Benzocrown derivatives as ionophores for alkali cations, III. Synthesis of ring‐cleaved analogues of benzocrown ethers a novel method for building up crown ether rings

László Tőke, István Bitter, Béla Ágai, Zoltán Hell, Ernő Lindner, Klára Tóth, Mária Horváth, Áron Szöllősy, Salman Harfouch, Ernő Pungor

Research output: Article

8 Citations (Scopus)

Abstract

Several ring‐cleaved analogues (9,11a,b) of bis(benzo‐15‐crown‐5)‐urethanes (1a, b) were prepared to study the change of complexation by electroanalytical methods. The syntheses of the title compounds (9,11a,b) were accomplished in two ways: starting from 4‐nitroveratrole (2) via intermediates 3–8 to give compound 9 and by alkaline hydrolytic cleavage of 4‐nitrobenzocrown ethers (10a,b) then by subsequent steps yielding 11a,b.

Original languageEnglish
Pages (from-to)761-763
Number of pages3
JournalLiebigs Annalen der Chemie
Volume1988
Issue number8
DOIs
Publication statusPublished - 1988

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Crown Ethers
urethanes
Ethers
Urethane
Ionophores
Alkalies
Complexation
Cations
cleavage
ethers
alkalies
analogs
Derivatives
cations
rings
synthesis

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Organic Chemistry

Cite this

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title = "Benzocrown derivatives as ionophores for alkali cations, III. Synthesis of ring‐cleaved analogues of benzocrown ethers a novel method for building up crown ether rings",
abstract = "Several ring‐cleaved analogues (9,11a,b) of bis(benzo‐15‐crown‐5)‐urethanes (1a, b) were prepared to study the change of complexation by electroanalytical methods. The syntheses of the title compounds (9,11a,b) were accomplished in two ways: starting from 4‐nitroveratrole (2) via intermediates 3–8 to give compound 9 and by alkaline hydrolytic cleavage of 4‐nitrobenzocrown ethers (10a,b) then by subsequent steps yielding 11a,b.",
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language = "English",
volume = "1988",
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T1 - Benzocrown derivatives as ionophores for alkali cations, III. Synthesis of ring‐cleaved analogues of benzocrown ethers a novel method for building up crown ether rings

AU - Tőke, László

AU - Bitter, István

AU - Ágai, Béla

AU - Hell, Zoltán

AU - Lindner, Ernő

AU - Tóth, Klára

AU - Horváth, Mária

AU - Szöllősy, Áron

AU - Harfouch, Salman

AU - Pungor, Ernő

PY - 1988

Y1 - 1988

N2 - Several ring‐cleaved analogues (9,11a,b) of bis(benzo‐15‐crown‐5)‐urethanes (1a, b) were prepared to study the change of complexation by electroanalytical methods. The syntheses of the title compounds (9,11a,b) were accomplished in two ways: starting from 4‐nitroveratrole (2) via intermediates 3–8 to give compound 9 and by alkaline hydrolytic cleavage of 4‐nitrobenzocrown ethers (10a,b) then by subsequent steps yielding 11a,b.

AB - Several ring‐cleaved analogues (9,11a,b) of bis(benzo‐15‐crown‐5)‐urethanes (1a, b) were prepared to study the change of complexation by electroanalytical methods. The syntheses of the title compounds (9,11a,b) were accomplished in two ways: starting from 4‐nitroveratrole (2) via intermediates 3–8 to give compound 9 and by alkaline hydrolytic cleavage of 4‐nitrobenzocrown ethers (10a,b) then by subsequent steps yielding 11a,b.

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