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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2392609Generated: November 1, 2026

Tetrahydrofuran → HCID 18980280, compound

https://huagongshe.com/reaction/2392609

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTetrahydrofuranHCID 8028—
ReactantCalciumoxideHCID 6850728—
ReactantN-(3-aminopropyl)pyrimidin-2-amineHCID 14397405—
ReactantHCID 18980288HCID 18980288—
ProductHCID 18980280HCID 1898028036%

Reaction Conditions

Temperature160 °C

Reaction Steps

A mixture of 5-(3-chloropropoxy)-2,3-dihydro-1,4-benzodioxin (0.017 mol), N-2-pyrimidinyl-1,3-propanediamine (0.026 mol) and calcium oxid (5 g) in tetrahydro-furan (150 ml) was stirred overnight at 160° C. (pressure vessel). The mixture was cooled, filtered and the filtrate was evaporated. The residue was purified by column chromatography over silica gel (eluent: CH2Cl2 /(CH3OH/NH3) 95/5). The pure fractions were collected and the solvent was evaporated, yielding 2.66 g N-[3-[(2,3- dihydro-1,4-benzodioxin-5-yl)oxy]propyl]-N'-2-pyrimidinyl-1,3-propanediamine ethanedioate(1:1) (36.0%); mp. 200.2° C. (comp. 8)

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05801179
Source datasetuspto-grants-1998_09
ORD IDord-80f460c8c2c94a5f8b0d9c6889cd5789
Source noteuspto-grants-1998_09