Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1707245Generated: October 31, 2026

1-Bromo-3,4-(methylenedioxy)benzene → 8-(Benzo[d][1,3]dioxol-5-yl)-1,4-dioxaspiro[4.5]decan-8-ol

https://huagongshe.com/reaction/1707245

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1-Bromo-3,4-(methylenedioxy)benzeneHCID 75831—
Reactant1,4-Dioxaspiro[4.5]decan-8-oneHCID 567415—
SolventTetrahydrofuranHCID 8028—
Product8-(Benzo[d][1,3]dioxol-5-yl)-1,4-dioxaspiro[4.5]decan-8-olHCID 1091284052%

Reaction Steps

A solution of 1,4-cyclohexanedione monoethylene ketal in dry THF was reacted with the Grignard reagent prepared from 4-bromo-1,2-methylenedioxybenzene as described in example 1 to give the product (52%, mp: 95°-96° C.). Calc'd for C15H18O5 : C, 64.74%; H, 6.52%. Found: C, 64.41%; H, 6.41%.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05352678
Source datasetuspto-grants-1994_10
ORD IDord-4c1ae5b631144b13be9ed77987ed31db
Source noteuspto-grants-1994_10