139366-11-3Relevant articles and documents
SYNTHESIS OF 11-AMINOSUBSTITUTED 6,8-DIMETHYL-12H-BENZOTHIOPYRANO-QUINOLIN-12-ONES AS BENZO ANALOGUES OF LUCANTHONE
Croisy-Delcey, Martine,Huel, Christiane,Croisy, Alain,Bisagni, Emile
, p. 1933 - 1945 (2007/10/02)
Condensation of acetonyl 2-methyl-5-chlorophenyl sulfide with potassium isatates led to 2-methyl-3-(2-methyl-5-chlorophenylthio)-4-quinolinecarboxylic acids.Polyphosphoric acid cyclodehydration then afforded 6,8-dimethyl-11-chloro-12H-benzothiopyr