The indazole synthesis Diaries
Notably, remedy of bromoacetophenone and bromobenzaldehyde with ArNHNH2·HCl and thirty wt% of powdered 4 Å molecular sieves during the presence of CuI and K2CO3 also afforded the specified compounds in excellent yields.′-arylacetohydrazides 18 with each electron-donating and -withdrawing substituents within the para-web-site from the aromatic r