New Method for the Synthesis of the 1,3-Thiazine System. 2-Phenylamino-5,6-dihydro-4H-1,3-thiazin-5-ones

Article abstract of DOI:10.1007/BF00496597

Treatment of N-phenylthioureidoalkyl-α-diazo ketones with acids leads to 2-phenylamino-5,6-dihydro-4H-1,3-thiazin-5-ones.