Synthesis of Functional Aromatic Multisulfonyl Chlorides and Their Masked Precursors
作者:Virgil Percec、Tushar K. Bera、Binod B. De、Yasuyuki Sanai、Jason Smith、Marian N. Holerca、Bogdan Barboiu、Robert B. Grubbs、Jean M. J. Fréchet
DOI:10.1021/jo001694x
日期:2001.3.1
yl)phenoxyacetyl]oxy]methyl]-1,3-propanediyl ester (27), 5,11,17,23-tetrakis(chlorosulfonyl)-25,26,27,28-tetrakis(ethoxycarbonylmethoxy)calix[4]arene (38), 5,11,17,23,29,35-hexakis(chlorosulfonyl)-37,38,39,40,41,42-hexakis(ethoxycarbonylmethoxy)calix[6]arene (39), 5,11,17,23,29,35,41,47-octakis(chlorosulfonyl)-49,50,51,52,53,54,55,56-octakis(ethoxycarbonylmethoxy)calix[8]arene (40), 5,11,17,23-tet
含有苯乙酮和两个磺酰氯基团的功能性芳族双(磺酰氯)的合成,即3,5-双[4-(氯磺酰基)苯基] -1-乙酰苯(16),3,5-双(氯磺酰基) -1-苯乙酮(17)和3,5-双(4-(氯磺酰基)苯氧基)-1-苯乙酮(18)通过一系列反应进行,最后一步涉及S-(芳基)的定量氧化氯化-描述了N,N′-二乙基硫代氨基甲酸酯,烷基-或苄基硫代苯基作为磺酰氯的掩蔽的非反应性前体。相关的反应顺序用于合成芳族三磺酰氯1,1,1-三(4-氯磺酰苯基)乙烷(24)。4-(氯磺酰基)苯氧基乙酸,2,2-双[[[[(4-(氯磺酰基)苯氧基乙酰基]氧基]甲基] -1,3-丙二酸酯(27),5,11,17,23-四(氯磺酰基) -25,26,27,28-四(乙氧羰基甲氧基)杯[4]芳烃(38),5,11,17,23,29,35-六(氯磺酰基)-37,38,39,40,41,42-六(乙氧羰基甲氧基)杯[ 6]芳烃(39),5