Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2057914Generated: November 3, 2026

1-Methylpiperazine → 5,11-dihydro-11-[6-(4-methyl-1-piperazinyl)-caproyl]-6H-pyrido-[2,3-b][1,4]-benzodiazepine-6-one

https://huagongshe.com/reaction/2057914

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1-MethylpiperazineHCID 53167—
Reactant11-(6-chlorocaproyl)-5,11-dihydro-6H-pyrido[2,3-b][1,4]benzodiazepin-6-oneHCID 15924302—
Product5,11-dihydro-11-[6-(4-methyl-1-piperazinyl)-caproyl]-6H-pyrido-[2,3-b][1,4]-benzodiazepine-6-oneHCID 1592430436%

Reaction Steps

Using the procedure of Example 9, the product of Step A was reacted with 1-methyl-piperazine to obtain a 36% yield of 5,11-dihydro-11-[6-(4-methyl-1-piperazinyl)-caproyl]-6H-pyrido-[2,3-b][1,4]-benzodiazepine-6-one melting at 179°-181° C. after crystallization from ethyl acetate.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04213985
Source datasetuspto-grants-1980_07
ORD IDord-72b22703fc8740f2b6bb72ecd1a5de91
Source noteuspto-grants-1980_07