Abstract. Reaction of equimolar amounts of Cu(OAc) 2 ·H 2 O and bis [4-(3-ethoxysalicylideneamino)2 ) in a 1:1 THF/MeOH mixture leads to the formation of structure-analogous Cu II helicates of the composition [{Cu 2 L 2 }(H 2 O) 2 }]·4H 2 O. The helicates form left-and right-handed hydrogen bonded strands using the bound water mole-
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