Controlled Ring Opening of a Tetracyclic Tetraphosphane with Twofold Metallocene Bridging
Subhayan Dey,
Balázs Szathmári,
Roman Franz
et al.
Abstract:A direct route to a doubly ferrocene bridged tetracyclic tetraphosphane 1 was developed via reductive coupling of Fe(CpPCl2)2 (2a), where a chlorine terminated linear P4‐compound 3 could be identified as an intermediate. Selective P‐P bond activation was further achieved by reacting 1 with elemental selenium or [Cp*Al]4, where regioselective insertion of Se or Al atoms resulted in ferrocenylene bridged [P4Se] (4) or [P4Al] (7) moieties. Compound 7 can be transformed to a hydrogen terminated linear P4 species, … Show more
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