Synthesis of a new class of difunctional tetraphenylene crown ethers

HW Gibson, DS Nagvekar, Y Delaviz…

Index: Gibson, Harry W.; Nagvekar, Devdatt S.; Delaviz, Yadollah; Bryant, William S. Canadian Journal of Chemistry, 1998 , vol. 76, # 10 p. 1429 - 1436

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Citation Number: 9

Abstract

Three new substituted tetraphenylene crown ethers have been made. Bis (5-carbomethoxy- 1, 3-phenylene)-bis (p-phenylene)-(3 x+ 6)-crown-x, where x= 12, 16, and 20 (11b-11d) were synthesized via [1+ 1] cyclization of methyl 3, 5-bis [omega-chloro (oligoethyleneoxy)] benzoates (13b-3d) with methyl 3, 5-bis [omega-(p-hydroxyphenoxy)(oligoethyleneoxy)] benzoates (16b-6d) using K2CO3 as base and tetrabutylammonium iodide as a phase ...

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