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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 267780Generated: October 31, 2026

Water → 3-hydroxy-3-isopropylaminomethyl-7-nitro-3,4-dihydro-2H-1,5-benzodioxepin

https://huagongshe.com/reaction/267780

Reaction equation

Participants

RoleNameHCIDCharge
ReactantWaterHCID 962—
ReactantSodium HydroxideHCID 14798—
Reactant3'-isopropyl-7-nitro-3,4-dihydro-2H-1,5-benzodioxepin-3-spiro-5'-oxazolidin-2'-oneHCID 15557327—
SolventEthanolHCID 702—
Product3-hydroxy-3-isopropylaminomethyl-7-nitro-3,4-dihydro-2H-1,5-benzodioxepinHCID 15557330—

Reaction Steps

A mixture of 0.15 mole of the oxazolidinone from Step B above and 15 g. (0.38 mole) of sodium hydroxide in 100 ml. of water and 200 ml. of 95% ethanol is refluxed, the solution evaporated to a small volume and the product extracted with diethyl ether. Evaporation of the solvent gives 3-hydroxy-3-isopropylaminomethyl-7-nitro-3,4-dihydro-2H-1,5-benzodioxepin.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS03944560
Source datasetuspto-grants-1976_03
ORD IDord-6b83179d5ad54f29948bf40418cf9d1b
Source noteuspto-grants-1976_03