117768-67-9Relevant articles and documents
POLYMERISATION OF INDOLE. PART 2. A NEW INDOLE TRIMER
Ishii, Hisashi,Murakami, Keiko,Sakurada(nee Kawanabe), Eri,Hosoya, Katsuhiro,Murakami, Yasuoki
, p. 2377 - 2386 (2007/10/02)
Treatment of indole (1) with toluene-p-sulphonic acid in benzene provided the 2,3'-indole trimer (4), a positional isomer of the well known 3,3'-indole trimer (3).The structure of the new trimer (4) was established by comparitive studies with the trimers (3) and (4).