1,1,3,3-Tetramethyl-2,1,3-benzoxadisilole

Base Information

• Chemical Name: 1,1,3,3-Tetramethyl-2,1,3-benzoxadisilole
• CAS No.: 15074-38-1
• Molecular Formula: C10H16OSi2
• Molecular Weight: 208.4
• Hs Code.: 2934999090
• DSSTox Substance ID: DTXSID90466510
• Nikkaji Number: J1.275.420E
• Wikidata: Q82293084
• Mol file: 15074-38-1.mol

Synonyms:1,1,3,3-Tetramethyl-2,1,3-benzoxadisilole;15074-38-1;1,3-DIHYDRO-1,1,3,3-TETRAMETHYL-2,1,3-BENZOXADISILOLE;1,1,3,3-tetramethyl-1,3-disila-2-oxaindane;DTXSID90466510;1,1,3,3-Tetramethyl-1,3-dihydro-2,1,3-benzoxadisilole;1,1,3,3-tetramethyl-4,5-benzo-2-oxa-1,3-disilacyclopent-4-ene

Chemical Property of 1,1,3,3-Tetramethyl-2,1,3-benzoxadisilole

Chemical Property:

• PSA: 9.23000
• LogP: 1.54100
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 1
• Rotatable Bond Count: 0
• Exact Mass: 208.07396820
• Heavy Atom Count: 13
• Complexity: 191

Purity/Quality:

99% ^*data from raw suppliers

1,1,3,3-TETRAMETHYL-1,3-DIHYDRO-2,1,3-BENZOXADISILOLE 95.00% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C[Si]1(C2=CC=CC=C2[Si](O1)(C)C)C

Technology Process of 1,1,3,3-Tetramethyl-2,1,3-benzoxadisilole

There total 5 articles about 1,1,3,3-Tetramethyl-2,1,3-benzoxadisilole 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%

1,2-bis(dimethylsilyl)benzene (17985-72-7) → 1,1,3,3-tetramethyl-1,3-dihydrobenzo[c][1,2,5]oxadisilole (15074-38-1)

Guidance literature:

With sodium methylate; In methanol; water; at 50 ℃;

DOI:10.1016/S0040-4039(00)01128-X

Reference yield: 85.0%

1,2-bis(dimethylchlorosilyl)benzene (109756-03-8) → 2,3-benzo-1,1,2,2-tetramethyl-1,2-disilacyclopent-3-ene (109756-04-9) + 1,1,3,3-tetramethyl-1,3-dihydrobenzo[c][1,2,5]oxadisilole (15074-38-1)

Guidance literature:

With sodium; In toluene; Title compound not separated from byproducts; Heating;

DOI:10.1016/0022-328X(86)80202-9

Reference yield: 26.0%

1,1,2,2,9,9,10,10-octamethyl-1,2,9,10-tetrasila<2.2>ortocyclophane (85263-70-3) → 4,5-benzo-1,1,2,2,3,3-hexamethyl-1,2,3-trisilacyclopentene + 3,4,6,7-dibenzo-1,1,2,2,5,5-hexamethyl-1,2,3-trisilacycloheptadiene + 4,5,7,8-dibenzo-1,1,2,2,3,3,6,6-octamethyl-1,2,3,6-tetrasilacycloocta-4,7-diene + 1,1,2,3,3-Pentamethyl-2-(2-trimethylsilanyl-phenyl)-1,2,3-trisila-indan + 1,1,3,3-tetramethyl-1,3-dihydrobenzo[c][1,2,5]oxadisilole (15074-38-1)

Guidance literature:

tetrakis(triphenylphosphine) palladium⁽⁰⁾; In benzene-d6; at 120 ℃; for 6h; Product distribution; in sealed/opened NMR tube; varying reaction time;

DOI:10.1016/0022-328X(96)06318-8

upstream raw materials:

1,2-bis(dimethylsilyl)benzene

1,2-bis(dimethylchlorosilyl)benzene

1,1,2,2,9,9,10,10-octamethyl-1,2,9,10-tetrasila<2.2>ortocyclophane

2,3-dibromobenzene

Downstream raw materials:

2-(hydroxydimethylsilyl)phenyliodonium triflate