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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1577513Generated: October 30, 2026

Phosgene → HCID 20570875, compound

https://huagongshe.com/reaction/1577513

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPhosgeneHCID 6371—
ReactantHCID 20570870HCID 20570870—
ProductHCID 20570875HCID 2057087524%

Reaction Steps

2,3-Diamino-4,5-dimethyl-1-[2-hydroxy-3-(4-phenoxymethylpiperidino)-propoxy]-benzene trihydrochloride is reacted with phosgene analogously to Example 1 to give 4-[2-hydroxy-3-(4-phenoxymethylpiperidino)-propoxy]-6,7-dimethyl-2-benzimidazolinone hydrochloride in a yield of 24% of theory; m.p. 273°-275° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04288442
Source datasetuspto-grants-1981_09
ORD IDord-2f25fa453d824948a21aa1ecf86f3fc3
Source noteuspto-grants-1981_09