1964
DOI: 10.1002/cber.19640971226
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Spektroskopische Untersuchungen an Organozinnverbindungen R4−4SnXn

Abstract: Die PMR-Spektren der Organozinn-diiithylamide &-nSn(N(C2H5)2ln (R = C2H5, C4H9) und der daraus durch Alkoholyse dargestellten Alkoxide %+,Sn(OR'), (R = CH3, CzHs, C4H9, C6H5; R' = CH3, CzH5) werden mitgeteilt und diskutiert. In ubereinstimmung mit unseren friiheren Untersuchungen sprechen die Befunde bei den Organozinn-diathylamiden Fur einen covalenten Bindungstyp, wiihrend die Spektren der Alkoxide mehr auf einen ionogenen Bindungscharakter schlieDen lassen. Die 1R-Spektren einiger Organozinn-alkoxide werden… Show more

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Cited by 58 publications
(4 citation statements)
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“…Rather than depending upon the reduction of Sn−N to Sn−H for our turnover step (Figure ), we chose to pursue an alternate strategy that relies upon the reduction of Sn−O to Sn−H (Figure ). Thus, we anticipated that if we added an alcohol to the reaction, transfer of the SnBu 3 group from the nitrogen of the initially formed RNHSnBu 3 to the oxygen of the alcohol would occur (Figure , Sn exchange) . The resulting tin alkoxide could then be reduced by the silicon hydride to regenerate the catalyst, Bu 3 SnH.…”
mentioning
confidence: 99%
“…Rather than depending upon the reduction of Sn−N to Sn−H for our turnover step (Figure ), we chose to pursue an alternate strategy that relies upon the reduction of Sn−O to Sn−H (Figure ). Thus, we anticipated that if we added an alcohol to the reaction, transfer of the SnBu 3 group from the nitrogen of the initially formed RNHSnBu 3 to the oxygen of the alcohol would occur (Figure , Sn exchange) . The resulting tin alkoxide could then be reduced by the silicon hydride to regenerate the catalyst, Bu 3 SnH.…”
mentioning
confidence: 99%
“…doi:10.1016/j.jorganchem.2004.08.037 findings of Davies et al [13,14]. It may however, be mentioned that the reactions of alkyltin tris(dialkylamide), RSnðNR 0 2 Þ 3 with alcohols are comparatively more facile [15].…”
Section: Resultsmentioning
confidence: 95%
“…So stimmt die Tieffeldverschiebung des 31 P-Signals mit 62,8 ppm in guter Na È herung mit der des Cr(CO) 5 [30], nach denen die La È nge der Alkylenbru È cke in den zweiza È hnigen Liganden Ph 2 P(CH 2 ) n PPh 2 (n = 1±4) die Produktbildung bei der Umsetzung mit CpRh(CO) 2 bestimmt: Fu È r n = 1 wird CpRh(CO)dppm, fu È r n = 2 bzw. 3 CpRh(dppe) bzw.…”
Section: Darstellung Der Ligandenunclassified
“…Attempts to produce the thiophosphoryl derivative of 3 result in the degradation of the ladder structure giving the thermally labile phosphane sulfide Me 2 Sn(OCH 2 P(S)Me 2 ) 2 . Ligands 1 and 2 besides Me 2 PCH 2 CH 2 SnMe 3 (4) have been used for the preparation of rhodium(I) complexes from Cp*Rh(CO) 2 (5) or CpRh(C 2 H 4 ) 2 (10) as educts. The thermal reaction of 5 with 4 yields Cp*Rh(CO)PMe 2 CH 2 CH 2 SnMe 3 (6), that of 5 with 1 a mixture of the mononuclear derivative Cp*Rh(CO)Ṕ Me 2 CH 2 CH 2 SnMe 2 CH 2 CH 2 PMe 2 (7) and the binuclear complex [Cp*Rh(CO)PMe 2 CH 2 CH 2 ] 2 SnMe 2 (8).…”
mentioning
confidence: 99%