syn-carbonyl{bis(trimethylphosphine)}rhodium aldolate

Base Information

Chemical Name:syn-carbonyl{bis(trimethylphosphine)}rhodium aldolate
CAS No.:117800-26-7
Molecular Formula:C₂₁H₃₇O₃P₂Rh
Molecular Weight:502.376
Hs Code.:

Synonyms:syn-carbonyl{bis(trimethylphosphine)}rhodium aldolate

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Chemical Property of syn-carbonyl{bis(trimethylphosphine)}rhodium aldolate

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Technology Process of syn-carbonyl{bis(trimethylphosphine)}rhodium aldolate

There total 3 articles about syn-carbonyl{bis(trimethylphosphine)}rhodium aldolate which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 79.0%

: 117800-25-6
(Z)-carbonyl(η1-O-4,4-dimethyl-1-oxy-2-pentene){bis(trimethylphosphine)}rhodium(I)

: 100-52-7
benzaldehyde

: 117800-26-7
syn-carbonyl{bis(trimethylphosphine)}rhodium aldolate

Guidance literature:: In ⁽²⁾H₈-toluene; A soln. of Rh-enolate in toluene-d8 in a NMR tube is cooled to -40°C, benzaldehyd is added by syringe. Soln. is degassed, tube is flame-sealed.; After 120 h at -20°C NMR analysis shows the product. In drybox soln. is concd. in vacuo to a brown oil, dissolving in pentane, cooling to -40°C. After 48 h crystals are isolated by filtration. Triturating with pentane, drying in vacuo.;
DOI:10.1021/ja00185a025

Reference yield: 39.0%

: 36713-95-8,22710-50-5,133577-23-8
trans-carbonylchlorobis(trimethylphosphine)rhodium

: 78904-15-1
C(CH₃)3CCHCH₃O^(1-)*K⁽¹⁺⁾=C(CH₃)3CCHCH₃OK

: 100-52-7
benzaldehyde

: 117800-26-7
syn-carbonyl{bis(trimethylphosphine)}rhodium aldolate

Guidance literature:: In toluene; Yellow soln. of Rh-complex and benzaldehyd in toluene is cooled to -40°C. (Z)-potassium enolate is added in 1 portion. Suspn. is stirred 2 min, then cooled to -40°C. After stirring (1min) mixt. is concd. to dryness in vacuo; Yellow residue is taken up in pentane and filtered. Ppt. is rinsed twice with pentane, filtration. Reducing of the filtrate, cooling to -40°C. Resulting crystals are triturated with pentane at this temp. for 3 h. Removing solvent, slowly drying.;
DOI:10.1021/ja00185a025

Reference yield:

: 117828-03-2
syn-carbonyl{bis(trimethylphosphine)}rhodium aldolate

: 100-52-7
benzaldehyde

: 117800-26-7
syn-carbonyl{bis(trimethylphosphine)}rhodium aldolate

: 104-87-0
4-methyl-benzaldehyde

Guidance literature:: In dimethyl sulfoxide; benzene; A mixt. of the p-tolualdehyde aldolate complex and benzaldehyde is rapidly converted in DMSO/benzene soln. into a 70/30 mixt. of the starting and resulting aldolate complexes.;
DOI:10.1021/ja00185a025