A New Deltaphane and Ribbon-Shaped CyclophanesThe reaction of the fourfold functionalized [3.3]
CH-n-Wechselwirkung eines bandformigen Cyclophans rnit ToluolWie bereits fruher berichtet[l01, laDt sich die Schliisselsubstanz der Synthese giirtelformiger Molekule, das metal meta-Cyclophan 4 (Ausbeute 28%) zusammen rnit dem isomeren ortholmeta-Cyclophan 5 (Ausbeute 24%) durch eine doppelte Cyclisierungsreaktion von 6 rnit zwei Aquivalen-
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