Hydrazine, (4-chlorophenyl)-, hydrochloride (1:1) → 2-(4-Chloro-2-fluorophenyl)-1,2,4,5,6,7-hexahydro-3H-indazol-3-one

Participants

Role	Name	HCID	Charge
Reactant	Hydrazine, (4-chlorophenyl)-, hydrochloride (1:1)	HCID 71600	—
Reactant	(4-Chloro-2-fluorophenyl)hydrazine hydrochloride	HCID 2782933	—
Reactant	2-(4-chlorophenyl)-4,5,6,7-tetrahydro-2H-indazol-3-ol	HCID 16490613	—
Product	2-(4-Chloro-2-fluorophenyl)-1,2,4,5,6,7-hexahydro-3H-indazol-3-one	HCID 22748281	—

Reaction Steps

By substituting 4-chlorophenylhydrazine hydrochloride in the above procedure for 4-chloro-2-fluorophenylhydrazine hydrochloride, 2-(4-chlorophenyl)-1,2,4,5,6,7-hexahydro-3H-indazol-3-one was prepared, m.p. 183.5°-185° (Lit 186°-187°, Chem. Abs., 67 1145h).

Provenance & Evidence

DOI	10.6084/m9.figshare.5104873.v1
Patent number	US04111681
Source dataset	uspto-grants-1978_09
ORD ID	ord-1cec0b3124bb4178a55902d830e9defb
Source note	uspto-grants-1978_09