3,4-Dibromo-1-phenylphospholane 1-oxide

Base Information

• Chemical Name: 3,4-Dibromo-1-phenylphospholane 1-oxide
• CAS No.: 72620-95-2
• Molecular Formula: C₁₀H₁₁Br₂OP
• Molecular Weight: 337.978
• NSC Number: 33502
• DSSTox Substance ID: DTXSID80283798
• Mol file: 72620-95-2.mol

Synonyms:72620-95-2;3,4-dibromo-1-phenylphospholane 1-oxide;NSC33502;SCHEMBL11453050;DTXSID80283798;NSC-33502

Chemical Property of 3,4-Dibromo-1-phenylphospholane 1-oxide

Chemical Property:

• Vapor Pressure: 4.77E-08mmHg at 25°C
• Boiling Point: 455.4°Cat760mmHg
• Flash Point: 229.2°C
• Density: 1.76g/cm³
• XLogP3: 2.4
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 1
• Rotatable Bond Count: 1
• Exact Mass: 337.88938
• Heavy Atom Count: 14
• Complexity: 237

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C1C(C(CP1(=O)C2=CC=CC=C2)Br)Br

Technology Process of 3,4-Dibromo-1-phenylphospholane 1-oxide

There total 2 articles about 3,4-Dibromo-1-phenylphospholane 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:

1-phenyl-3-phospholene 1-oxide (5186-73-2) → 3,4-Dibromophospholane oxide (20380-19-2,72620-95-2)

Guidance literature:

With bromine; In chloroform;

Reference yield:

buta-1,3-diene (106-99-0,130983-70-9,29406-96-0,9003-17-2) + phenyldibromophosphine (1073-47-8) → 3,4-Dibromophospholane oxide (20380-19-2,72620-95-2)

Guidance literature:

With water; bromine; Multistep reaction;

DOI:10.1016/S0040-4039(00)86268-1

Reference yield: 94.0%

3,4-Dibromo-1-phenylphospholane 1-oxide (72620-95-2,20380-19-2) → 1,syn-8-Diphenyl-3a,4,7,7a-tetrahydro-4,7-phosphinidene-1(H)-phosphindole 1,8-Dioxide (76549-54-7)

Guidance literature:

With triethylamine; In acetone; 1.) 0 deg C, 1.5 h, 2.) 10 - 20 deg C, 18 h;

DOI:10.1021/jo00169a029

upstream raw materials:

1-phenyl-3-phospholene 1-oxide

buta-1,3-diene

phenyldibromophosphine

Downstream raw materials:

1,syn-8-Diphenyl-3a,4,7,7a-tetrahydro-4,7-phosphinidene-1(H)-phosphindole 1,8-Dioxide

(1S,2R,6R,7R)-3-Phenyl-3-phospha-tricyclo[5.2.1.0^2,6]deca-4,8-diene 3-oxide

C₁₅H₁₅OP

1-Phenylphosphole