Bis(1,5-cyclooctadiene)rhodium(I) tetrafluoroborate

Base Information

• Chemical Name: Bis(1,5-cyclooctadiene)rhodium(I) tetrafluoroborate
• CAS No.: 35138-22-8
• Molecular Formula: C16H24Rh^.BF4
• Molecular Weight: 406.077
• Hs Code.: 28439000
• European Community (EC) Number: 460-220-1,609-074-4
• Mol file: 35138-22-8.mol

Synonyms:Bis(1,5-cyclooctadiene)rhodium(I) tetrafluoroborate;35138-22-8;[rh(cod)2]bf4;Bis(1,5-cyclooctadiene)rhodium(I)tetrafluoroborate;MFCD00075045;(1Z,5Z)-cycloocta-1,5-diene;rhodium;tetrafluoroborate;(1Z,5Z)-cycloocta-1,5-diene,rhodium,tetrafluoroborate;AKOS015903395;AC-1341;SC10102;B3961;A822599;bis(1,5-cyclooctadiene)rhodium(I) tetraflouroborate;bis(1,5-cyclooctadiene)-rhodium(i) tetrafluoroborate;bis-(1,5-cyclooctadien)-rhodium-(1)-tetrafluoroborate;-rhodium(1+) bis((1Z,5Z)-cycloocta-1,5-diene) tetrafluoroboranuide

Chemical Property of Bis(1,5-cyclooctadiene)rhodium(I) tetrafluoroborate

Chemical Property:

• Appearance/Colour: dark red
• Melting Point: 210 °C
• PSA: 0.00000
• Density: 0.42 g/cm3 (20℃)
• LogP: 6.64560
• Storage Temp.: Refrigerator (+4°C)
• Sensitive.: Slightly air & moisture sens
• Water Solubility.: insoluble
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 5
• Rotatable Bond Count: 0
• Exact Mass: 406.09621
• Heavy Atom Count: 22
• Complexity: 91.7

Purity/Quality:

99% ^*data from raw suppliers

Bis(1,5-cyclooctadiene)rhodium(I) Tetrafluoroborate ^*data from reagent suppliers

Safty Information:

• Pictogram(s): F,Xi
• Hazard Codes: F,Xi
• Statements: 11-34
• Safety Statements: 16-45-36/37/39-26

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: [B-](F)(F)(F)F.C1CC=CCCC=C1.C1CC=CCCC=C1.[Rh]
• Isomeric SMILES: [B-](F)(F)(F)F.C1/C=C\CC/C=C\C1.C1/C=C\CC/C=C\C1.[Rh]
• Uses: Convenient catalyst precursor, for example, with (R,R)QuinoxP* for asymmetric alkylations and hydrogenations. Catalyst precursor with chiral biaryl bisphosphine ligands for [2+2+2] enantioenriched cycloadditions. Bis(1,5-cyclooctadiene)rhodium(I) tetrafluoroborate is useful for hydrogenation, isomerization reactions and is also employed as a precursor for asymmetric hydrogenations. Furthermore, it is used in the synthesis of cationic COD-Rhodium complexes with phosphine ligands. In addition, it shows an important application for enantioselective hydrogenation and hydrosilylation.

Technology Process of Bis(1,5-cyclooctadiene)rhodium(I) tetrafluoroborate

There total 1 articles about Bis(1,5-cyclooctadiene)rhodium(I) tetrafluoroborate 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:

chloro(1,5-cyclooctadiene)rhodium(I) dimer + ammonium tetrafluroborate (13826-83-0) + {(4R,5R)-5-[(Diphenylphosphanyl)-methyl]-2,2-dimethyl-[1,3]dioxolan-4-ylmethyl}-methyl-diphenyl-phosphonium; iodide → bis(1,5-cyclooctadiene)rhodium(I) tetrafluoroborate (35138-22-8) + Rh(C8H12)2(1+)*I(1-)=Rh(C8H12)2I (32697-05-5) + C8H12RhI(P(C6H5)2CH2CHCHCH2PCH3(C6H5)2(O2C(CH3)2))2(2+)*2I(1-)=C8H12RhI(P(C6H5)2CH2CHCHCH2PCH3(C6H5)2(O2C(CH3)2))2I2 + C8H12RhI(P(C6H5)2C2H4C2H2PCH3(C6H5)2(O2C(CH3)2))2(2+)*2BF4(1-)=C8H12RhI(P(C6H5)2CH2CHCHCH2PCH3(C6H5)2(O2C(CH3)2))2(BF4)2

Guidance literature:

In dichloromethane; water; 4 equiv of diopium, CH2Cl2-H2O, slight excess of NH4BF4, stirring for 2 h at room temp. (N2); the organic phase was sepd., concd.;

DOI:10.1016/S0022-328X(02)01433-X

Reference yield: 94.3%

bis(1,5-cyclooctadiene)rhodium(I) tetrafluoroborate (35138-22-8) + N,N-bis(diphenylphosphino)-4-isopropylaniline (1187790-36-8) → [rhodium(I)((Ph2P)2N-C6H4-4-CH(CH3)2)2](tetrafluoroborate)

Guidance literature:

In tetrahydrofuran; at 25 ℃; for 1h; Inert atmosphere; Schlenk technique;

DOI:10.1016/j.ica.2012.12.005

Reference yield: 93.4%

bis(1,5-cyclooctadiene)rhodium(I) tetrafluoroborate (35138-22-8) + N,N-bis(diphenylphosphino)-2-isopropylaniline (1012318-48-7) → [rhodium(I)((Ph2P)2N-C6H4-2-CH(CH3)2)2](tetrafluoroborate)

Guidance literature:

In tetrahydrofuran; at 25 ℃; for 1h; Inert atmosphere; Schlenk technique;

DOI:10.1016/j.ica.2012.12.005

upstream raw materials:

ammonium tetrafluroborate

Downstream raw materials:

(η4-cyclooctadiene)((R)-2,2'-bis(diphenylphosphanyl)-1,1'-binaphthyl)rhodium(I) tetrfluoroborate

Refernces