73384-45-9Relevant articles and documents
Reactions of (Chlorocarbonyl)phenylketene. Formation of Ring-Fused 4H-1,3-Thiazinium Betaines from Heterocyclic Thiones
Potts, Kevin T.,Ehlinger, Robert,Kanemasa, Shuji
, p. 2474 - 2479 (2007/10/02)
The betaine anhydro-2-hydroxy-8-methyl-4-oxo-3-phenyl-4H-imidazothiazinium hydroxide, formed from 1-methyl-2(3H)-imidazolethione and (chlorocarbonyl)phenylketene, underwent thermal rearrangement (220 deg C) to 2,3-dihydro-7-hydroxy-2-methyl-5-