Syntheses of New Macrocyclic Crown Ethers Containing Methyl Groups

메틸기를 포함한 새로운 거대고리 크라운 에테르의 합성

  • 장승현 (대구대학교 자연과학대학 화학과) ;
  • 김동준 (대구대학교 자연과학대학 화학과) ;
  • 김재용 (대구대학교 자연과학대학 화학과) ;
  • 이갑덕 (동국대학교 자연과학대학 화학과)
  • Published : 19940300

Abstract

Five new crown ethers containing methyl groups were synthesized. 2,3,4,5: 9,10,11,12-Dibenzo-8,8-dimethyl-15,18,1-trioxacycloeicosane, 2,3,4,5: 9,10,11,12-dibenzo-8,8-dimethyl-15,18,21,1-tetraoxacyclotricosane, 2,3,4,5 : 9,10,11,12-dibenzo-8,8-dimethyl-15,18,21,24,1-pentaoxacyclohexacosane, 2,3,4,5 : 9,10,11,12 : 22,23,24,25 : 29,30,31,32-tetrabenzo-8,8,28,28-tetramethyl-15,18,21,35,38,1-hexaoxacyclotetracontane and 2,3,4,5 : 9,10,11,12 : 25,26,27,28:32,33,34,35-tetrabenzo-8,8,31,31-tetramethyl-15,18,21,24,38,41,44,1-octaoxacyclohexatetracontane were synthesized by reaction of 4,4'-isopropylidenediphenol with di-, tri-and tetraethyleneglycol ditosylate in the presence of MOH(M = Na, K). Di-, tri- and tetraethyleneglycol ditosylate were synthesized by reaction of p-toluenesulfonylchloride with diethyleneglycol, triethyleneglycol and tetraethyleneglycol in the presence of NaOH.

Keywords

References

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