What is Stollé-Becker synthesis?
The Stollé-Becker synthesis is a chemical process for creating 3-phenyl-4-cinnolinecarboxylic acid (IVa). This is achieved by treating N-benzylideneaminoisatin (IIIa) with an aqueous base.
References
- Stollé, R. and Becker, W. (1924), Über N-Amino-isatin. [On N-Amino-isatin] Ber. dtsch. Chem. Ges. A/B, 57: 1123-1124. https://doi.org/10.1002/cber.19240570712
