Download PDF Opens in a new window. Article suggestions will be shown in a dialog on return to ScienceDirect. ... Please enable JavaScript to use all the features on this page. ... A synthesis of the title compound, operable on kilogram scale, employs reductive acetylation of an N-acylindazole to give a hemiaminal acetate followed by deacetoxylation to the corresponding N-alkylindazole. ... The two-step method avoids C–N bond cleavage, which ...