New 4-amino-pyrimido-pyrimidine derivs

• Main Authors: HIMMELSBACH, FRANK. DR., 88441 MITTELBIBERACH, DE, RUEDEN, THOMAS VON-BIOL. DR., WIEN, AT
• Format: Patent
• Language: English; German
• Published: 14.03.1996
• Edition: 6
• Subjects: ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM; CHEMISTRY; HETEROCYCLIC COMPOUNDS; HUMAN NECESSITIES; HYGIENE; MEDICAL OR VETERINARY SCIENCE; METALLURGY; ORGANIC CHEMISTRY; PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES

4-Amino-pyrimido(5,4-d)pyrimidine derivs. of formula (I) are new: Ra = H or alkyl; Rb = phenyl substd. by R1-R3; R1, R2 = H, halo, 1-6C alkyl, etc.;Q1-Q3, where Q1 = 4- to 7-membered alkyleneimino, Q2 = 5- to 7-membered alkyleneimino with 1-2 N-adjacent CH2 gps. replaced by CO and Q3 = 6- or 7-membe...