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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1111216Generated: November 1, 2026

Diethyl acetylenedicarboxylate → HCID 15079783, compound

https://huagongshe.com/reaction/1111216

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDiethyl acetylenedicarboxylateHCID 69803—
ReactantHCID 15079735HCID 15079735—
SolventEthanolHCID 702—
ProductHCID 15079783HCID 15079783—

Reaction Steps

In the manner given in Example 27, 2-amino-7-nitro-5-(o-chlorophenyl)-3H-1,4-benzodiazepine was heated in ethanol with diethyl acetylenedicarboxylate to give 1-carboethoxy-9-nitro-7-(o-chlorophenyl)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-3d0244c9dad64fc884111eafad655805
Source noteuspto-grants-1990_12