Nucleoside 1-methyl-iso:guanosine - isolated from marine sponges of genus Tedania and having muscle relaxant and CNS activity

摘要

1-methyl-isoguanosine (I) of the tautomeric formulae (Ia), (Ib) and (Ic), is new: (I) is a muscle relaxant and has effects on the CNS. It also has anti-inflammatory, antiallergic and hypotensive activity.