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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1285178Generated: October 30, 2026

Diethyl Carbonate → HCID 178481349, compound

https://huagongshe.com/reaction/1285178

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDiethyl CarbonateHCID 7766—
Reactant2-(Theophyllin-7-yl)-acetamidoximeHCID 3057490—
ReactantSodium MethoxideHCID 10942334—
SolventTolueneHCID 1140—
ProductHCID 178481349HCID 17848134982%

Reaction Steps

5.04 g. of 2-(theophylline-7-yl)-acetamidoxime, 2.16 g. of sodium methylate, 4.72 g. of diethyl carbonate and 100 cm3 of toluene are heated for 2 hours to boiling, the mixture is then evaporated and the residue crystallized from water. 4.3 g. (82% yield) of 7-[(5-hydroxy-1,2,4-oxadiazol-3-yl)-methyl]-theophylline are obtained. M.p.: 206°-207° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04565817
Source datasetuspto-grants-1986_01
ORD IDord-9f774ce5b3ef4a46ab30b25d3f122b4c
Source noteuspto-grants-1986_01