Unexpected structure of 1,3-diphenyl-2-azaallylpotassium–N,N,N′,N″ ,N″-pentamethyldiethylenetriamine: infinite, zigzag chains of alternating cations and two distinct types of anion, one azaallyl bonded, the other allyl bonded
Abstract
[{[PhC(H)![[horiz bar, double dot above]](https://www.rsc.org/images/entities/char_e0f2.gif)
NC(H)Ph]
-
K
·pmdeta}
∞
] adopts a novel crystal
structure exhibiting separate η
3
-CNC and
η
3
-CCC ligating modes, surprisingly
leaving one electronegative N centre not bonded to K
+
; reaction
of the azaallyl K with its parent imine PhC(H)![[double bond, length as m-dash]](https://www.rsc.org/images/entities/char_e001.gif)
NCH
2
Ph in
toluene affords the interesting, metal-free, chiral product
PhC(H)NCH(Ph)CH(Ph)N(H)CH
2
Ph.
NC(H)Ph]
-
K
·pmdeta}
∞
] adopts a novel crystal
structure exhibiting separate η
3
-CNC and
η
3
-CCC ligating modes, surprisingly
leaving one electronegative N centre not bonded to K
+
; reaction
of the azaallyl K with its parent imine PhC(H)NCH
2
Ph in
toluene affords the interesting, metal-free, chiral product
PhC(H)NCH(Ph)CH(Ph)N(H)CH
2
Ph.
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