A gem-aluminium(iii)/antimony(iii) C centre incorporated in a bimetallic six-membered heterocycle
Abstract
Reaction of AlMe
3
with the implied stibene intermediate
(–Sb![[double bond, length as m-dash]](https://www.rsc.org/images/entities/char_e001.gif)
C![[double bond splayed left]](https://www.rsc.org/images/entities/char_e009.gif)
) formed in the reaction of
[(2-pyr)(SiMe
3
)
2
CLi·tmeda] with
SbCl
3
affords the carboalumination product containing a
gem-Al/Sb C centre as part of a six-membered heterocycle,
[(2-pyr)(SiMe
3
)
2
C–Sb(Me)–(2-pyr)(SiMe
3
)C–Al(Me)
2
] 1, structurally authenticated as
the (RS,SR) diastereoisomer.
C) formed in the reaction of
[(2-pyr)(SiMe
3
)
2
CLi·tmeda] with
SbCl
3
affords the carboalumination product containing a
gem-Al/Sb C centre as part of a six-membered heterocycle,
[(2-pyr)(SiMe
3
)
2
C–Sb(Me)–(2-pyr)(SiMe
3
)C–Al(Me)
2
] 1, structurally authenticated as
the (RS,SR) diastereoisomer.
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