β-trans-[N4{P(Ph)(C6H 11N)}4]4-; a tetraanionic ligand system exhibiting two separated tetradentate coordination sites of concave-shaped cavities
Abstract
β-trans-[N
4
{P(Ph)(C
6
H
11
NH)}
4
] can be deprotonated at all four N–H
functions with BuLi in toluene yielding
Li
4
{β-trans-[N
4
{P(Ph)(C
6
H
11
NH)}
4
]}, using an excess of
BuLi in the presence of thf, the lithium enolate co-complex
Li
6
{β-trans-[N
4
{P(Ph)(C
6
H
11
N)}
4
](CH
2
![[double bond, length as m-dash]](https://www.rsc.org/images/entities/char_e001.gif)
CHO
)
2
}·4thf is formed,in which the tetraanionic ligand
β-trans-[N
4
{P(Ph)(C
6
H
11
N)}
4
]
4-
exhibits two separated
coordination sites; both act in a tetradentate way and form concave-shaped
cavities.
CHO
)
2
}·4thf is formed,in which the tetraanionic ligand
β-trans-[N
4
{P(Ph)(C
6
H
11
N)}
4
]
4-
exhibits two separated
coordination sites; both act in a tetradentate way and form concave-shaped
cavities.
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