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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1704842Generated: October 25, 2026

Diethylaminoethyl chloride → 4-[2-(diethylamino)ethyl]-2,8,10-trimethyl-4H-pyrazolo[1,5-a]-pyrazolo[4',3':5,6]pyrido[3,4-e]pyrimidin-5(8H)-one

https://huagongshe.com/reaction/1704842

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDiethylaminoethyl chlorideHCID 13364—
Reactant3-Chloro-N,N-dimethyl-1-propanamineHCID 66960—
Reactant2,8,10-trimethyl-4H-pyrazolo[1,5-a]pyrazolo[4',3':5,6]pyrido-[3,4-e]pyrimidin-5(8H)-oneHCID 135705379—
Product4-[2-(diethylamino)ethyl]-2,8,10-trimethyl-4H-pyrazolo[1,5-a]-pyrazolo[4',3':5,6]pyrido[3,4-e]pyrimidin-5(8H)-oneHCID 22757474—

Reaction Steps

By substituting diethylaminoethyl chloride for the dimethylaminopropyl chloride and utilizing the 2,8,10-trimethyl-4H-pyrazolo[1,5-a]pyrazolo[4',3':5,6]pyrido[3,4-e]pyrimidin-5(8H)-one product of Example 12 instead of 8-ethyl-2-methyl-4H-pyrazolo[1,5-a]pyrazolo[4',3':5,6]pyrido[3,4-e]pyrimidin-5(8H)-one in the procedure of Example 4, 4-[2-(diethylamino)ethyl]-2,8,10-trimethyl-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-276d0e766bbe4307b09069d94158dbf7
Source noteuspto-grants-1978_11