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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 979293Generated: October 27, 2026

Acetaldehyde → 4-Acetyl-3H-phenothiazin-3-one

https://huagongshe.com/reaction/979293

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAcetaldehydeHCID 177—
ReactantPhenothiazoneHCID 68485—
SolventBenzeneHCID 241—
Product4-Acetyl-3H-phenothiazin-3-oneHCID 13853726—

Reaction Steps

A solution of 3H-phenothiazin-3-one (2 g) and acetaldehyde (32 ml) in benzene (240 ml) was irradiated with a 450 watt lamp for 2 days. The volatiles were removed under vacuum and the residue chromatographed on a silica gel column eluting with 25% EtOAc/hexane to afford the desired compound, m.p. 222° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04667032
Source datasetuspto-grants-1987_05
ORD IDord-99fa7876c4f74808a4e2a42adf1d7c59
Source noteuspto-grants-1987_05