Two novel 1,3-calix[4]azacrowns

Jong Seung Kim; Won Ku Lee; Kwanghyun No; Zouhair Asfari; Jacques Vicens

doi:10.1016/S0040-4039(00)00382-8

Two novel 1,3-calix[4]azacrowns

Jong Seung Kim, Won Ku Lee, Kwanghyun No, Zouhair Asfari, Jacques Vicens

Research output: Contribution to journal › Article › peer-review

52 Citations (Scopus)

Abstract

Two 1,3-calix[4]azacrowns-5 in the 1,3-alternate conformation have been constructed from calix[4]arene. They formed 1:1 endo and 1:2 endo-endo complexes with NH₄⁺ in CDCl₃. Comparison with 1,3-calix[4]-bis-crown-5 lead us to conclude a better binding by replacement of the central O atom by NH group in the crown. (C) 2000 Elsevier Science Ltd.

Original language	English
Pages (from-to)	3345-3348
Number of pages	4
Journal	Tetrahedron Letters
Volume	41
Issue number	18
DOIs	https://doi.org/10.1016/S0040-4039(00)00382-8
Publication status	Published - 2000 Apr 29
Externally published	Yes

Bibliographical note

Funding Information:
This research was fully supported by the Korea Research Foundation (BSRI Grant No. 1999-015-DP0203).

Copyright:
Copyright 2004 Elsevier Science B.V., Amsterdam. All rights reserved.

ASJC Scopus subject areas

Biochemistry
Drug Discovery
Organic Chemistry

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title = "Two novel 1,3-calix[4]azacrowns",

abstract = "Two 1,3-calix[4]azacrowns-5 in the 1,3-alternate conformation have been constructed from calix[4]arene. They formed 1:1 endo and 1:2 endo-endo complexes with NH4+ in CDCl3. Comparison with 1,3-calix[4]-bis-crown-5 lead us to conclude a better binding by replacement of the central O atom by NH group in the crown. (C) 2000 Elsevier Science Ltd.",

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note = "Funding Information: This research was fully supported by the Korea Research Foundation (BSRI Grant No. 1999-015-DP0203). Copyright: Copyright 2004 Elsevier Science B.V., Amsterdam. All rights reserved.",

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doi = "10.1016/S0040-4039(00)00382-8",

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T1 - Two novel 1,3-calix[4]azacrowns

AU - Kim, Jong Seung

AU - Lee, Won Ku

AU - No, Kwanghyun

AU - Asfari, Zouhair

AU - Vicens, Jacques

N1 - Funding Information: This research was fully supported by the Korea Research Foundation (BSRI Grant No. 1999-015-DP0203). Copyright: Copyright 2004 Elsevier Science B.V., Amsterdam. All rights reserved.

PY - 2000/4/29

Y1 - 2000/4/29

N2 - Two 1,3-calix[4]azacrowns-5 in the 1,3-alternate conformation have been constructed from calix[4]arene. They formed 1:1 endo and 1:2 endo-endo complexes with NH4+ in CDCl3. Comparison with 1,3-calix[4]-bis-crown-5 lead us to conclude a better binding by replacement of the central O atom by NH group in the crown. (C) 2000 Elsevier Science Ltd.

AB - Two 1,3-calix[4]azacrowns-5 in the 1,3-alternate conformation have been constructed from calix[4]arene. They formed 1:1 endo and 1:2 endo-endo complexes with NH4+ in CDCl3. Comparison with 1,3-calix[4]-bis-crown-5 lead us to conclude a better binding by replacement of the central O atom by NH group in the crown. (C) 2000 Elsevier Science Ltd.

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U2 - 10.1016/S0040-4039(00)00382-8

DO - 10.1016/S0040-4039(00)00382-8

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SN - 0040-4039

VL - 41

SP - 3345

EP - 3348

JO - Tetrahedron Letters

JF - Tetrahedron Letters

IS - 18

ER -

Two novel 1,3-calix[4]azacrowns

Abstract

Bibliographical note

ASJC Scopus subject areas

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