904686-35-7Relevant articles and documents
A color version of the Hinsberg test: permethylated cyclodextrin and crown-appended azophenol for highly selective sensing of amines
Jung, Jong Hwa,Lee, Hye Young,Jung, Sung Ho,Lee, Soo Jin,Sakata, Yoshiteru,Kaneda, Takahiro
, p. 6705 - 6710 (2008)
Azophenol dyes 1-5 having the permethylated cyclodextrin and/or crown moieties have been synthesized. Compounds 1 and 2 provide critical information for discrimination among 1°-3° amines by unique color changes. Addition of 1° and 2° amines to solutions o