Introduction
BB Forum team glad to represent elementary and simple ADB-PINACA synthesis, which is not require rare or elaborated equipment. There is step-by-step video guide and clear write up about ADB-PINACA formation with a good yield. This synthesis can be repeated even by chemistry...
Methyl 1H-Indazole-3-carboxylate
1. A solution of indazole-3-carboxylic acid (100 g) in MeOH (1500 ml) was treated with conc. H2SO4 (100 ml).
2. Heated at reflux for 4 h.
3. The mixture was concentrated in vacuo and dissolved in EtOAc (2500 ml).
4. The organic phase was washed with sat. aq...