Could chemistry be as easy as A+B=C? Higher diamondoids form from lower ones in experiments mimicking petroleum cracking. The yields are low but can be significantly improved by the addition of isobutane or isobutene. Rather than through superacid‐catalyzed carbocation rearrangement reactions—long assumed to be responsible for diamondoid growth—the reactions take place through free‐radical mechanisms akin to CVD growth.
Kann Chemie so einfach sein? Reaktionen, die das Cracken von Erdöl nachbilden, liefern höhere diamantoide Formen aus niedrigeren. Die Ausbeuten sind gering, können aber durch Zusatz von Isobutan oder Isobuten merklich verbessert werden. Die Reaktionen verlaufen über radikalische Mechanismen (ähnliche einer Dampfabscheidung) und nicht, wie lange angenommen wurde, über Supersäure‐katalysierte Carbokationumlagerungen.
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