CAS: 66943-05-3; 1,4,7,10-Tetraoxa-13-Azacyclopentadecane

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📜2-[2-[2-(2-氯乙氧基)乙氧基]乙氧基]乙醇置于sodium Hydroxide,Sodium Carbonate,对甲苯磺酰氯体系中,用 1,4-二氧六环 作为反应溶剂,化学反应 29.0H,反应生成 氮杂-15-冠醚-5
参考文献:N,N-二(低聚氧乙烯)胺的分子内环化:单氮杂冠醚的新合成
标题:N,N-二(低聚氧乙烯)胺的分子内环化:单氮杂冠醚的新合成
摘要:研究了在碱金属氢氧化物的存在下,N,N-二(低聚氧乙烯)胺与芳磺酰氯的反应.发现首先形成n,N-二(低聚氧乙烯)胺的单芳烃磺酸盐作为中间体,并且它们随后的分子内环化相当有选择地给出了n-未取代的单氮杂冠醚.
DOI:10.1016/0040-4020(82)80119-1

专利信息

专利号:US-11560357-B2
优先权日:2018-09-22
标题 :Methods of producing pyrazole compounds
发明人：GUPTA RAMESH CHANDRA; SINGARAVEL MOHAN; CHHIPA LAXMIKANT; KASUNDRA ASHOK
权利人:TORRENT PHARMACEUTICALS LTD
摘要:The present invention is directed to methods of producing substituted pyrazole based compounds through novel intermediates and unique processes for preparing such intermediates which enables synthesis of final product through commercially viable route of synthesis. The present invention is also directed to novel methods of producing substituted pyrazole based thyroid like compounds, and solid forms of 3-{4-[(7-hydroxy-6-methyl-indan-4-yl)methyl]-3,5-dimethyl-1H-pyrazol-1-yl}-propanoic acid, its pharmaceutical compositions, and methods of preparation thereof.

专利号:US-7186709-B2
优先权日:2002-08-27
标 题:Dihydropyrancarboxamides and uses thereof
发明人：SCHREIBER STUART L; STAVENGER ROBERT A; MITCHISON TIMOTHY J; MALIGA ZOLTAN
权利人:HARVARD COLLEGE
摘要:The present invention provides novel dihydropyrancarboxamide compounds of formula (I): n nand collections of these compounds, and provides methods for the synthesis of these compounds; wherein R 1 –R 6 are as defined herein. Additionally, the present invention provides pharmaceutical compositions and methods for treating disorders such as proliferative diseases, and cancer, to name a few.

专利号:US-7335791-B1
优先权日:2006-11-28
标题 :Process for the synthesis of hydroxy aromatic acids

专利号:US-7345194-B1
优先权日:2006-11-28
标题:Process for the synthesis of 2,5-dihydroxyterephthalic acid

专利号:US-2008139843-A1
优先权日:2006-11-28
标 题 :Process for the synthesis of hydroxy aromatic acids

专利号:US-2008161600-A1
优先权日:2006-11-28
标题 :Process for the synthesis of 2,5-dihydroxyterephtalic acid