195374-75-5Relevant academic research and scientific papers
3,3-Diaryl-3H-2,1-benzoxathiole 1-oxides: New sultine colour-formers for carbonless imaging
Katritzky, Alan R.,Zhang, Zhongxing,Lang, Hengyuan,Jubran, Nusrallah,Leichter, Louis M.,Sweeny, Norman
, p. 1399 - 1404 (1997)
Lithiations of N-phenylbenzenesulfinamides followed by treatment with Michler's ketone and subsequent cyclizations during acidic workup provide 3,3-diaryl-3H-2,1-benzoxathiole 1-oxides in reasonable to good yields. The title compounds 11a, c-e, h develop dark-blue colours in acidic media.
SULTINE COLOR-FORMER COMPOUNDS AND THEIR USE IN CARBONLESS COPY PAPER
-
, (2008/06/13)
This invention includes novel sultine compounds and the reaction of these compounds to form colored compounds. The invention also includes the use of these color-forming compounds in the manufacture and imaging of thermal imaging papers and pressure-sensi
