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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1834518Generated: October 26, 2026

Methyl iodide → 2-methyl-4-phenylmethyl-4H-pyrazolo[1,5-a]pyrazolo[4',3':5,6]pyrido-[3,4-e]pyrimidin-5(8H)-one

https://huagongshe.com/reaction/1834518

Reaction equation

Participants

RoleNameHCIDCharge
ReactantMethyl iodideHCID 6328—
ReactantBenzyl iodideHCID 12098—
Reactant2-methyl-4H-pyrazolo[1,5-a]pyrazolo-[4',3':5,6]pyrido[3,4-e]pyrimidin-5(8H)-oneHCID 135705382—
Reactant8-ethyl-2-methyl-4-H-pyrazolo[1,5-a]pyrazolo[4',3':5,6]pyrido[3,4-e]pyrimidin-5(8H)-oneHCID 135839410—
Product2-methyl-4-phenylmethyl-4H-pyrazolo[1,5-a]pyrazolo[4',3':5,6]pyrido-[3,4-e]pyrimidin-5(8H)-oneHCID 22757488—

Reaction Steps

By substituting the 2-methyl-4H-pyrazolo[1,5-a]pyrazolo-[4',3':5,6]pyrido[3,4-e]pyrimidin-5(8H)-one of Example 8 for the 8-ethyl-2-methyl-4H-pyrazolo[1,5-a]pyrazolo[4',3':5,6]-pyrido[3,4-e]pyrimidin-5(8H)-one and benzyl iodide for the methyl iodide in the procedure of Example 1 c, 2-methyl-4-phenylmethyl-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 numberUS04070466
Source datasetuspto-grants-1978_01
ORD IDord-edfadccb01794a3fae972fd3684881df
Source noteuspto-grants-1978_01