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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 329899Generated: October 25, 2026

Formaldehyde → HCID 19807496, compound

https://huagongshe.com/reaction/329899

Reaction equation

Participants

RoleNameHCIDCharge
ReactantFormaldehydeHCID 712—
Reactant2,6-DimethoxyphenolHCID 7041—
ReactantHCID 178418395HCID 178418395—
CatalystDibutylamineHCID 8148—
SolventEthanolHCID 702—
ProductHCID 19807496HCID 1980749682%

Reaction Steps

16.7 g of mercaptobenzothiazole, 3.0 g of paraformaldehyde, 15.4 g of 2,6-dimethoxyphenol and 1 g dibutylamine are heated at 110°, with rapid stirring, for 2 hours. 50 ml of ethanol are added and the mixture cooled to 10° thereby obtaining 27.3 g of 3-(3,5-dimethoxy-4-hydroxybenzyl)-benzothiazole-2-thione (compound No. 8) melting at 141°-142°.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04894091
Source datasetuspto-grants-1990_01
ORD IDord-2b535ab34f064fd4810a6e4b8b5a1750
Source noteuspto-grants-1990_01