New 4-amino-pyrimido-pyrimidine derivs

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...

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Hauptverfasser:	HIMMELSBACH, FRANK. DR., 88441 MITTELBIBERACH, DE, RUEDEN, THOMAS VON-BIOL. DR., WIEN, AT
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	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
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