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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 462991Generated: October 25, 2026

Piperazine → 8-Methylamino-4-(1-oxido-thiomorpholino)-2-piperazino-pyrimido-[5,4-d]-pyrimidine

https://huagongshe.com/reaction/462991

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPiperazineHCID 4837—
Reactant2-Chloro-8-methylamino-4-(1-oxido-thiomorpholino)-pyrimido-[5,4-d]-pyrimidineHCID 12816998—
Solvent2,8-Dichloro-4-(1-oxido-thiomorpholino)-pyrimido[5,4-d]pyrimidineHCID 12816992—
Product8-Methylamino-4-(1-oxido-thiomorpholino)-2-piperazino-pyrimido-[5,4-d]-pyrimidineHCID 12817054—

Reaction Steps

This compound was prepared analogous to Example 118 from 2-chloro-8-methylamino-4-(1-oxido-thiomorpholino)-pyrimido-[5,4-d]-pyrimidine (m.p.: 278°-280° C.) and piperazine in dioxane at 80° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04518596
Source datasetuspto-grants-1985_05
ORD IDord-b9b3eae886db448c838979cb3fe07df0
Source noteuspto-grants-1985_05