Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 718112Generated: October 29, 2026

Phosphorus oxychloride → HCID 11820387, compound

https://huagongshe.com/reaction/718112

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPhosphorus oxychlorideHCID 24813—
Reactant1-Methyl-3,4-dihydro-1H-1,4-benzodiazepine-2,5-dioneHCID 3562387—
ProductHCID 11820387HCID 11820387—

Reaction Steps

The title compound 467 (1.54 g, 8.10 mmol) was heated in phosphorus oxychloride (15 mL) at 95° C. for 2 hours. The reaction mixture was then cooled to room temperature and excess of phosphorus oxychloride was removed under reduced pressure. The black oil was dissolved in ethyl acetate and the organic phase was washed with sodium bicarbonate (saturated solution) and brine, dried over sodium sulfate, filtered and concentrated to afford crude title compound 468 that was used as such for the next step. MS (ESI): 209.12 (MH)+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09193749B2
Source datasetuspto-grants-2015_11
ORD IDord-00498f7125bb4c3fb25e41046bac7fb5
Source noteuspto-grants-2015_11