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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 478072Generated: November 1, 2026

3,4-Dihydro-2-methoxy-2-methyl-2H-1-benzopyran → 4,4a,5,6-Tetrahydro-2(3H)-naphthalenone

https://huagongshe.com/reaction/478072

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3,4-Dihydro-2-methoxy-2-methyl-2H-1-benzopyranHCID 15054836—
ReactantHCID 19835400HCID 19835400—
Product4,4a,5,6-Tetrahydro-2(3H)-naphthalenoneHCID 277448—

Reaction Steps

This material is prepared according to the procedure for Preparation 3 wherein 2-methoxy-2-methylchroman is substituted for 6-methyl-2-methoxy-2-methylchroman.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04889947
Source datasetuspto-grants-1989_12
ORD IDord-430aede6b71d44c59ce247fac55a3e2c
Source noteuspto-grants-1989_12