Synthesis and fluorescent properties of some Furan‐tagged Thieno[2,3‐        <fi >d</fi>d        ]pyrimidines and Thieno[2,3‐        <fi >d</fi>d        :4,5‐        <fi >d</fi>d        ']dipyrimidines

Abdel Hamid Atef M.; Hamed Eman O.

摘要

Abstract > Intermolecular cyclization of pyrimidinethiol 1 with ethyl chloroacetate and chloroacetonitrile furnished thieno[2,3‐ <fi>d</fi> ]pyrimidines 2a,b . Hydrazinolysis of <fi>o</fi> ‐aminoester 2a gave acid hydrazide 3, which was cyclized with various electrophilic reagents including formic acid, triethyl orthoformate, acetic anhydride, <fi>p</fi> ‐chlorobenzaldehyde then triethyl orthoformate, carbon disulfide, and acetylacetone affording thienopyrimidine derivatives 4 to 10 . Another thienopyrimidine series could be obtained via treatment of <fi>o</fi> ‐aminocarbonitrile 2b with a variety of reagents giving derivatives 11 to 17 . The fluorescent measurements for a group of the synthesized compounds at room temperature demonstrated high fluorescent properties. </abstract> </span> <span class="z_kbtn z_kbtnclass hoverxs" style="display: none;">展开▼</span> </div> <div class="translation abstracttxt"> <span class="zhankaihshouqi fivelineshidden" id="abstract"> <span>机译：</span><Abstract Type =“Main”XML：Lang =“en”> <标题类型=“main”>抽象</ title> > 嘧啶硫醇的分子间环化 1 </ b> 用氯乙酸乙酯和氯乙腈提供Thieno [2,3- <fi> d </ fi> ]嘧啶 2a，b </ b> 。肼溶解 <fi </ fi> - 亚基酯 2a </ b> 给酸氢化肼 3，</ b> 用各种电泳试剂循环，包括甲酸，乙酸三乙酯，乙酸酐， <fi> p </ fi> -Chlorbenzaldehyde然后三乙醚，二硫化碳和乙酰丙酮提供噻吩吡啶衍生物 4 </ b> 到 10 </ b> 。通过治疗可以获得另一种噻吩甲酰胺系列 <fi </ fi> - 氨基羰基腈 2b </ b> 随着各种试剂给予衍生物 11 </ b> 到 17 </ b> 。在室温下为一组合成化合物的荧光测量表现出高荧光特性。 </ p> </摘要> </span> <span class="z_kbtn z_kbtnclass hoverxs" style="display: none;">展开▼</span> </div> </div> <div class="record"> <h2 class="all_title" id="enpatent33" >著录项</h2> <ul> <li> <span class="lefttit">来源</span> <div style="width: 86%;vertical-align: text-top;display: inline-block;"> <a href='/journal-foreign-34660/'>《Journal of Heterocyclic Chemistry: The International Journal of Heterocyclic Chemistry》</a> <b style="margin: 0 2px;">|</b><span>2020年第5期</span><b style="margin: 0 2px;">|</b><span>共9页</span> </div> </li> <li> <div class="author"> <span class="lefttit">作者</span> <p id="fAuthorthree" class="threelineshidden zhankaihshouqi"> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Abdel Hamid Atef M.&option=202" target="_blank" rel="nofollow">Abdel Hamid Atef M.;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Hamed Eman O.&option=202" target="_blank" rel="nofollow">Hamed Eman O.;</a> </p> <span class="z_kbtnclass z_kbtnclassall hoverxs" id="zkzz" style="display: none;">展开▼</span> </div> </li> <li> <div style="display: flex;"> <span class="lefttit">作者单位</span> <div style="position: relative;margin-left: 3px;max-width: 639px;"> <div class="threelineshidden zhankaihshouqi" id="fOrgthree"> <p>Department of Chemistry Faculty of ScienceZagazig UniversityZagazig Egypt;</p> <p>Department of Chemistry Faculty of ScienceZagazig UniversityZagazig Egypt;</p> </div> <span class="z_kbtnclass z_kbtnclassall hoverxs" id="zhdw" style="display: none;">展开▼</span> </div> </div> </li> <li > <span class="lefttit">收录信息</span> <span style="width: 86%;vertical-align: text-top;display: inline-block;"></span> </li> <li> <span class="lefttit">原文格式</span> <span>PDF</span> </li> <li> <span class="lefttit">正文语种</span> <span>eng</span> </li> <li> <span class="lefttit">中图分类</span> <span><a href="https://www.zhangqiaokeyan.com/clc/1184.html" title="有机化学">有机化学;</a></span> </li> <li class="antistop"> <span class="lefttit">关键词</span> <p style="width: 86%;vertical-align: text-top;"> </p> </li> </ul> </div> </div> <div class="literature cardcommon"> <div class="similarity "> <h3 class="all_title" id="enpatent66">相似文献</h3> <div class="similaritytab clearfix"> <ul> <li class="active" >外文文献</li> <li 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Synthesis and fluorescent properties of some Furan‐tagged Thieno[2,3‐ dd ]pyrimidines and Thieno[2,3‐ dd :4,5‐ dd ']dipyrimidines

摘要