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Cis versus Trans: The Coordination Environment about the Tin(IV) Atom in Spirocyclic Amino Alcohol Derivatives. | LitMetric
The syntheses of amino alcohols MeN(CH CH CMe OH) (1), MeN(CMe CH OH)(CH CMe OH) (2), MeN(CH CH CH OH)(CH CMe OH) (3), MeN(CH CH CMe OH)(CH CMe OH) (4), MeN(CH CH CMe OH)(CH CH OH) (5), and MeN(CH CH OH) (CH CH CH OH) (6) as well as spirocyclic tin(IV) alkoxides spiro-[nBuN(CH CMe O) ] Sn (7), spiro-[MeN(CH CH CMe O) ] Sn (8), spiro-[para-FC H N (CH CMe O) ] Sn (9), spiro-[MeN(CMe CH O)(CH CMe O)] Sn (10), spiro-[MeN(CH CH CH O)(CH CMe O)] Sn (11), spiro-[MeN(CH CH CMe O)(CH CMe O)] Sn (12), spiro-[MeN(CH CH CMe O)(CH CH O)] Sn (13) and spiro-[MeN(CH CH O)(CH CH CH O)] Sn (14) are reported. The compounds were characterized by H, C (1-14) and Sn (7-14) NMR and IR spectroscopy, EIMS and single-crystal XRD (2, 7-10 and 13, 14). Graph-set analyses were performed for compounds [(MeNH(CMe CH OH)(CH CMe OH)][HC(O)O] (2 a) and 2. The coordination environment about the tin(IV) centre of the spirocyclic compounds and their possible stereoisomers were analysed by DFT calculations (spiro-[MeN(CH CMe O) ] Sn, 8-10 and 13).
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