Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2112513Generated: October 30, 2026

Hydrazine → 5-(2-chlorophenyl)-7-fluoro-8-(2-methoxyethoxy)-3-methyl-1,2-dihydropyrazolo[3,4-b][1,4]benzodiazepine

https://huagongshe.com/reaction/2112513

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrazineHCID 9321—
Reactant1,1-Dimethoxyethyl(dimethyl)amineHCID 87835—
ReactantHCID 57642342HCID 57642342—
Product5-(2-chlorophenyl)-7-fluoro-8-(2-methoxyethoxy)-3-methyl-1,2-dihydropyrazolo[3,4-b][1,4]benzodiazepineHCID 178496064—

Reaction Steps

5-(2-chlorophenyl)-1,2-dihydro-7-fluoro-8-methoxyethoxy-3-methyl-pyrazolo[3,4-b][1,4]benzodiazepine (IVf) was prepared by reacting 0.0026 moles of 5-(2-chlorophenyl)-1,3-dihydro-7-fluoro-8-methoxyethoxy-2H-1,4-benzodiazepin-2-thione (IIf) with 1,1-dimethoxy-N,N-dimethyl-ethanamine and then hydrazine in a manner analogous to Example 55.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07524840B2
Source datasetuspto-grants-2009_04
ORD IDord-eb63a659aed24a43b17bc49aadb4965a
Source noteuspto-grants-2009_04