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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1111209Generated: October 31, 2026

1,1'-Carbonyldiimidazole → HCID 15079772, compound

https://huagongshe.com/reaction/1111209

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1,1'-CarbonyldiimidazoleHCID 68263—
Reactant3-Pentynoic acidHCID 142106—
ReactantHCID 15079766HCID 15079766—
Solventtetrahydrofuran N,N-dimethylformamideHCID 21974620—
ProductHCID 15079772HCID 15079772—

Reaction Steps

In the manner given in Example 16, carbonyldiimidazole, 3-pentynoic acid and 2-amino-8-ethylthio-7-ethyl-5-(p-methylphenyl)-3H-1,4-benzodiazepine were stirred in tetrahydrofuran-dimethylformamide to give 10-ethylthio 1,9-diethyl-7-(p-methylphenyl)pyrimido[1,2-a][1,4]benzodiazepin-3(5H)-one.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04978753
Source datasetuspto-grants-1990_12
ORD IDord-6735d300c7bb4b8ea93033ca534bc750
Source noteuspto-grants-1990_12