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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1576893Generated: October 30, 2026

Methanol → HCID 3950390, compound

https://huagongshe.com/reaction/1576893

Reaction equation

Participants

RoleNameHCIDCharge
ReactantMethanolHCID 887—
Reactant1H-Indene-1,3(2H)-dione, 2-nitro-HCID 77242—
SolventWaterHCID 962—
ProductHCID 3950390HCID 3950390—

Reaction Steps

A mixture of 2-nitroindane-1,3-dione (22.3g., 0.117 moles) and methanol (100 ml) was heated under reflux for 4 hours, cooled, poured into water (1 liter), allowed to stand overnight then filtered. The solid was extracted with 5% sodium bicarbonate solution (200 ml). The insoluble material was filtered off, dried, and recrystallised from ethanol to give the ψ-ester, 3-methoxy-3-nitromethylphthalide, m.p. 113°-114°. Acidification of the sodium bicarbonate filtrate, filtration and recrystallisation from ethanol gave the α-methyl ester, 2-methoxycarbonyl-ω-nitroacetophenone, m.p. 108°-9°.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS03983156
Source datasetuspto-grants-1976_09
ORD IDord-657f8aaf125744bea67d82c1fd38e695
Source noteuspto-grants-1976_09