- 更多网络例句与噻喃相关的网络例句 [注:此内容来源于网络,仅供参考]
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Photoinduced reactions of 1 with 15, 16 and 19 gave the corresponding annulation products 21 (58%), 30 (71%) and 35 (87%) directly in one pot sequential reactions.
二氯香豆素(1)可分别与2-和3-苯基苯并呋喃以及2-甲基-4-苯基噻唑在光照条件下经一锅内的连续反应直接合成增环产物21(58%),30(71%)和35(87%)。
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Part 2. Annulation reaction of 3, 4-dichlorocoumarin (1) and 3, 4-dichloromaleimide (8) by a new general annulation strategy developed in this group with 2-phenylbenzofuran (15), 3-phenylbenzofuran (16), 2, 5-diphenyloxazole (17), 2, 5-diphenylthiazole (18), 2-methyl-4-phenylthiazole (19) and 2, 3-dimethoxy-1, 3-butadiene (40) were investigated.
二。在本课题组前一阶段提出的从二氯代环烯酮与1,1-二芳基乙烯的光化反应以及光化反应中得到的环丁烷产物的连续电环化反应对3,4-二氯马来酰亚胺以及3,4-二氯香豆素进行增环反应的工作基础上,研究了3,4-二氯香豆素(1)和3,4-二氯马来酰亚胺(8)与5个α-苯基取代的环烯烃2-苯基苯并呋喃(15),3-苯基苯并呋喃(16),2,5-二苯基噁唑(17),2,5-二苯基噻唑(18),2-甲基-4-苯基噻唑(19),以及一个丁二烯——2,3-二甲氧基丁二烯(40)进行的芳香族增环反应。
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The enthalpy change of the sorption process corroborates earlier findings that van der Waals forces dominate the sorption of S- and O-heterocyclic compounds such as thiophene, benzothiophene, benzofuran, and 2-methylbenzofuran.
吸附过程的热焓变化证实了早期的发现:硫和氧类杂环物质(像噻酚、苯并噻吩、苯并呋喃、3甲基苯并呋喃)的吸附主要以范德华力为主。
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It manufactures heterocyclic, such as pyrazine, thiazole, furan, pyridine and sulf-compounds with their ramifications; and pharmaceutical intermediates such as veratraldehyde, isovanillin, sufurol, diacetyl, acetoin, and 2, 5-dimethyl pyrazine.
食用产品有吡嗪、噻唑、呋喃、吡啶等杂环系列及含硫系列的合成香料化合物。医药中间体产品有:藜芦醛、异香兰素、硫噻唑、丁二酮、乙偶姻、2,5-二甲基吡嗪等。
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Formylation and diformylation of dithieno [2,3-b:3',2'-d] thiophene were prepared by two methods. Firstly, aromatic carbanions were prepared by 1 Br/Li exchange of bromo dithieno[2,3-b:3',2'-d]thiophene with n-BuLi in THF at low temperature; 2 deprotonation of dithieno[2,3-b:3',2'-d]thiophene with LDA.
二噻吩并[2,3-b:3',2'-d]噻吩单醛与双醛的制备首先通过两种方法产生芳基负离子:1溴代并三噻吩在四氢呋喃中与正丁基锂发生的溴锂交换;2用LDA对二噻吩并[2,3-b:3',2'-d]噻吩去质子化作用。
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Starting from tetrafuran, 2_(4_Aminosulfonylphenyl)_4H_1,2_thiazine_1_dioxide, an antiepileptic drug with special structure, was obtained via esterification, sulphonation, chloridization, condensation and cyclization.
以四氢呋喃为原料,经酯化、磺化、酰氯化、缩合、环化等步骤,合成了化学名为 4_(四氢_2H_1,2_噻嗪基_2 )苯磺酰胺_S_S_二氧化物的抗癫痫药舒噻嗪,通过IR、1HNMR和元素分析对其结构进行了表
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Synthesis of the antiepileptic tiagabine hydrochloride;2. Starting from tetrafuran, 2_(4_Aminosulfonylphenyl)_4H_1,2_thiazine_1_dioxide, an antiepileptic drug with special structure, was obtained via esterification, sulphonation, chloridization, condensation and cyclization.
以四氢呋喃为原料,经酯化、磺化、酰氯化、缩合、环化等步骤,合成了化学名为 4_(四氢_2H_1,2_噻嗪基_2 )苯磺酰胺_S_S_二氧化物的抗癫痫药舒噻嗪,通过IR、1HNMR和元素分析对其结构进行了表
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A novel macromonomer,polystyrene capped with thienyl group,which can undergos oxidation coupling polymerization,has been synthesized by anionic polymerization of styrene with butyl lithium as the initiator and 3-bromo-thiophene as the terminator.
以丁基锂为引发剂、四氢呋喃为溶剂,在氮气气氛和-78℃下进行苯乙烯阴离子聚合,并加入 3-溴噻吩作为终止剂,从而合成出末端含噻吩基的聚苯乙烯,它可以进行氧化偶联聚合,是一类新的大分子单体。
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Its molecular structure js beta-methyl indole-3-propionic acid, containing no thiopyran ring, which is a characteristic moiety of Chuanxinmycin.
脱硫创新霉素是创新霉素经过脱硫反应生成的一个创新霉素衍生物,其分子结构为β-甲基吲哚丙酸,不含创新霉素所特有的噻喃环。
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Diamines are performed. An new and effective atom economy, domino reaction is developed, and 5, 6dihydro-4H-thieno [2, 3-b] thiopyran are synthesized by 4-(4-methyl-1, 3-dithiol-2-ylidene)-1, 7-diaryl-1, 6-diene-3, 5-dione
然后以4-[(4-甲基-1,3-二噻烷-2-亚甲基)-1,7-二芳基]-1,6-二烯-3,5-二酮类化合物为合成子探索稠杂环合成方法,并发现一个高效的,具有原子经济性的多米诺效应合成方法,并成功的利用其合成了一系列噻喃并噻吩衍生物。
- 更多网络解释与噻喃相关的网络解释 [注:此内容来源于网络,仅供参考]
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furan:喃
我公司可供应糠基硫醇、4-甲基-5-羟乙基噻唑吡嗪系列(Pyrazine)、噻唑系列(Thiazole)、呋喃(Furan)、吡啶系列(Pyridine)、吡咯系列(Pyrrole)、噻吩系列(Thiophene)、含硫系列(Sulfide)以及其他的芳香类化合物 .呋喃酮;丁位癸内酯等香料.
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thigmotropism;stereotropism:向触性
趋触性 thigmotaxis | 向触性 thigmotropism;stereotropism | 噻喃;环硫乙烷;环硫化乙烯 thiirane;ethylene sulfide
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thiazole dye:噻唑染料,噻唑染料
thiamine tetrahydrofurfuryl disulphiele 呋喃硫胺 | thiazole dye 噻唑染料,噻唑染料 | thick article 厚壁制品
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thill bamboo;Phyllostachys lithophila Hayata:石竹
噻喃;环硫乙烷;环硫化乙烯 thiirane;ethylene sulfide | 石竹 thill bamboo;Phyllostachys lithophila Hayata | 砂丘群落的 thinic
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thiophene:噻吩
一、 基本介绍 噻吩(Thiophene)又名硫杂环戌二烯、硫代呋喃和硫杂茂. 为无色低粘度液体,微有苯的气味...
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benzothiofuran; benzothiophene; thianaphthene; thionaphthene:苯并硫呋喃;苯并噻吩;噻[口+奈]
苯甲酰磺酰亚胺;糖精;沙卡林 benzosulfimide; s... | 苯并硫呋喃;苯并噻吩;噻[口+奈] benzothiofuran; benzothiophene; thianaphthene; thionaphthene | 三氯甲基苯;次苄氯 benzotrichloride; benzotrichloride; benz...
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thianthrene; diphylene disulfide:噻蒽;二硫化二伸苯
噻茚;苯并噻吩 thianaphthene | 噻蒽;二硫化二伸苯 thianthrene; diphylene disulfide | 噻哌喃 thiapyran
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thienyl:噻吩基
选自吡嗪基、吡唑基、哒嗪基、吡啶基、嘧啶基、吡咯 基、四唑基、呋喃基、咪唑基、三嗪基、吡喃基、噻唑基、噻吩基(thienyl)、 噻吩基(thiophenyl)、三唑基、唑基、异唑基、噻唑基、二唑基、 吲哚基、喹啉基、异喹啉基、苯并咪唑基及苯并唑基的杂芳基,
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thiofuran; thiophene:硫呋喃;噻吩
硫甲酰胺苯 thioformanilide | 硫呋喃;噻吩 thiofuran; thiophene | 巯乙酸;硫乙醇酸 thioglycolic acid
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thiopyran:噻喃
thioproperazine 硫丙拉嗪 | thiopyran 噻喃 | thioquinox 克杀螨