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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1704770Generated: October 31, 2026

N,N-Dimethyl-1,3-propanediamine → 8-ethyl-5-(dihydropyridazin-1-yl)-8H-pyrazolo[4',3':5,6]pyrido[3,4-e]-[1,2,4]triazolo[1,5-a]pyrimidine

https://huagongshe.com/reaction/1704770

Reaction equation

Participants

RoleNameHCIDCharge
ReactantN,N-Dimethyl-1,3-propanediamineHCID 7993—
ReactantDihydropyridazineHCID 426233—
Reactant8-Benzoyl-5-phenyloxy-8H-pyrazolo[4',3':5,6]pyrido[3,4-e][1,2,4]triazolo[1,5-a]pyrimidineHCID 22758505—
Product8-ethyl-5-(dihydropyridazin-1-yl)-8H-pyrazolo[4',3':5,6]pyrido[3,4-e]-[1,2,4]triazolo[1,5-a]pyrimidineHCID 22758506—

Reaction Steps

By substituting dihydropyridazine for the 3-(dimethylamino)propylamine in the procedure of Example 1 (c), 8-ethyl-5-(dihydropyridazin-1-yl)-8H-pyrazolo[4',3':5,6]pyrido[3,4-e]-[1,2,4]triazolo[1,5-a]pyrimidine is obtained.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04127655
Source datasetuspto-grants-1978_11
ORD IDord-ff7b03b5a138446dbecf38cb7ea192fe
Source noteuspto-grants-1978_11