AbstractThe synthesis of 4‐formyl‐3‐hydroxy‐5‐methacryloylaminomethyl‐2‐methylpyridine (7a) and 4‐formyl‐3‐hydroxy‐5‐(N‐methacryloyl‐N‐methyl)aminomethyl‐2‐methylpyridine (7b) is reported. The intermediate products 5‐aminomethyl‐2,2,8‐trimethyl‐2H,4H‐[1,3]‐dioxino[4,5‐c]‐pyridine hydrochloride (3a), 2,2,8‐trimethyl‐5‐methylaminomethyl‐2H,4H‐[1,3]‐dioxino[4,5‐c]‐pyridine hydrochloride (3b), 5‐methacryloylaminomethyl‐2,2,8‐trimethyl‐2H,4H‐[1,3]‐dioxino‐[4,5‐c]pyridine hydrochloride (5a), 5‐(N‐methacryloyl‐N‐methyl)aminomethyl‐2,2,8‐trimethyl‐2H,4H‐[1,3]‐dioxino‐[4,5‐c]pyridine hydrochloride (5b), 3‐hydroxy‐4‐hydroxymethyl‐5‐metha‐cryloylaminomethyl‐2‐methylpyridine (6a)