6689-02-7Relevant academic research and scientific papers
New Solvatochromic Cyanine Dyes derived from 2-Methylbenzoquinolizinium Perchlorate
Arai, Sadao,Yamazaki, Masuo,Nagakura, Kimihiko,Ishikawa, Masanori,Hida, Mitsuhiko
, p. 1037 - 1038 (1983)
New solvatochromic cyanine dyes were obtained by the reaction between 2-methylbenzoquinolizinium perchlorate and hydroxy substituted benzaldehydes in the presence of piperidine.
Synthesis and Reaction of Methylbenzoquinolizinium Salts
Arai, Sadao,Yamazaki, Masuo,Hida, Mitsuhiko
, p. 1073 - 1078 (2007/10/02)
All isomers of (monomethyl)benzoquinolizinium salts including five new monomethyl derivatives were prepared by photocyclization, sulfur extrusion, or cyclodehydration reaction, and their aldol-type condensation was examined.The 2- and 4-methyl derivati
