title: Thiopseudoureas as efficient starting materials in the synthesis of 1-substituted amino-6.7-dimethyoxy-3.4-dihydroisoquinoline derivatives.
mesh_terms: D000814:Aniline Compounds / Q000138:chemical synthesis; D002234:Carbodiimides; D002384:Catalysis; D002625:Chemistry, Organic; D002712:Chlorides; D003500:Cyclization; D007546:Isoquinolines / Q000138:chemical synthesis*; D008628:Mercury; D055601:Organic Chemistry Phenomena; D013890:Thiourea
chemical_list: D000814:Aniline Compounds; D002234:Carbodiimides; D002712:Chlorides; D007546:Isoquinolines; D008628:Mercury; D013890:Thiourea