(R_P,R_P)-1,2-bis[(phenyl)(2-triisopropylsiloxyphenyl)phosphino-P-borane]ethane

Base Information

• Chemical Name: (R_P,R_P)-1,2-bis[(phenyl)(2-triisopropylsiloxyphenyl)phosphino-P-borane]ethane
• CAS No.: 917029-49-3
• Molecular Formula: C₄₄H₇₀B₂O₂P₂Si₂
• Molecular Weight: 770.779

Synonyms:(R_P,R_P)-1,2-bis[(phenyl)(2-triisopropylsiloxyphenyl)phosphino-P-borane]ethane

Chemical Property of (R_P,R_P)-1,2-bis[(phenyl)(2-triisopropylsiloxyphenyl)phosphino-P-borane]ethane

Chemical Property:

Purity/Quality:

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Technology Process of (R_P,R_P)-1,2-bis[(phenyl)(2-triisopropylsiloxyphenyl)phosphino-P-borane]ethane

There total 5 articles about (R_P,R_P)-1,2-bis[(phenyl)(2-triisopropylsiloxyphenyl)phosphino-P-borane]ethane 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: 94.0%

triisopropylsilyl chloride (13154-24-0) + (RP,RP)-1,2-bis[(o-hydroxyphenyl)(phenyl)phosphino-P-borane]ethane (1316041-04-9,917029-15-3) → (RP,RP)-1,2-bis[(phenyl)(2-triisopropylsiloxyphenyl)phosphino-P-borane]ethane (917029-49-3)

Guidance literature:

With potassium carbonate; In acetone; Inert atmosphere;

DOI:10.1039/c1ob05364g

Reference yield:

(RP,RP)-1,2-bis[(o-hydroxyphenyl)(phenyl)phosphino-P-borane]ethane (1316041-04-9,917029-15-3) → (RP,RP)-1,2-bis[(phenyl)(2-triisopropylsiloxyphenyl)phosphino-P-borane]ethane (917029-49-3)

Guidance literature:

With K₂CO₃; In N,N-dimethyl-formamide; mixt. of B compd., K2CO3 and i-Pr3Si iodide, bromide or tosylate in DMF stirred at 40°C; concd.; filtered through silica gel pad; eluted with CH2Cl2; recrystd. from hexane-CH2Cl2;

DOI:10.1039/c1ob05364g

Reference yield:

(RP,RP)-1,2-bis[(o-anisyl)(phenyl)phosphino-P-borane]ethane (131830-91-6,136844-63-8,162490-91-7,97764-56-2) → (RP,RP)-1,2-bis[(phenyl)(2-triisopropylsiloxyphenyl)phosphino-P-borane]ethane (917029-49-3)

Guidance literature:

Multi-step reaction with 4 steps

1.1: diethylamine / Reflux; Inert atmosphere

2.1: boron tribromide / dichloromethane / 1 h / -20 - 20 °C / Inert atmosphere

2.2: 0 °C / Reflux; Inert atmosphere

3.1: borane-dimethyl sulfide complex / tetrahydrofuran / 0 - 20 °C / Inert atmosphere

4.1: potassium carbonate / acetone / Inert atmosphere

With borane-dimethyl sulfide complex; boron tribromide; potassium carbonate; diethylamine; In tetrahydrofuran; dichloromethane; acetone;

DOI:10.1039/c1ob05364g

upstream raw materials:

(R_P,R_P)-1,2-bis[(o-hydroxyphenyl)(phenyl)phosphino-P-borane]ethane

(R_P,R_P)-1,2-bis[(o-anisyl)(phenyl)phosphino-P-borane]ethane

triisopropylsilyl chloride

(R_P,R_P)-1,2-bis[(o-hydroxyphenyl)(phenyl)phosphino]ethane

Downstream raw materials:

(R_P,R_P)-1,2-bis[(phenyl)(2-triisopropylsiloxyphenyl)phosphino]ethane

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