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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 443331Generated: October 30, 2026

Tetramethylpyrazine → 2-(2-Hydroxy-2-p-methoxyphenylethyl)-3,5,6-trimethylpyrazine

https://huagongshe.com/reaction/443331

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTetramethylpyrazineHCID 14296—
Reactant4-MethoxybenzaldehydeHCID 31244—
Product2-(2-Hydroxy-2-p-methoxyphenylethyl)-3,5,6-trimethylpyrazineHCID 58594052.1%

Reaction Steps

The reaction of 13.6 grams (0.1 mole) of tetramethylpyrazine with 13.6 grams (0.1 mole) of p-anisaldehyde was conducted in the manner described in Example II. Crystallization of the recovered crude product from ether yielded 14.2 gram (52%) of white crystals, m.p. 97°-98° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04259969
Source datasetuspto-grants-1981_04
ORD IDord-7a845c1ad7944060a160e5adde949319
Source noteuspto-grants-1981_04