7-(hydroxymethyl)-1H-pyrido[2,3-b][1,4]thiazin-2(3H)-one → 2-Oxo-2,3-dihydro-1h-pyrido[2,3-b][1,4]thiazine-7-carbaldehyde

Beteiligte Stoffe

Rolle	Name	HCID	Einwaage
Edukt	7-(hydroxymethyl)-1H-pyrido[2,3-b][1,4]thiazin-2(3H)-one	HCID 21873728	—
Katalysator	HCID 178418406	HCID 178418406	—
Produkt	2-Oxo-2,3-dihydro-1h-pyrido[2,3-b][1,4]thiazine-7-carbaldehyde	HCID 21873733	58%

The alcohol (d) (1.22 g) was oxidised with manganese dioxide by the method of Example (1j) to afford a solid (0.7 g).