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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1390375Generated: November 3, 2026

Methyl Chloride → 1-Methyl-5-phenyl-1H-1,5-benzodiazepine-2,4(3H,5H)-dione

https://huagongshe.com/reaction/1390375

Reaction equation

Participants

RoleNameHCIDCharge
ReactantMethyl ChlorideHCID 6327—
ReactantSodium ethoxideHCID 2723922—
ReactantN-Desmethyl Dechloro ClobazamHCID 10824683—
Product1-Methyl-5-phenyl-1H-1,5-benzodiazepine-2,4(3H,5H)-dioneHCID 14697657—

Reaction Steps

Starting from 1-phenyl 1,2,4,5-tetrahydro 2,4-dioxo 3H-1,5-benzodiazepine, obtained in the example VIII, by acting methyl chloride in the presence of sodium ethanolate, there is obtained 1-phenyl 5-methyl 1,2,4,5-tetrahydro 2,4-dioxo 3H-1,5-benzodiazepine, melting at 144°-146° C. after recrystallisation in isopropanol.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04138572
Source datasetuspto-grants-1979_02
ORD IDord-58c11ef0bf4f4a4ca476ddebe27489a2
Source noteuspto-grants-1979_02