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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 237091Generated: October 30, 2026

5-(p-Fluorophenyl)-3-hydrazino-1,2,4-triazine → 7-(p-Fluorophenyl)-3-methyl-1,2,4-triazolo[4,3-b]-1,2,4-triazine

https://huagongshe.com/reaction/237091

Reaction equation

Participants

RoleNameHCIDCharge
Reactant5-(p-Fluorophenyl)-3-hydrazino-1,2,4-triazineHCID 12748649—
ReactantEthyl ortho-acetateHCID 86598186—
Product7-(p-Fluorophenyl)-3-methyl-1,2,4-triazolo[4,3-b]-1,2,4-triazineHCID 21315225—

Reaction Steps

A mixture of 0.57 g. of 5-(p-fluorophenyl)-3-hydrazino-1,2,4-triazine and 20 ml. of ethyl orthoacetate is refluxed for 4 hours, cooled and filtered. The desired product is recovered as a brown solid, m.p. 227.5°-231° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04159375
Source datasetuspto-grants-1979_06
ORD IDord-ef24a053df5940b8aa1d2965c95e8aba
Source noteuspto-grants-1979_06