal and the synthesis of tadalafil.
在本论文的第二部分，我们研究了D-色氨酸甲酯和胡椒醛发生Pictet-Spengler反应的立体选择性和他达那非的合成。
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The other for: safrole, sassafras oil, safrole different 82 yuan / kg; 1 - phenyl -2 - propanone 2,500 yuan / kg; 3.4 dioxane methylene diphenyl -2 - propanone 7200 yuan / ton; Piperonal 1,000 yuan / kg; N-acetyl-o-amino benzoic acid 11500 yuan / ton; anthranilic acid 15,500 yuan / ton; Phenylacetate 15,000 yuan / ton; acetic anhydride 9900 yuan / ton; trichloromethane 4100 yuan / ton ; anhydrous ether 8500 yuan / ton; piperidine 58000 yuan / ton; toluene 5200 yuan / ton; methyl ethyl ketone 10,000 won / ton; sulfate 1,200 yuan / ton; hydrochloride 400 yuan / ton; anhydrous Ethanol 4200 yuan / ton.
另供：黄樟素、黄樟油、异黄樟素82元/公斤；1-苯基-2-丙酮2500元/公斤；3.4 亚甲基二氧苯基-2-丙酮7200元/吨；胡椒醛1000元/公斤；N-乙酰邻氨基苯酸11500元/吨；邻氨基苯甲酸15500元/吨；苯乙酸15000元/吨；醋酸酐9900元/吨；三氯甲烷4100元/吨；无水乙醚8500元/吨；哌啶58000元/吨；甲苯5200元/吨；甲基乙基酮10000元/吨；硫酸1200元/吨；盐酸400元/吨；无水乙醇4200元/吨。
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We discovered that the best stereoselectivity of the Pictet-Spengler (cis/trans=92:8) was obtained, when the reaction of D-tryptophan methyl ester II-33 with piperonal II-34 in acetic acid was catalyzed by benzoic acid at room temperature.
我们发现室温下在冰醋酸中，D-色氨酸甲酯II-33和胡椒醛II-34在苯甲酸催化下，发生Pictet-Spengler反应的立体选择性最高， cis：trans的比例为92： 8。
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The Pictet-Spengler reaction of D-tryptophan methyl ester hydrochloride II-42 with piperonal II-34 in various solvents was extensively studied. The best stereoselectivity (cis/trans=99:1) was obtained using nitromethane or acetonitrile as the solvent.
我们研究了在不同溶剂中，D-色氨酸甲酯盐酸盐II-42和胡椒醛II-34发生的Pictet-Spengler反应的立体选择性，发现当分别用硝基甲烷和乙腈做溶剂时反应的立体选择性达到最高， cis：trans的比例为99： 1。
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In the synthesis process of ligands and their rare earth complexes, metal lithium is used to substitute for n-butyllithium, such as the synthesis of fluorenyl lithium, piperonal dimethyl acetal lithium, and bis (9-fluorenyl) silylene lithium.
合成配体和配合物的中间体均采用金属锂代替正丁基锂，如芴锂、溴代胡椒醛二甲基缩醛基锂盐、甲基苯基双芴基硅烷双锂盐的制备，方法简单，操作简便，副反应少，且锂盐的浓度和用量易于控制。
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Starting from piperonal, the initial total synthesis of CET involved BischlerNapieralski reaction, 3, 2-sigmatropic rearrangement, unusual Nazarov-type electrocyclization, and autoxidative dehydrogenation of desmethylcephalotaxine to desmethylcephalotaxinone etc.
第一条路线我们以胡椒醛为起始原料，经Bischler-Napieralski反应，[3，2]-σ重排，6-6环系到7-5环系的还原重排，Nazarov氧化环化；碱性条件下脱甲基三尖杉碱到脱甲基三尖杉酮碱的氧化脱氢等20步反应，完成了三尖杉碱的全合成。
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Under the protection of purified water-free, oxygen-free argon, using Schlenk technique, the rare rarth organometallic complexes containing piperonal dimethyl acetal and dicyclopentadienyl and involving silylene-bridged fluorenyl have been synthesized.
合成了含胡椒醛二甲基缩醛基和二茂基稀土金属有机配合物。采用Schlenk技术，在干燥纯氩气保护下进行。将溴代胡椒醛二甲基缩醛基锂盐与二茂基一氯稀土（Ln：Yb，Dy，Pr，La，Sm）反应，形成5个新的文献未曾报道的稀土金属有机配合物。
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The condensation of 3 carbethoxy isoquinol 4 one with carbamidine, amidine, carbamide and sulfocarbamide gave isoquinolo pyrimidine derivatives, respectively and isoquinolo quinoline derivatives were synthesized by the reaction of o aminobenzaldehyde or o aminopiperonal with isoquinol 4 one.
报道了利用 3 乙氧甲酰基异喹啉 4 酮分别与胍、脒、脲及硫脲类化合物缩合反应合成异喹啉并嘧啶衍生物，邻氨基苯甲醛、邻氨基胡椒醛分别与异喹啉 4 酮反应合成异喹啉并喹啉化合物。6个新化合物的结构通过元素分析、红外光谱、核磁共振氢谱和质谱予以证
- 更多网络解释与胡椒醛相关的网络解释 [注：此内容来源于网络，仅供参考]
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dopa：多巴
目的研究6-18F-多巴(DOPA)的合成改进及其在大鼠体内和偏侧帕金森病(PD)大鼠模型脑内生物分布.方法以6-硝基胡椒醛为前体,经亲核氟化、二碘硅烷在柱还原碘化、手性相转移催化烷基化及水解4步反应合成6-18F-DOPA,
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piperonal：胡椒醛
另外本公司还可以提供其他规格的纯品型和溶液型的胡椒醛(Piperonal). 仪器信息网上的胡椒醛(Piperonal)报价和型号规格为参考报价和型号规格,如需购买胡椒醛(Piperonal)请来信来电咨询,胡椒醛(Piperonal)的报价以相关业务员给您提供的报价和型号规格为准.
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piperonal：胡椒醛 向日葵素
piperoller 滚管机 | piperonal 胡椒醛 向日葵素 | piperonaldehyde 胡椒醛
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piperonal：胡椒醛(洋茉莉醛)
黄樟脑 Safrole | 胡椒醛(洋茉莉醛) Piperonal | 2-丙酮 -Propanone
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dioxymethyleneprotocate-chuic aldehyde; piperonal; heliotropin：亚甲二氧苯甲醛;胡椒醛;向日[花香]醛
1,3-二[口+咢]唑 dioxole | 亚甲二氧苯甲醛;胡椒醛;向日[花香]醛 dioxymethyleneprotocate-chuic aldehyde; piperonal; heliotropin | 二新戊四醇一羟五丙烯酸酯 dipentaerythritolmono-hydroxy acrylate
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uniaxial strain：单轴向应变
heliotropin [化]胡椒醛, 向日葵香精 | uniaxial strain 单轴向应变 | concreter 混凝土工
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heliotropic：向日性的
heliotrope 向日葵 | heliotropic 向日性的 | heliotropin 胡椒醛
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heliotropin：洋茉莉醛
黄樟油主要用于生产合成香料洋茉莉醛(Heliotropin)和胡椒基丁醚,两种产品约占黄樟油消费量的70%,全球年生产洋茉莉醛1000吨,胡椒基丁醚3000吨(每吨含量95%的黄樟油素可生产胡椒基丁醚1.5吨).
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heliotropin：[化]胡椒醛, 向日葵香精
panic 惊慌, 恐慌, 没有理由的 | heliotropin [化]胡椒醛, 向日葵香精 | uniaxial strain 单轴向应变
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heliotropin：胡椒醛
heliotropic 向日性的 | heliotropin 胡椒醛 | heliotropism 向日性