2,5-dibromo-2,5-dihydro-1-(diisopropylamino)-3,4-diphenylphosphole 1-oxide

Base Information

Chemical Name:2,5-dibromo-2,5-dihydro-1-(diisopropylamino)-3,4-diphenylphosphole 1-oxide
CAS No.:433267-12-0
Molecular Formula:C₂₂H₂₆Br₂NOP
Molecular Weight:511.236
Hs Code.:

Synonyms:2,5-dibromo-2,5-dihydro-1-(diisopropylamino)-3,4-diphenylphosphole 1-oxide

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Chemical Property of 2,5-dibromo-2,5-dihydro-1-(diisopropylamino)-3,4-diphenylphosphole 1-oxide

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Technology Process of 2,5-dibromo-2,5-dihydro-1-(diisopropylamino)-3,4-diphenylphosphole 1-oxide

There total 5 articles about 2,5-dibromo-2,5-dihydro-1-(diisopropylamino)-3,4-diphenylphosphole 1-oxide 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: 98.0%

: 433267-10-8
1-(diisopropylamino)-3,4-diphenylphosphole 1-oxide

: 433267-12-0
2,5-dibromo-2,5-dihydro-1-(diisopropylamino)-3,4-diphenylphosphole 1-oxide

Guidance literature:: With pyridinium hydrobromide perbromide; In dichloromethane; at -20 - 20 ℃;
DOI:10.1002/1099-0690(200202)2002:4<675::AID-EJOC675>3.0.CO;2-Z

Reference yield:

: 2548-47-2
2,3-diphenyl-1,3-butadiene

: 433267-12-0
2,5-dibromo-2,5-dihydro-1-(diisopropylamino)-3,4-diphenylphosphole 1-oxide

Guidance literature:: Multi-step reaction with 4 steps

1.1: AlCl₃ / CH₂Cl₂ / 1.25 h / -78 - 20 °C

1.2: CH₂Cl₂ / 3 h / -78 - 20 °C

2.1: LiHMDS / tetrahydrofuran / -78 - 0 °C

3.1: 87 percent / m-CPBA / CH₂Cl₂ / -30 - 0 °C

4.1: 98 percent / pyridinium tribromide / CH₂Cl₂ / -20 - 20 °C

With aluminium trichloride; pyridinium hydrobromide perbromide; 3-chloro-benzenecarboperoxoic acid; lithium hexamethyldisilazane; In tetrahydrofuran; dichloromethane;
DOI:10.1002/1099-0690(200202)2002:4<675::AID-EJOC675>3.0.CO;2-Z

Reference yield:

: 921-26-6
N,N-diisopropylphosphoramide dichloride

: 433267-12-0
2,5-dibromo-2,5-dihydro-1-(diisopropylamino)-3,4-diphenylphosphole 1-oxide

Guidance literature:: Multi-step reaction with 4 steps

1.1: AlCl₃ / CH₂Cl₂ / 1.25 h / -78 - 20 °C

1.2: CH₂Cl₂ / 3 h / -78 - 20 °C

2.1: LiHMDS / tetrahydrofuran / -78 - 0 °C

3.1: 87 percent / m-CPBA / CH₂Cl₂ / -30 - 0 °C

4.1: 98 percent / pyridinium tribromide / CH₂Cl₂ / -20 - 20 °C

With aluminium trichloride; pyridinium hydrobromide perbromide; 3-chloro-benzenecarboperoxoic acid; lithium hexamethyldisilazane; In tetrahydrofuran; dichloromethane;
DOI:10.1002/1099-0690(200202)2002:4<675::AID-EJOC675>3.0.CO;2-Z