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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 462585Generated: October 29, 2026

Methane → 2-(Dimethoxymethyl)-6-hydroxy-2,5,7,8-tetramethyl-chroman

https://huagongshe.com/reaction/462585

Reaction equation

Participants

RoleNameHCIDCharge
ReactantMethaneHCID 297—
Reactant2-(Dimethoxymethyl)-6-hydroxy-2,5,7,8-tetramethyl-chrom-3-eneHCID 13051541—
CatalystPalladiumHCID 23938—
SolventMethanolHCID 887—
Product2-(Dimethoxymethyl)-6-hydroxy-2,5,7,8-tetramethyl-chromanHCID 1305154297%

Reaction Steps

1.74 g (0.63 mmole) of the chromene obtained in Example 7 were hydrogenated in 30 ml of methanol at room temperature and under atmospheric pressure using 0.15 g of a supported catalyst comprising 10% by weight of Pd on active charcoal, in the course of 16 hours. Conventional working up gave the above compound, in 97% yield, as white crystals of melting point 102°-106° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04515975
Source datasetuspto-grants-1985_05
ORD IDord-ca3428634f6d4924ad011f34d161f89b
Source noteuspto-grants-1985_05