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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1789504Generated: October 30, 2026

Sodium Carbonate → HCID 21241621, compound

https://huagongshe.com/reaction/1789504

Reaction equation

Participants

RoleNameHCIDCharge
ReactantSodium CarbonateHCID 10340—
ReactantDimethylacetamideHCID 31374—
Reactant4-(2-Methyl-1,3-dioxolan-2-yl)piperidineHCID 21241583—
ReactantHCID 131715235HCID 131715235—
SolventWaterHCID 962—
ProductHCID 21241621HCID 21241621100%

Reaction Conditions

Temperature75 °C

Reaction Steps

A mixture of 22.5 parts of 2,3-dihydro-1,4-benzodioxin-2-methanol 4-methylbenzenesulfonate (ester), 11.1 parts of 4-(2-methyl-1,3-dioxolan-2-yl)piperidine, 15 parts of sodium carbonate and 135 parts of N,N-dimethylacetamide was stirred overnight at 75° C. Water was added. The product was extracted with 4-methyl-2-pentanone. The extract was dried, filtered and evaporated, yielding 20.6 parts (100%) of 1-[(2,3-dihydro-1,4-benzodioxin-2-yl)methyl]-4-(2-methyl-1,3-dioxolan-2-yl)piperidine as an oily residue (intermediate 86).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04689330
Source datasetuspto-grants-1987_08
ORD IDord-ce4481d3c1e949b698e956653885160d
Source noteuspto-grants-1987_08