1984
DOI: 10.1002/zaac.19845080111
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Zur Reaktivität von intramolekular basenstabilisierten Zinn(II)‐ Verbindungen mit Mercaptanen, Disulfiden und Peroxiden

Abstract: Die Umsetzungen von intramolekular basenstabilisierten Zinn(II)‐Verbindungen des Typs E(CH2CH2S)2Sn (E = MeN, S) mit Mercaptanen RSH (R = Ph, PhCH2) und Disulfiden RSSR (R = Ph, PhCH2) führen in guten Ausbeuten zu neuen pentakoordinierten Stannaocanen. Neben der Additionsreaktion tritt als Nebenreaktion die Disproportionierung des Hauptproduktes auf, wobei die entstehenden Spiroverbindungen und Zinntetrathiolate mittels der 119Sn‐NMR‐Spektroskopie nachgewiesen werden konnten. Mit Peroxiden werden ausschließlic… Show more

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Cited by 15 publications
(9 citation statements)
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“…In contrast to well‐established interactions of “heavy carbenes” with methyl iodide, the reactions of these compounds with disulfides are almost unknown 28. Our attempts to obtain the expected addition products from dimeric stannylene [MeN(CH 2 CH 2 O) 2 Sn] 2 and disulfides failed 13c…”
Section: Resultsmentioning
confidence: 97%
“…In contrast to well‐established interactions of “heavy carbenes” with methyl iodide, the reactions of these compounds with disulfides are almost unknown 28. Our attempts to obtain the expected addition products from dimeric stannylene [MeN(CH 2 CH 2 O) 2 Sn] 2 and disulfides failed 13c…”
Section: Resultsmentioning
confidence: 97%
“…Monomere Zinn(I1)-Verbindungen des Typs (RY),Sn (Y = 0, NR, S) lassen sich in Losung durch sterisch anspruchsvolle Reste [I--41, aber auch durch intramolekulare Donatoren stabilisieren [5]. Letztere Verbindungen weisen in ihrer Reaktivitat auf Grund der leichten Dissoziation der Donor-Akzeptor-Bindung typische Stannylencharakter auf [6].…”
Section: Ergebnisse Und Diskussionunclassified
“…Di(phenylthio)-and di(benzylthio)-substituted stannocanes are formed as the main products in the reaction of stannylenes with the respective disulfides and thiols [43,45]. In addition, the reaction mixtures contain small amounts of Sn(SR) 4 and [X(CH 2 CH 2 S) 2 ] 2 Sn, indicating that redistribution of the ligands occurs as a side reaction alongside with the main process.…”
Section: W-y 3stmentioning
confidence: 95%
“…It was established that the first stage of the reaction here too is oxidative addition of divalent tin at the S-H bond [43]. Treatment of dithiastannylene with dibenzoyl peroxide with is not accompanied by any side processes and gives the addition product with an almost quantitative yield even at room temperature [45].…”
Section: W-y 3stmentioning
confidence: 99%
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