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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 61733Generated: October 25, 2026

1-(2-Hydroxyethyl)piperazine → 8-[4-(2-Hydroxy-ethyl)-piperazin-1-yl]-6,6-dimethyl-11-oxo-6,11-dihydro-5H-benzo[b]carbazole-3-carbonitrile

https://huagongshe.com/reaction/61733

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1-(2-Hydroxyethyl)piperazineHCID 7677—
ReactantTrifluoro-methanesulfonic acid 3-cyano-6,6-dimethyl-11-oxo-6,11-dihydro-5H-benzo[b]carbazol-8-yl esterHCID 86663817—
Product8-[4-(2-Hydroxy-ethyl)-piperazin-1-yl]-6,6-dimethyl-11-oxo-6,11-dihydro-5H-benzo[b]carbazole-3-carbonitrileHCID 66834110—

Reaction Steps

According to the same method as the method for synthesizing Compound B2-1, the title compound was prepared from Compound B1 and N-(2-hydroxyethyl)piperazine.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09440922B2
Source datasetuspto-grants-2016_09
ORD IDord-3b90d6f8eada42d88c28bd23c34a5fee
Source noteuspto-grants-2016_09