Darstellung und eigenschaften von und reaktionen mit metallhaltigen heterocyclen: LV. Reduktion von sekundären phosphankomplexen des mangans mit K-selektrid; ein neuer weg zu phosphamanganacyclopropanen
作者： Ekkehard Lindner , Dieter Goth
DOI: 10.1016/0022-328X(87)83022-X
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摘要: Abstract The anions K[(OC)4 MnPR2H] (2a–e) (R2 = Me2 (a), MePh (b), Ph2 (c), (cyclo-C6H11)2 (d), (t-Bu)2 (e)) are obtained by reaction of (OC)4BrMnPR2H (1a–e) with K[HB(s-C4H9)3]. Proton abstraction BuLi affords the highly nucleophilic phosphidomanganates KLi[(OC)4MnPR2] (3a–e) which exist as contact ionic pairs MnM (M K, Li) interaction. action Buli on 2a–e proceeds via formation without interaction or solvent separated 3a★–c★, cannot be from each other. When is treated CH2Cl2 in presence excess K[HB(s-C4H9)3], three-membered heterocycles (OC)4 M nCH 2 P R2 (4a–e) an ylidic bonding system formed good yields. In principle 4a–e also result 3a–e and demonstrated case 3c → 4c.
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