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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1704839Generated: October 26, 2026

2-Chloroethylamine → 4-(2-aminoethyl)-2,6-dimethyl-8-ethyl-4H-pyrazolo[1,5-a]pyrazolo[4',3':5,6]pyrido[3,4-e]pyrimidin-5(8H)-one

https://huagongshe.com/reaction/1704839

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-ChloroethylamineHCID 13369—
Reactant3-Chloro-N,N-dimethyl-1-propanamineHCID 66960—
Reactant2,6-dimethyl-8-ethyl-4H-pyrazolo-[1,5-a]pyrazolo[4',3':5,6]pyrido[3,4-e]pyrimidin-5(8H)-oneHCID 135705377—
Product4-(2-aminoethyl)-2,6-dimethyl-8-ethyl-4H-pyrazolo[1,5-a]pyrazolo[4',3':5,6]pyrido[3,4-e]pyrimidin-5(8H)-oneHCID 22757460—

Reaction Steps

By substituting the 2,6-dimethyl-8-ethyl-4H-pyrazolo[1,5-a]pyrazolo[4',3':5,6]pyrido[3,4-e]pyrimidin-5(8H)-one obtained in Example 16 in the procedure of Example 4 and substituting 2-chloroethylamine for the dimethylaminopropyl chloride, 4-(2-aminoethyl)-2,6-dimethyl-8-ethyl-4H-pyrazolo[1,5-a]pyrazolo[4',3':5,6]pyrido[3,4-e]pyrimidin-5(8H)-one is obtained.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04127657
Source datasetuspto-grants-1978_11
ORD IDord-a49abb44783641b9aee3c7e5de5aff2c
Source noteuspto-grants-1978_11