88263-80-3Relevant articles and documents
Cyclisation of α-(2-mercaptobenzoyl)- and α-(2-aminobenzoyl)lactames; Synthesis of benzothiopyranopyrrolinones and pyrrolinoquinolinones
Eiden,Baumann
, p. 897 - 907 (2007/10/02)
Compounds 8a, 8b, 8d, 8e and 8f are obtained by heating the mercaptobenzoyl- or methylaminobenzoyl-lactames 6a, 6b, 6d, 6e and 6f. With pyridine HCl removal of the pyrroline N-methyl group takes place under formation of 8c and 8g. Cyclisation of the acyll