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href="http://www.cdcfah.com/xw/"><span>行業(yè)資訊</span></a></li><li id = "index_show"><a href="http://www.cdcfah.com/zh/"><span>展會信息</span></a></li></ul></div></nav><section class="wrap clearfix"><section class="container clearfix tcPro"><section class="home-main container clearfix"><div id="xvczlnp" class="twoCol"><div id="ve7tv8l" class="page-proshow clearfix"><p class="current"> 當前位置:<a href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/second-_jxhxp/">精細化學品</a>?<a href="http://www.cdcfah.com/cp/third-jxhxp_ylykq/">原料藥</a>?Segphos哌啶上海畢得醫(yī)藥科技供應(yīng)</p><div id="nc3wyht" class="leftbox clearfix"><h1>Segphos哌啶上海畢得醫(yī)藥科技供應(yīng)</h1><div id="zo88hjv" class="proBig"><div id="fu2uqsz" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/shbdyykj/637439115837612467/2408769.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="i3f2fh7" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/shbdyykj/637439115837612467/2408769.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="kji78md" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</span>面議</p><p><span>所在地：</span>上海市</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>Segphos哌啶,哌啶</p><p><span>***更新：</span>2021-01-11 02:16:55</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="7lszb2v" 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: </span>021-61629020</p><p><span>地址: </span>翔殷路128號11號樓A座101室</p><p>[當前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="srik7ul" class="page-proshow02"><p class="title">詳細說明</p><div id="3l7gdu3" class="box"><p><p style="text-indent:25px">嘧啶和稠合的嘧啶由于其生物活性而作為一類重要的雜環(huán)化合物。在融合的嘧啶中，Segphos哌啶，呋喃嘧啶由于具有很廣的藥物活性，例如抗病毒和抗微生物活性而引起了化學家的注意。制備呋喃并[2,3-d]嘧啶的合成策略很多。已知取代的2-氨基呋喃-3-腈是使用不同試劑合成呋喃并[2,3-d]嘧啶的容易獲得的起始原料。在我們不斷努力構(gòu)建具有強大抵御細菌活性的稠合惡嗪系統(tǒng)和其他雜環(huán)的背景下，本文報道了2-氨基-4,5-二苯基呋喃-3-甲腈在呋喃[2，Segphos哌啶,3-d]合成中的應(yīng)用[1,3]惡嗪-4-酮及其通過與不同氮親核試劑反應(yīng)轉(zhuǎn)化為呋喃[2,3-d]嘧啶和其他雜環(huán)系統(tǒng)。通過將二乙基二乙基二乙基-4-二甲基氨基 - 甲基-3-甲基戊-2-丙二酸2與肼水合物和乙基胺反應(yīng)制備標題化合物。將形成的吡啶酮3a冷凝與二甲基甲酰胺二甲基縮醛，得到相應(yīng)的烯胺，其可以通過在乙酸銨的存在下回流通過回流在乙酸中循環(huán)到吡啶[3,4-c]吡啶中。 3A與元素硫的反應(yīng)得到了噻吩吡啶，其用電子較差的烯烴和乙炔反應(yīng)，得到異喹啉.化合物3a與芐基 - 丙二腈反應(yīng)，Segphos哌啶，得到異喹啉，得到異喹啉。哌啶.中文同義詞六氫吡啶六氫吡啶哌啶氮己環(huán)一氮六環(huán)派盯一氮六圜Ⅲ型聚丙烯聚丙烯(無規(guī)共聚) 胡椒啶。Segphos哌啶</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="Segphos哌啶,哌啶" src="https://tyunfile.71360.com/WaterMark/UploadFile/shbdyykj/637439115837612467/2408769.png"></div><p> 哌啶是分子式為5NH的有機化合物。該雜環(huán)胺由包含五個亞甲基橋（-CH2-）和一個胺橋。它是一種無色的發(fā)煙液體，帶有氨或類似胡椒的氣味。該名稱來自派珀（Piper）屬，該詞的拉丁語為Pepper。哌啶是有機化合物（包括藥物）合成中***使用的結(jié)構(gòu)單元和化學試劑。哌啶以胡椒的拉丁語命名為Piper屬，其分子式為（CH2）5NH。它是一種雜環(huán)胺，由包含五個亞甲基單元和一個氮原子的六元環(huán)組成。哌啶是一種強堿性化合物。它是一種無色發(fā)煙液體，帶有氨水和胡椒味。它存在于黑胡椒果實，油和種子（黑胡椒），大麥種子，芹菜植物，甜椒和***中手性亞磷酰胺哌啶化合物價格5-（1-吡咯基）-2-苯硫噻吩[2,3-D]嘧啶作為雜環(huán)合成的砌塊。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="Segphos哌啶,哌啶" src="https://tyunfile.71360.com/WaterMark/UploadFile/shbdyykj/637439115881254773/2914049.png"></div><p style="text-indent:25px">乙酰二羧酸二甲酯（DMAD）是具有兩個反應(yīng)性酯基的電子缺乏乙炔化合物。它是一種特權(quán)和優(yōu)勢的分子，其在雜環(huán)中容易且實際地參與。由于存在兩種酯吸電子基團，DMAD容易經(jīng)歷邁克爾添加，然后雜環(huán)化以提供具有不同環(huán)尺寸的通用雜環(huán)化合物。 DMAD在溫和條件下進行Diels-Alder反應(yīng)，得??到雜環(huán)，其不能通過常規(guī)雜環(huán)容易地合成。使用DMAD開通了珍貴的網(wǎng)關(guān)，以合成一些重要的融合環(huán)雜環(huán)系統(tǒng)，既不通過替代路徑易于獲得，也不是通過使用市售的起始材料來獲得。近來科學家正嘗試突出DMAD在各種雜環(huán)化合物的合成中的應(yīng)用。</p><p style="text-indent:25px">氨基酸（AAs）價格便宜，容易獲得，帶有手性碳片段，是不對稱合成的必需元素。它們在生物學上很重要，由氨基（eNH2）和羧酸（eCOOH）基團組成，并且在各自特定的不同位置具有側(cè)鏈。它們的雙官能度和光學純度以及其官能團位置的變化使它們成為通用的合成子，可用于構(gòu)建多種重要的旋光性雜環(huán)。氨基酸（AAS）通常被認為是肽和蛋白質(zhì)的重要??支架。然而，在過去的幾十年中，它們已被用作各種雜環(huán)體系的合成的重要合成器，特別是對于應(yīng)通過不對稱合成獲得一個特定立體異構(gòu)體的合成。雖然AAS作為雜環(huán)化合成的應(yīng)用是在1995年廣審查的，但許多關(guān)于其用于建造各種不同大小的雜交的報告的報告使得該主題是有價值的更新。Zn-II和CD-II復(fù)合物的結(jié)構(gòu)多樣性和性質(zhì)，具有柔性二羧酸鹽砌塊1,3-苯二乙酸和各種雜環(huán)共配體。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="Segphos哌啶,哌啶" src="https://tyunfile.71360.com/WaterMark/UploadFile/shbdyykj/637439115818804027/4358182.png"></div><p style="text-indent:25px">不斷增加的全球能源消耗需要開發(fā)有效的能量轉(zhuǎn)換和存儲設(shè)備。與原始活性碳相比，氮摻雜多孔碳作為超級電容器的電極材料具有優(yōu)異的電化學性能。在此，容易合成策略，包括苯并咪唑的固態(tài)混合，作為氮氣和碳的廉價單源前體和氯化鋅作為高溫溶劑/活化劑，然后是混合物熱解（在AR下的T = 700-1000℃ ）被介紹。添加ZnCl2可防止早期升華苯并咪唑并促進碳化和孔產(chǎn)生。在900℃和ZnCl2 /苯并咪唑的碳化溫度下獲得的樣品為2/1（Zbidc-2-900）的重量，特異性表面積為855m（2）g（-1），高N-摻雜水平（10wt％）和寬微孔尺寸分布（類似于1nm）。由于氮官能團的電化學活性的協(xié)同優(yōu)勢，Zbidc-2-900作為超級電容器電極顯示出332 f g（-1）的大重量電容332 f g（-1）（以1μg（-1））和可移的孔隙度。具有穩(wěn)健的循環(huán)穩(wěn)定性，高產(chǎn)量和直接合成的優(yōu)異的電容性能，該碳的高產(chǎn)量和直接合成具有很大的大型能量存儲應(yīng)用的潛力。嘧啶乙酮作為雜環(huán)合成的砌塊。TADDOL Phos哌啶相關(guān)產(chǎn)品</p><p style="text-indent:25px">作為雜環(huán)制劑的砌塊：新型吡唑的合成。Segphos哌啶</p><p style="text-indent:25px">從2,4-二氯喹唑啉開始，測試各種用于選擇性除去4-氯取代基的方法，包括催化氫化，金屬 - 鹵素交換，降低金屬氫化物，并用三丁基硫丁蛋白氫化物還原 - 后者在激進和中stille型反應(yīng)。其中，發(fā)現(xiàn)有效的方法是STILLE型耦合。此外，實驗研究了2-氯喹唑啉的反應(yīng)性，并發(fā)現(xiàn)它作為直接引入2-喹唑啉基部分的通用砌塊。討論了使用氫化三丁基錫作為將2，4-二氯喹唑啉轉(zhuǎn)化為2-氯喹唑啉的溫和且選擇性的方式的Stille型偶聯(lián)，以及該雜環(huán)結(jié)構(gòu)單元的反應(yīng)性。Segphos哌啶</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)理工大學國家大學科技園，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，始終堅持信譽至上，質(zhì)量過硬的企業(yè)信條，產(chǎn)品被應(yīng)用于生命科學、有機化學、材料科學、分析化學與其他學科的研發(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科技園的行政辦公中心面積達1,700平米，在藥谷設(shè)立的研發(fā)中心面積1,800平米，包括化學合成實驗室和公斤級實驗室，并配有現(xiàn)代化倉儲物流中心。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，已有多項科研項目獲得國家發(fā)明專利。 </p> <p> 為確保產(chǎn)品質(zhì)量，公司引進了先進齊全的分析測試設(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)團隊，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/2791707.html</p></div></div></div></div></div><div id="gzb2oqh" class="page-right twoColRt"><div id="pebn38b" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="hwdf2zg" class="recomPic likePro"><a 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