α-CD/Crown-appended diazophenol for selective sensing of amines = 아민의 선택적인 센스에 대한 알파-CD/크라운부착 디아조페놀

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Title
α-CD/Crown-appended diazophenol for selective sensing of amines = 아민의 선택적인 센스에 대한 알파-CD/크라운부착 디아조페놀
Author(s)
J H Jung; S J Lee; J S Kim; Woo Song Lee; Y Sakata; T Kaneda
Bibliographic Citation
Organic Letters, vol. 8, no. 14, pp. 3009-3012
Publication Year
2006
Abstract
Azophenol dyes having the permethylated cyclodextrin and/or crown moieties have been synthesized. Compound 1 provides critical information on discriminating 1-3° amines with unique color changes. Addition of 1° and 2° amines to 1 shifts the absorbance maximum of 1 from 380 to ∼580 and ∼530 nm, respectively, but no change is observed with 3° amines. The high selectivity of 1 is mainly due to H-bonding between the ammonium H atoms of the amine and oxygen atoms of the crown-6.
ISSN
1523-7060
Publisher
Amer Chem Soc
DOI
http://dx.doi.org/10.1021/ol060923k
Type
Article
Appears in Collections:
Jeonbuk Branch Institute > Functional Biomaterial Research Center > 1. Journal Articles
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