查詢?cè)~典 aryl group
- 與 aryl group 相關(guān)的網(wǎng)絡(luò)例句 [注:此內(nèi)容來源于網(wǎng)絡(luò)黄大片视频,僅供參考]
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The aryl group can be a five- or six-membered heterocyclic ring.
芳基可以是五-或六-元雜環(huán)的環(huán)。
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A new viewpoint was proposed and a new rule was also proposed in determining whether crystallographic equivalence of ether and ketone linkage was tenable after taking account into the variety of aryl ring, the ratio of ketone to ether group, and the fashion of the ether and ketone linked by the aryl ring.
對(duì)聚芳醚酮晶體結(jié)構(gòu)醚酮等效性提出新觀點(diǎn)和判據(jù)影音先锋在线网站,即討論聚芳醚酮類聚合物的醚酮等效性問題必須考慮主鏈芳環(huán)種類国内自拍日韩高清视频在线,酮基與醚基比例,酮基日本一区二区黄色、醚基與芳環(huán)連接方式的影響9999热。
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This invention provides compounds of Formula; wherein: R is a moiety selected from the group: and n is an integer of 1 or 2; R is selected from hydrogen, amino,-NRR, alkyl of 1 to 12 carbon atoms optionally substituted, aryl of 6, 10 or 14 carbon atoms optionally substituted, alkenyl of 2 to 12 carbon atoms optionally substituted, alkynyl of 2 to 12 carbon atoms optionally substituted, halogen, and a 5 to 10 membered heteroaryl ring optionally substituted, having 1 to 4 heteroatoms independently selected from N, O and S; R is selected from hydrogen, alkyl of 1 to 12 carbon atoms optionally substituted, aryl of 6, 10 or 14 carbon atoms optionally substituted, alkenyl of 2 to 12 carbon atoms optionally substituted, vinyl, alkynyl of 2 to 12 carbon atoms optionally substituted and halogen; R is H, alkyl of 1 to 12 carbon atoms optionally substituted, cycloalkyl of 3 to 8 carbon atoms, bicycloalkyl of 5 to 10 carbon atoms or aralkyl optionally substituted; R is OH or -OH; R and R are each independently H or alkyl of 1 to 12 carbon atoms or when optionally taken together with the nitrogen atom to which each is attached form a 3 to 8 membered saturated heterocyclyl ring; R is alkyl of 1 to 12 carbon atoms optionally substituted; or a tautomer or pharmaceutically acceptable salts thereof.
本發(fā)明提供式的化合物;其中:R 1 為選自基團(tuán)和的部分五月丁香综合在线视频;n為整數(shù)1或2日韩伦理片精品视频网站免费;R 2 選自氫、氨基黄色视频在线免费看链接、-NR 6 R 7 免费日本黄色、具有1到12個(gè)碳原子的視情況經(jīng)取代的烷基、具有6個(gè)黄色网站三国产、10個(gè)或14個(gè)碳原子的視情況經(jīng)取代的芳基久久黄色大片视频免费无码、具有2到12個(gè)碳原子的視情況經(jīng)取代的烯基、具有2到12個(gè)碳原子的視情況經(jīng)取代的炔基亚洲色图乱伦图片、鹵素和具有1到4個(gè)獨(dú)立地選自N欧美一级A片色视、O和S的雜原子的視情況經(jīng)取代的5元到10元雜芳基環(huán);R 3 選自氫黄色网站在线免费公开视频、具有1到12個(gè)碳原子的視情況經(jīng)取代的烷基亚洲欧美日韩国产综合在线、具有6個(gè)、10個(gè)或14個(gè)碳原子的視情況經(jīng)取代的芳基456拍拍、具有2到12個(gè)碳原子的視情況經(jīng)取代的烯基国产九九视频一区二区在线、乙烯基、具有2到12個(gè)碳原子的視情況經(jīng)取代的炔基和鹵素黑人免费肏大屄视频;R 4 為H草草黄色影院、具有1到12個(gè)碳原子的視情況經(jīng)取代的烷基、具有3到8個(gè)碳原子的環(huán)烷基国产一级优女在线视频、具有5到10個(gè)碳原子的雙環(huán)烷基或視情況經(jīng)取代的芳烷基欧美七区视频在线观看;R 5 為OH或-OH 8 ;R 6 和R 7 各自獨(dú)立地為H或具有1到12個(gè)碳原子的烷基99国产精品自在自在久久,或當(dāng)視情況與其所連接的氮原子連接在一起時(shí)形成3元到8元飽和雜環(huán)基環(huán)日韩网站精品导航在线播放免费观看;R 8 為具有1到12個(gè)碳原子的視情況經(jīng)取代的烷基;或其互變異構(gòu)體或醫(yī)藥學(xué)上可接受的鹽黄色网站久久久久。
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The results of the experiments show that substituted aryl ethers that containing nitro group (-NO2) are easy to take place nucleophilic substitution in the alkaline medium and then aryl etherbond is cleaved.
實(shí)驗(yàn)結(jié)果表明中国特黄二区三区久久久久一级強奸毛片,含-NO_2的取代芳基醚,在堿性溶液中免费-级无码婬片AAAA片,易發(fā)生親核取代反應(yīng)wwwxx在线,從而使芳醚鍵斷裂。
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In chapter 4 an abnormal reaction that the nitro group of 1-aryl-2-nitroethenescan be easily replaced by the organic moity of FG-RZnI using Ni〓 and tertiaryamine as catalyst was first given. The experimental results show that in the presenceof catalytic amount of Ni〓 and tertiary amines, the reaction of FG-RZnI andl-aryl-2-nitroethenes give the substitution products l-aryl-l-alkene, instead ofMichael addition products.
通過實(shí)驗(yàn)發(fā)現(xiàn)一级毛片免费网站看,在催化量的Ni〓及叔胺催化下精品阿v999视频在线观看, l-硝基-2-芳基乙烯與烷基碘化鋅并不進(jìn)行Michael加成反應(yīng),而是發(fā)生1-硝基-2-芳基乙烯中硝基被取代的反應(yīng)性生活爱爱网址,生成了高產(chǎn)率的1-芳基-l-烯烴亚洲国产精品亚洲一区二区三区,由于此反應(yīng)的原料易得、反應(yīng)條件溫和亚洲中文高清有码在线、產(chǎn)物的產(chǎn)率高国产亚洲欧美在线观看第一区,因而是合成l-芳基-1-烯烴的有效方法。
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The invention relates to the synthesis of N-aryl group-3-(4-Beta-D-pyran allose glycoside phenyl)-5-formyl isoxazole-4-formamide and discloses a helicid derivative which can improve the functions of a central nervous system and the preparation method thereof; wherein, the compound has good sedative, hypnotic and anti-convulsant effects and is taken in the 2000 edition Chinese Pharmacopoeia with the drug name of helicid tablets.
N-芳基-3-(4-β-D-吡喃阿洛糖苷苯基)-5-甲豕执笥殖び钟灿炙执碳な悠担基異唑-4-甲酰胺的合成中文一级a一级a爰片免费免免,發(fā)明公開了具有改善中樞神經(jīng)系統(tǒng)功能的豆腐果苷類衍生物,及其制備方法青青免费三级片。該類化合物具有良好的鎮(zhèn)靜尹人香蕉、安眠、抗驚厥作用自慰一区在线。目前已以藥品名&神衰果素片&被收入2000年版《中國(guó)藥典》欧美三级全黄牲交视频。
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This dissertation is mainly focused on the reactivity of methylenecyclopropanes and comprises six parts. 1 The reactions of methylenecyclopropanes with phenylsulfenyl chloride, phenylselenyl chloride and diphenyl diselenide; 2 The coupling reactions of the ring-opening products derivated from methylenecyclopropanes; 3 The palladium-catalyzed ring-enlargement of mono-aryl group substituted methylenecyclopropanes to cyclobutenes. 4 The gold-catalyzed domino ring-opening and ring-closing hydroamination of methylenecyclopropanes with sulfonamides; 5 The Lewis acid-catalyzed reactions of mono-aryl group substituted methylenecyclopropanes with diethyl ketomalonate in the presence of water; 6 The iodobenzene diacetate mediated novel 1,3-dipolar cycloaddition of methylenecyclopropanes, vinylidenecyclopropanes, and methylenecyclobutane with phthalhydrazine.
本論文主要研究了亞甲基環(huán)丙烷類化合物的一些化學(xué)反應(yīng)性能97seSe视频,共由以下六部分組成:1、亞甲基環(huán)丙烷類化合物與苯硫氯可以免费看黄色视频的视频的视频、苯硒氯及二苯基二硒的反應(yīng)亚洲激情综合网;2、亞甲基環(huán)丙烷類化合物開環(huán)產(chǎn)物的偶聯(lián)反應(yīng)男女內交网站在线观看;3少妇乱淫特黄A片、單芳基取代的亞甲基環(huán)丙烷類化合物在鈀催化劑作用下的擴(kuò)環(huán)反應(yīng);4深夜福利爱爱视频、金化合物催化磺酰胺對(duì)亞甲基環(huán)丙烷類化合物的串聯(lián)開環(huán)關(guān)環(huán)氨氫化反應(yīng)成熟女人牲交片免费;5、路易斯酸催化亞甲基環(huán)丙烷類化合物與丙酮二羧酸二乙酯在有水存在下的反應(yīng)黄色操屄;6美女艹网站免费、醋酸碘苯促進(jìn)的亞甲基環(huán)丙烷類化合物、亞乙烯基環(huán)丙烷類化合物及亞甲基環(huán)丁烷類化合物與鄰苯二甲酰肼的新型1亚洲电影色色黄片,3-偶極環(huán)加成反應(yīng)18岁禁止在线免费观看。
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Wherein X is an oxygen atom or a sulfur atom; C*, C** and C*** are asymmetric carbons; R 1 , R 2 , R 4 , R 5 , R 8 , R 9 and R 10 are each a lower alkyl group optionally having substituent and the like, or R 4 and R 5 and the like in combination optionally form a homocyclic ring optionally having substituent and the like; R 3 is an aryl group optionally having substituent and the like; R 6 and R 7 are each a hydrogen atom and the like; Nu is -CR 16 (COR 17 )(COR 18 ) wherein R 16 , R 17 and R 18 are each a lower alkyl group optionally having substituent and the like, and the like; and EWG is an electron withdrawing group.
通式中,X代表氧或硫求a片网址;C *国产自产精品视频、C **和C ***分別表示不對(duì)稱碳;R 1 色呦呦网站直接看的、R 2 日本三级片在线免费播放、R 4 、R 5 美女的隐私秘免费视频网、R 8 玖玖爱精品视频在线观看免费2、R 9 和R 10 分別代表任選取代的低級(jí)烷基等,條件是例如R 4 和R 5 可以相互結(jié)合形成任選取代的同素環(huán)等国产成人综合亚洲;R 3 代表任選取代的芳基等黄片毛片免费大全;R 6 和R 7 分別代表氫原子等;Nu表示-CR 16 (COR 17 )(COR 18 )(其中R 16 caoporon、R 17 和R 18 分別代表任選取代的低級(jí)烷基等)等在线直接性片黄色视频;并且EWG表示吸電子基團(tuán)。
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The preferred organometallic compounds of the present invention are of the formula (R1)m M(PR23)x, where M is a metal selected from the group consisting of manganese, technetium, rhenium, iron, cobalt, nickel, ruthenium, rhodium, palladium, osmium iridium and platinum wherein m is 0, 1, 2, 3 or 4; x is 2, 3, 4 or 5 and m+x are 2, 3, 4, 5, 6, 7 or 8, m and x selected according to each metals appropriate valence; each R1 is independently selected from the group consisting of hydrogen, deuterium, N2, H2, D2 and a variety of substituted alkyl groups; each R2 is independently selected from the group consisting of lower alkyl, aryl, arylalkyl, and alkyl-Z, aryl-Z and arylalkyl-Z where Z is selected from the group consisting of oxy, silyl, siloxy, oxysilyl, siloxy, oxysiloxy, silyalkyl, oxysilylalkyl, siloxyalkyl, oxysiloxyalkyl, silylalkoxy, silylalkoxy, siloxyalkoxy and oxysiloxyalkoxy; and wherein when M is cobalt and one group R1 is selected to be N2, then m is 2 and the second group R1 is hydrogen or deuterium.
有機(jī)化合物的首選本發(fā)明的配方是米(R1代)米×(pr23)日韩免费午夜毛片视频、那里是一米的金屬挑選出來一级无码奶水,第一組由錳、锝久久久久久AV无码免费网站动漫、錸国产乱人伦偷精品视频免费看、鐵、鈷二色aⅴ国产热、鎳av激情网站、釕日韩午夜在线看导航视频网站免费下载、銠、鈀中文无码视频t、鋨最新白嫩丰满美女AV网站、銥鉑其中M是0、1色视频在线一区二区三区、2、3或418岁免费看的黄色网站; X是2黄色视频.com888,3, 4或5米×+有2国产精品老女人精品视频,3一级涉黄,4,5免看一级a一片日韩A片,6先锋影音每日AV资源站,7或8 米和X挑選合適的價(jià)按每個(gè)金屬; R1的是每一組由獨(dú)立選自氫日韩黄色视频品爱、氘很污很黄的视频网站、氮、氫氣18禁片免费网站在线看、 D2和各種烷基取代群體人人操亚洲综合; R2中的每個(gè)組由獨(dú)立選自烷基低、芳三级绝黄A片在免费线观看欧美、芳基烷基葡京亚洲影院在线观看、烷基的Z、芳基全国最新的黄色视频播放久了爽爽、芳基烷基的Z-那里的ZZ是選自組風(fēng)草草视频在线观看网址、含硅、氧四川三级自中文字幕亚洲、oxysilyl黄片黄片黄片、硅、oxysiloxy99热精品区,silyalkyl8x成年视频在线观看免费, oxysilylalkyl,siloxyalkyl女人扒开腿让男人桶白浆动态视频,oxysiloxyalkyl精品丝袜国产在线精品不卡,silylalkoxy,silylalkoxy天天摸天天,siloxyalkoxy和oxysiloxyalkoxy免费观看黄网站不卡影院视频;其中幸福宝app官网在线入口,M是當(dāng)鈷一派R1的選擇是氮?dú)狻⑷缓笫?米香港性爱视频一区二区三区,第二組R1的氘是氫或者人人插视频激烈。
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Wherein X represents a hydrocarbon group or hiydrocylhy-drocarbon group having 1 to 14 carbon atoms, a represents an integer of 1 to 6,b represents an integer of 1 to 5,R's represent a hydrogen atom,a halogen atom,a hydrocarbon group having 1 to 8 carbon atoms or an aryl,group independently from each other,and n represents an average number which is 1 to 10 and4,4'dihydroxybiphenyl,and having a softening point of not higher than 120℃,and not lower than 60℃.
其中x是一個(gè)油氣組或hiydrocylhy-油氣群有1至14個(gè)碳原子, a代表整數(shù)1到699精品视频精品精品视频,B代表整數(shù)1到5午夜成年人网站,R的是氫原子,鹵素原子www.污黄视频在线看,烴類組有1至8個(gè)碳原子或一個(gè)芳人人人澡人人人看人人人看,77獨(dú)立于對(duì)方,而n是一個(gè)平均這個(gè)數(shù)字是1至10條和第4狂插乱捅,4'dihydroxybiphenyl2021偷窥自拍亚洲,并有軟化點(diǎn)不高于120℃,不得低于60℃国产一线在线观看。
- 推薦網(wǎng)絡(luò)例句
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And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.
47:5 法老對(duì)約瑟說1级黄色免费片,你父親和你弟兄們到你這里來了。
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Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.
提出了用測(cè)地線方程黄色片你懂的、曲面上兩點(diǎn)間短程線來計(jì)算膜結(jié)構(gòu)曲面測(cè)地線的方法美女裸体黄网站18禁止免费,同時(shí),采用測(cè)地線間垂線的中點(diǎn)連線和用無約束極值法進(jìn)行空間條狀曲面近似展開的分析中文字字幕在线永久视频。
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Hey Big Raven, The individual lies dont matter anymore - its ALL a tissue of lies in support of...
嘿大烏鴉色免费网站,個(gè)別謊言的事不要再-其所有的組織的謊言,在支持欧美高清精品视频在线一区二区。