56629-53-9

Upstream product

• 14580-91-7 trimethyl(methylene)phosphorane 
• 1070-88-8 Trimethylsilylmethyl-trimethyl-phosphoniumchlorid 
• 75-77-4 chloro-trimethyl-silane 

Downstream Products

• 14580-91-7 trimethyl(methylene)phosphorane 
• 676-96-0 Trimethylphosphine oxide 
• 107-46-0 Hexamethyldisiloxane 
• 3607-03-2 (bis-trimethylsilanyl-methylene)-trimethyl-λ⁵-phosphane 
• 2726-90-1 Trimethyl<(trimethylsilyl)methyl>phosphonium-hexafluorophosphat 
• 113489-51-3 (CH₃)3PCHSi(CH₃)3*AuP(C₆H₅)3⁽¹⁺⁾*Cl^(1-)=((CH₃)3PCHSi(CH₃)3)Au(P(C₆H₅)3)Cl 

Relevant academic research and scientific papers

ZUR REAKTION VON METALL-KOORDINIERTEM KOHLENMONOXID MIT YLIDEN. XVI. REVERSIBLER EINBAU VON KOHLENMONOXID IN EINE TRIMETHYLPHOSPHONIO(TRIMETHYLSILOXY)VINYL-EINHEIT: DARSTELLUNG DES ZWITTERIONISCHEN VINYL-CHROMKOMPLEXES Cp(CO)(NO)Cr-C(OSiMe3) = CH-PMe3 UND SOLVOLYTISCHER ABBAU, SOWIE ...

The β-trimethylphosphonio (α-trimethylsiloxy)vinylchromium complex Cp(CO)(NO)Cr-C(OSiMe3) = CH-PMe3 (2) can be isolated from a concentrated solution of Cp(CO)2(NO)Cr (1) and Me3P=CHSiMe3 in benzene. 2 is obtained in better yield via O-silylation of the tetramethylphosphonium chromium acylate Me4P (3) with Me3SiOSO2CF3. 2 decomposes readily by treatment with benzene to 1 and Me3P=CHSiMe3, which forms the ylide complex Cp(CO)(NO)Cr-CH(SiMe3)-PMe3 (4) on photolysis.Degradation of 2 can be accelerated extraordinarily by traces of Me3P=CH2.With Me3P=CH2 (2 mol) controlled conversion of 2 to 3 and Me3P=CHSiMe3 occurs.MeX (X = I, SO3F) cleaves 2 to 1 and the phosphonium salt X (5a, 5b).

ZUR REAKTION VON METALL-KOORDINIERTEM KOHLENMONOXID MIT YLIDEN. XV. NEUARTIGE SPALTUNG VON KOHLENMONOXID VIA β-TRIMETHYLPHOSPHONIO(α-TRIMETHYLSILOXY)VINYL-KOMPLEXE: EINBAU DES CARBONYLKOHLENSTOFFS IN EINEN β-TRIMETHYLPHOSPHONIOACETYLID-LIGANDEN

The manganese complexes RC5H4Mn(CO)3 (R=H (1a), Me (1b) react with Me3P=CHSiMe3 only under photochemical conditions to yield the ylide complexes RC5H4(CO)2Mn-CH(SiMe3)PMe3 (2a,2b).Treatment of the phosphonium or lithium manganeseacylates R4P(Li) (R=Me, Et; R'=H, Me) (3a,3b,5) with Me3SiOSO2CF3 leads to the formation of the vinyl complexes MeC5H4(CO)2Mn--C(OSiMe3)=C(R')-P+R3 (4a,4b).Pure 4a slowly eliminates Me3SiOH at room temperature to produce the β-trimethylphosphonio-acetylide complex MeC5H4(CO)2Mn--CC-P+Me3 (6).In the presence of a catalytic amount of Me3P=CH2 4a is rapidly cleaved to 1b and Me3P=CHSiMe3.