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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 647472Generated: October 30, 2026

Aminoacetamidine Dihydrobromide → 2-Amino-7-acetyl-6,7,8,9-tetrahydro-5H-pyrazino[2,3-d]azepine

https://huagongshe.com/reaction/647472

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAminoacetamidine DihydrobromideHCID 16211382—
Reactant1-Acetyl-hexahydroazepine-3,4-dioneHCID 20436442—
Reactant1-Acetyl-hexahydroazepine-4,5-dioneHCID 20485032—
Product2-Amino-7-acetyl-6,7,8,9-tetrahydro-5H-pyrazino[2,3-d]azepineHCID 13037043—

Reaction Steps

This compound was prepared analogous to Example 13 by reacting a mixture of 1-acetyl-hexahydroazepine-4,5-dione and 1-acetyl-hexahydroazepine-3,4-dione (prepared from 1-acetylhexhydroazepine-4-ones by selenium dioxide oxidation in dioxane/water) with 2-amino-acetamidine dihydrobromide.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04409220
Source datasetuspto-grants-1983_10
ORD IDord-06b9fec509c543c0b17bd18ab19b07e5
Source noteuspto-grants-1983_10