1983
DOI: 10.1002/cber.19831160322
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Darstellung und Eigenschaften von und Reaktionen mit metallhaltigen Heterocyclen, XXVIII. Synthese, Struktur und Reaktivität funktionalisierter Phosphamanganacycloalkane

Abstract: Sechsgliedrige Heterocyclen des Typs (OC),M~PRzECHzC(0)CHz (2a, a', b) [E = 0: R = Me (a), Ph (a'); E = S: R = Me (b)] mit einer Ketogruppe in 8-Position erhalt man aus 1,3-Dichloraceton und den bifunktionellen Anionen [(OC),MnPR,E]'-( l a , a', b). Die Mn -C-o-Bindung in 2a, a', b verhalt sich gegenuber Kohlenmonoxid und Schwefeldioxid indifferent. Bei 2a, a' laBt sich diese Bindung jedoch durch HCI-Einwirkung unter Bildung von (OC),C1MnPR,0CH,C(0)CH3 (3a, a') spalten. Auf Grund einer Rontgenstrukturanalyse k… Show more

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Cited by 9 publications
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“…Attempts to carbonylate (39) failed, so the carbonylated material (40) was prepared by other means (Scheme 7) and was stable to decarbonylation under conditions of workup and isolation. 60 In contrast with (39), Mn(H)(CO) 4 [PPh 2 CH 2 CH 2 CHO] did not cyclize, and attempts to prepare the cyclized material via indirect routes led only to the acyclic aldehyde. 61 Preparation of (41), however, was readily accomplished (Equation (13)), so the factors that control the equilibrium between the open chain hydride-aldehyde and the a-hydroxyalkyl complex are subtle.…”
Section: Addition Of Manganese Hydrides To Organic Unsaturationmentioning
confidence: 99%
“…Attempts to carbonylate (39) failed, so the carbonylated material (40) was prepared by other means (Scheme 7) and was stable to decarbonylation under conditions of workup and isolation. 60 In contrast with (39), Mn(H)(CO) 4 [PPh 2 CH 2 CH 2 CHO] did not cyclize, and attempts to prepare the cyclized material via indirect routes led only to the acyclic aldehyde. 61 Preparation of (41), however, was readily accomplished (Equation (13)), so the factors that control the equilibrium between the open chain hydride-aldehyde and the a-hydroxyalkyl complex are subtle.…”
Section: Addition Of Manganese Hydrides To Organic Unsaturationmentioning
confidence: 99%