trans-Re(CO)4PBz₃Br

Base Information

• Chemical Name: trans-Re(CO)4PBz₃Br
• CAS No.: 142457-90-7
• Molecular Formula: C₂₅H₂₁BrO₄PRe
• Molecular Weight: 682.524

Synonyms:

Chemical Property of trans-Re(CO)4PBz₃Br

Chemical Property:

Purity/Quality:

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Technology Process of trans-Re(CO)4PBz₃Br

There total 7 articles about trans-Re(CO)4PBz₃Br 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: 57.0%

Re2(CO)8(P(CH2C6H5)3)2 → cis-Re(CO)4(PBz3)I (142457-87-2,142560-44-9) + cis-Re(CO)4PBz3Br (142457-90-7,142560-50-7) + trans-Re(CO)4PBz3Br (142457-90-7,142560-50-7) + trans-Re(CO)4(PBz3)I (142457-87-2,142560-44-9)

Guidance literature:

With iodine; In methanol; dichloromethane; under N2; addn. of soln. of I2 in CH2Cl2 to soln. of complex and NEt4Br (10-fold excess) in CH2Cl2/MeOH; monitored by IR; evapd. (vac.), dissolved in CH2Cl2, filtered, pumped to dryness (vac.), dissolved in C6D6; 1H-, 31P-NMR;

Reference yield: 57.0%

Re2(CO)8(P(CH2C6H5)3)2 → cis-Re(CO)4(PBz3)I (142457-87-2,142560-44-9) + cis-Re(CO)4PBz3Br (142457-90-7,142560-50-7) + trans-Re(CO)4PBz3Br (142457-90-7,142560-50-7) + trans-Re(CO)4(PBz3)I (142457-87-2,142560-44-9)

Guidance literature:

With iodine; In methanol; dichloromethane; under N2; addn. of soln. of I2 in CH2Cl2 to soln. of complex and NEt4Br (10-fold excess) in CH2Cl2/MeOH; monitored by IR; evapd. (vac.), dissolved in CH2Cl2, filtered, pumped to dryness (vac.), dissolved in C6D6; 1H-, 31P-NMR;

Reference yield:

Re2(CO)9(P(CH2C6H5)3) (101177-15-5,135682-07-4,139974-96-2) → cis-Re(CO)4PBz3Br (142457-90-7,142560-50-7)

Guidance literature:

With bromine; In benzene-d6; under N2; addn. of soln. of Br2 to soln. of complex in an NMR tube at room temp.; not isolated; 31P-, 1H-NMR;

upstream raw materials:

Re₂(CO)9(P(CH₂C₆H₅)3)

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