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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1658210Generated: October 31, 2026

Formaldehyde → S 332

https://huagongshe.com/reaction/1658210

Reaction equation

Participants

RoleNameHCIDCharge
ReactantFormaldehydeHCID 712—
Reactant2-Phenylamino-N-(2-methyl-4-sulphamoylphenyl)-acetamideHCID 21528856—
SolventWaterHCID 962—
ProductS 332HCID 3041006—

Reaction Steps

2-Phenylamino-N-(2-methyl-4-sulphamoylphenyl)-acetamide (16 g) was dissolved in ethano, (320 ml) and paraformaldehyde (1.9 g) in water (640 ml) added. The mixture was refluxed 11/2 hr, cooled and filtered. The residue was crystallised from DMF/water to yield 16 g, m.p. 206°-210°.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS03963706
Source datasetuspto-grants-1976_06
ORD IDord-ca44e57fe5494e11997c588ad231df62
Source noteuspto-grants-1976_06