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#f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>PINAP相關(guān)哌啶結(jié)構(gòu),哌啶</p><p><span>***更新：</span>2021-01-10 05:18:58</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="xbd7oly" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海畢得醫(yī)藥科技有限公司</a></p><p><span>聯(lián)系人：</span>邱鴻婷</p><p><span>郵箱: </span>3003495196@qq.com</p><p><span>電話: </span>13818398014</p><p><span>傳真: </span>021_</p><p><span>網(wǎng)址: </span>https://www.bidepharm.com</p><p><span>手機(jī): </span>021-61629020</p><p><span>地址: </span>翔殷路128號(hào)11號(hào)樓A座101室</p><p>[當(dāng)前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="dcjfhoa" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="tsubykm" class="box"><p><p style="text-indent:25px">3-芳基/雜芳基-2-芳基羥基芳基-3-氧化丙烷2c，d用乙基三苯基膦?；姿嵋阴的Wittig反應(yīng)在甲基磺酰甲基碳酸甲基甲基己酰基中提供2-取代的6-芳亞吡嗪-3（2H） - 酮（5A，B）中等產(chǎn)量。在乙酸鉀存在下，也從2C，D與乙酸酐的反應(yīng)獲得化合物5A，B. 1-取代-3-二甲基氨基丙醇-2-烯-1-氨基丙醇1B，D夫婦與5-甲基異惡唑-3-重氮氯化氫，得到異惡唑肼唑烷丙烷2g，h?；衔?a，b耦合加入5-甲基吡唑-3-重氮酰氯，得到吡唑基酰肼丙烷，PINAP相關(guān)哌啶結(jié)構(gòu)，其容易循環(huán)到相應(yīng)的吡唑[5,1-C] [1,2，PINAP相關(guān)哌啶結(jié)構(gòu)，PINAP相關(guān)哌啶結(jié)構(gòu),4]三嗪。研究了2-芳基?；?3-氧化丙烷2A-F朝向各種活性亞甲基試劑的反應(yīng)性。聚鹵代硝基丁二烯作為多功能砌塊，用于生物可靶向替代的N-雜環(huán)化合物。PINAP相關(guān)哌啶結(jié)構(gòu)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="PINAP相關(guān)哌啶結(jié)構(gòu),哌啶" src="https://tyunfile.71360.com/WaterMark/UploadFile/shbdyykj/637439115881254773/2914049.png"></div><p style="text-indent:25px">將烯胺酮1與芳族重氮鹽偶聯(lián)以合成3-氧代-2-芳基或2-雜?；禄?a–k。1,2這些新型芳基肼基化合物的結(jié)構(gòu)和化學(xué)性質(zhì)引起了人們的廣關(guān)注，其用途廣。這些化合物近來有報(bào)道。2,5由于2-芳基肼基吡咯烷酮在溫和條件下發(fā)生重排成1-芳基肼基-2-氧丙烷，研究人員認(rèn)為在2的情況下也可能發(fā)生這種重排。這對(duì)于1H NMR研究中平衡混合物的存在是合理的。通過將烯酮1與芳族重氮鹽的偶聯(lián)，制備2-氟酰亞胺丙烷2A-E和3-氧代-2-芳基酰肼丙戊二醇酰上?；衔?a-c用肼水合物冷凝，得到相應(yīng)的含有萘氨酸衍生物6a-c的相應(yīng)腙3a-c，同時(shí)用肼水合物的2g，j的冷凝直接產(chǎn)生吡唑衍生物4g-j。 2A-C，F(xiàn)，G的縮合用苯基肼給予相應(yīng)的苯基腙衍生物7a-c，f，g。通過單晶X射線分析評(píng)估2A，H和3A的結(jié)構(gòu)。N-雜環(huán)卡賓相關(guān)哌啶一系列包含新的N雜環(huán)結(jié)構(gòu)單元的多維MOF：5,5-二（吡啶-3-基）-3,3-雙（1,2,4-三唑）。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="PINAP相關(guān)哌啶結(jié)構(gòu),哌啶" src="https://tyunfile.71360.com/WaterMark/UploadFile/shbdyykj/637439115895268337/1133578.png"></div><p style="text-indent:25px">含有1,3,4-惡二唑，1,2,4-惡二唑和1,2,4-三唑環(huán)系統(tǒng)的對(duì)映體雜環(huán)Boc保護(hù)的Phe-Gly二肽模擬物是偽肽合成中的結(jié)構(gòu)單元。三個(gè)衍生物（1-3）具有直接鍵合到雜環(huán)上的羧酸官能團(tuán)，并且三個(gè)衍生物（4-6）在雜環(huán)和酸官能團(tuán)之間具有額外的亞甲基，以提高構(gòu)象柔韌性。該模擬物被用作生物活性肽dermorphin（Tyr-D-Ala-Phe-Gly-Tyr-Pro-Ser-NH2）和物質(zhì)P（Arg-Pro-Lys-Pro-Gln-Gln-Phe）中的Phe Gly替代品-Phe-Gly-Leu-MetNH（2），SP）。使用Boc化學(xué)方法在MBHA-樹脂上使用固相方法進(jìn)行偽肽合成。通過測試dermorphin假肽的μ阿片和δ阿片受體親和力以及SP假肽的NK1受體親和力來進(jìn)行生物學(xué)評(píng)估。結(jié)果表明，除3個(gè)模擬物外，所有模擬物都是dermorphin中Phe-Gly的替代品，因?yàn)樗鼈儗?duì)mu受體的親和力（IC50 = 12-31 nM）與dermorphin本身的親和力相同（IC50 = 6.2 nM）。還評(píng)估了三種假肽對(duì)人mu受體的激動(dòng)活性。結(jié)果表明，所測試的化合物保留了其激動(dòng)劑活性。</p><p style="text-indent:25px">1,2,5-Telluradiazole環(huán)通過固態(tài)的Te-N二次鍵合相互作用具有明顯的締合趨勢。鍵長度和角度在已知晶體結(jié)構(gòu)中的可再現(xiàn)性允許非諧力場的參數(shù)化，以適應(yīng)分子間和分子內(nèi)Te-N鍵。針對(duì)公布的晶體結(jié)構(gòu)對(duì)新參數(shù)進(jìn)行了測試，并能夠準(zhǔn)確再現(xiàn)實(shí)驗(yàn)觀察到的幾何形狀。將這些參數(shù)整合到分子力學(xué)力場中，與Hartree-Fock（HF）或密度泛函理論（DFT）方法相比，可以用更少的計(jì)算量對(duì)大型復(fù)雜結(jié)構(gòu)進(jìn)行建模。對(duì)參數(shù)集的簡單修改就可以對(duì)無環(huán)碲二酰胺的結(jié)構(gòu)進(jìn)行建模。一系列的4,7-二取代的苯并-2,1,3-telluradiazoles被建模以探測二聚化的空間屏障。只有具有大球形本體的基團(tuán)，例如叔丁基，三甲基甲硅烷基和金剛烷基能夠使二聚體不穩(wěn)定。基于雙功能構(gòu)件的建模建議了用于構(gòu)建新穎的二維和三維超分子體系結(jié)構(gòu)的策略。呋喃布吡喃丙烷的總合成。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="PINAP相關(guān)哌啶結(jié)構(gòu),哌啶" src="https://tyunfile.71360.com/WaterMark/UploadFile/shbdyykj/637439115867680637/3418900.png"></div><p style="text-indent:25px">以氟代咪唑鎓鹽為前體，經(jīng)兩步烷基化反應(yīng)，設(shè)計(jì)合成了一種含氟官能團(tuán)的聚合N-雜環(huán)卡賓（NHC）-Zn配合物（F-PNHC-Zn）。所得的F-PNHC-Zn用于在有機(jī)硅烷存在下使用CO2作為C1結(jié)構(gòu)單元來催化胺的甲?；图谆?，在相同條件下，其顯示出比相應(yīng)的無氟PNHC-Zn高得多的活性。具有吸電子基團(tuán)和給電子基團(tuán)的N-甲基苯胺都可以> 90％的轉(zhuǎn)化率轉(zhuǎn)化為相應(yīng)的甲酰胺和甲胺。即使在非常低的CO2壓力下（用N-2稀釋0.05 MPa）也可以實(shí)現(xiàn)N-甲基苯胺的定量轉(zhuǎn)化。而且，F(xiàn)-PNHC-Zn對(duì)于這些反應(yīng)非常穩(wěn)定并且易于回收。多方型α-烯胺：通過不同的1,2-，1,3-，1,4-和C-O鍵形成環(huán)土合成雜環(huán)支架的適應(yīng)性砌塊。PINAP相關(guān)哌啶結(jié)構(gòu)</p><p style="text-indent:25px">嘧啶乙酮作為雜環(huán)合成的砌塊。PINAP相關(guān)哌啶結(jié)構(gòu)</p><p style="text-indent:25px">通過在微波輻射下與乙酸酐在乙酸酐存在下通過與醋酸酸酐反應(yīng)易于氰基化的氰基化，以形成相應(yīng)的氰基乙酰胺2a-c，其凝聚用DMF-DMA，形成與肼水合物反應(yīng)的相應(yīng)烯胺4產(chǎn)生氨基吡唑5.此外，氰基乙酰胺2a-c與各種芳基丙二腈反應(yīng)，得到一種新的吡啶[1,2-a]噻吩[3,2-e]嘧啶衍生物12a-o。此外，烯胺4a，b與丙二腈反應(yīng)，得到吡啶[1,2-a]噻吩[3,2-e]嘧啶衍生物19a，b。氰基乙酰胺2a，b也與水楊醛反應(yīng)，得到喹啉衍生物24a，b。此外，氰基乙酰胺2a，b與烯胺酮25a-c反應(yīng)形成相應(yīng)的吡啶-2-一個(gè)衍生物29a-c。 2A，C與氯化氮氧化鎓氯化物的反應(yīng)提供與氯乙腈反應(yīng)的芳基肼30A，B，以形成無循環(huán)產(chǎn)物31，其不能進(jìn)一步環(huán)化到相應(yīng)的4-氨基吡唑?？梢垣@得七種產(chǎn)品的X射線晶體分析，從而確定在這項(xiàng)工作中的建議結(jié)構(gòu)。測試該研究中的大多數(shù)合成化合物并評(píng)估為抗微生物劑。 PINAP相關(guān)哌啶結(jié)構(gòu)</p><p> 上海畢得醫(yī)藥科技有限公司成立于2007年，總部位于上海市楊浦區(qū)理工大學(xué)國家大學(xué)科技園，是一家以醫(yī)藥中間體相關(guān)產(chǎn)品的研發(fā)、生產(chǎn)、銷售及合成定制為主的****。自公司成立以來，始終堅(jiān)持信譽(yù)至上，質(zhì)量過硬的企業(yè)信條，產(chǎn)品被應(yīng)用于生命科學(xué)、有機(jī)化學(xué)、材料科學(xué)、分析化學(xué)與其他學(xué)科的研發(fā)及生產(chǎn)領(lǐng)域，銷售范圍遍及全球。目前，公司與諸多國內(nèi)**醫(yī)藥研發(fā)單位建立了合作伙伴關(guān)系。 </p> <p> 公司位于上海理工大學(xué)科技園的行政辦公中心面積達(dá)1,700平米，在藥谷設(shè)立的研發(fā)中心面積1,800平米，包括化學(xué)合成實(shí)驗(yàn)室和公斤級(jí)實(shí)驗(yàn)室，并配有現(xiàn)代化倉儲(chǔ)物流中心。公司優(yōu)勢產(chǎn)品包括特色雜環(huán)化合物、含氟化合物、手性化合物、氨基酸及其衍生物、硼酸及其衍生物等，已有多項(xiàng)科研項(xiàng)目獲得國家發(fā)明專利。 </p> <p> 為確保產(chǎn)品質(zhì)量，公司引進(jìn)了先進(jìn)齊全的分析測試設(shè)備，包括400MHz核磁共振儀(NMR)、電感耦合等離子體發(fā)射光譜儀(ICP)、液質(zhì)聯(lián)用儀(LCMS)等，并配以嚴(yán)格的質(zhì)量管理體系。公司簽有具備GMP資質(zhì)的合作工廠，配備專業(yè)的研發(fā)團(tuán)隊(duì)，形成了從小試、中試到工業(yè)化規(guī)模的生產(chǎn)能力，滿足客戶定制合成、目錄試劑采購及合成外包生產(chǎn)的需求。 </p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2781875.html</p></div></div></div></div></div><div id="azgyqcj" class="page-right twoColRt"><div id="7l42dkr" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="qvxu3w3" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)" 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