CAS: 41024-91-3; Pentaethylene Glycol Di-P-Toluenesulfonate

上下游产品

ethylene glycol 1,2-bis(2-chloroethoxy)ethane p-toluenesulfonyl chloride Pentaethylene glycol(1,4,7,10,13,16-Hexaoxa-cyclo°Ctadec-2-ylmethyl)-phenyl-amine tetracosane3-phenyl-2,4,8,11,14,17,20,23-°Ctaoxaspiro5.18tetracosane -1,4,7,10,13,16-hexaoxacyclo°Ctadecan(+)-(Methyl-5-O-benzyl-2,3-didesoxy-β-D-ribofuranosido)2,3-b-1,4,7,10,13,16-hexaoxacyclo°Ctadecan N-cyano monoaza 15-crown-5

📜1,2-二(2-氯乙氧基)乙烷置于potassium Hydroxide,Sodium Hydroxide体系中,用 四氢呋喃,水 作为反应溶剂,化学反应 39.0H,反应生成 二对甲苯磺酸戊乙二醇
参考文献:带有松香酸基团的新型c 1对称手性冠醚:铵盐的合成和对映体识别
标题:带有松香酸基团的新型c 1对称手性冠醚:铵盐的合成和对映体识别
摘要:合成了四种新型的c 1-对称的手性冠醚,包括28冠8,20冠6,17冠5和14冠3(9A-M),以及它们与质子化伯胺的对映能力. (10-14)人接受了1次检查1 H NMR光谱.20冠6冠醚对这些客体表现出非常好的手性识别特性,并且与某些手性客体表现出不同的互补性,表明20冠6冠醚可以用作手性NMR溶剂确定这些客人的对映体纯度.此外,还通过计算建模和实验计算研究了宿主与客体之间的结合模型和结合位点.
DOI:10.1016/j.Tet.2014.10.050

专利信息

专利号:US-2024400533-A1
优先权日:2023-06-02
标题 :General Solid-Phase Synthesis of Crown Ethers
发明人：TRANT JOHN F; NASRI SARAH; HAYWARD JOHN J
权利人:UNIV OF WINDSOR
摘要:In a preferred embodiment, there is provided a method for preparing a crown ether, the method comprising: loading a resin having a resin functional group with a linking compound having a functional group selected for coupling to the resin functional group and at least two carbon atoms each having a substituent; coupling the linking compound to a polyethylene glycol having two terminal carbon atoms each bonded to an optionally protected terminal hydroxyl group to obtain a cyclized intermediate, whereby one said at least two carbon atoms or the substituent and an associated one of the two terminal carbon atoms or the hydroxyl groups undergo a coupling or substitution reaction; and removing the linking compound and the cyclized intermediate from the resin.

专利号:US-2016060285-A1
优先权日:2010-12-14
标 题:Aminoglycosides, Methods of Synthesis, and Associated Applications
发明人：CHANG CHENG-WEI; TAKEMOTO JON Y
权利人:CHANG CHENG-WEI; TAKEMOTO JON Y; UNIV UTAH STATE
摘要:A fungicidal compound that includes an aminoglycoside, or salt thereof, having the formula: n n n n n n n n n n where R 1 is a H; a C 1 to C 20 branched or straight alkyl; an unsubstituted phenyl; a substituted phenyl, wherein phenyl group may be C 1 to C 6 alkyl substituted; or a polyethylene glycol —(CH 2 CH 2 O) n R 5 — unit, wherein n=1 to 10 and R 5 â•?H or C 1 to C 20 branched or straight alkyl; R 2 is a H; a C 1 to C 20 branched or straight alkyl; an unsubstituted phenyl; a substituted phenyl, wherein phenyl group may be C 1 to C 10 alkyl substituted; or a polyethylene glycol —(CH 2 CH 2 O) n R 5 — unit, wherein n=1 to 10 and R 5 â•?H or C 1 to C 20 branched or straight alkyl; R 3 is H or OH; and R 4 is OH or NH 2 .