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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 65846Generated: October 25, 2026

Dimethyl Sulfate → 4',5'-Dihydro-8-methoxypsoralen

https://huagongshe.com/reaction/65846

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDimethyl SulfateHCID 6497—
Reactant2,3-Dihydro-9-hydroxy-7H-furo[3,2-g][1]benzopyran-7-oneHCID 106648—
Product4',5'-Dihydro-8-methoxypsoralenHCID 77409—

Reaction Steps

The process of claim 1, in which the 2,3-dihydroxanthotoxol of step 4 is methylated with dimethyl sulfate to form 2,3-dihydroxanthotoxin.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04129576
Source datasetuspto-grants-1978_12
ORD IDord-4ec8e874c6864dfaa1c7311cb1f257a8
Source noteuspto-grants-1978_12