9,9'-spirobi[fluorene]-2,2'-diyldiboronic acid pinacol ester

Base Information

Chemical Name:9,9'-spirobi[fluorene]-2,2'-diyldiboronic acid pinacol ester
CAS No.:676168-63-1
Molecular Formula:C₃₇H₃₈B₂O₄
Molecular Weight:568.328
Hs Code.:
Mol file:676168-63-1.mol

Synonyms:1,3,2-Dioxaborolane, 2,2'-(9,9'-spirobi[9H-fluorene]-2,2'-diyl)bis[4,4,5,5-tetramethyl-;

Suppliers and Price of 9,9'-spirobi[fluorene]-2,2'-diyldiboronic acid pinacol ester

Supply Marketing:

Business phase:: The product has achieved commercial mass production^*data from LookChem market partment

Manufacturers and distributors:

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Total 14 raw suppliers

Chemical Property of 9,9'-spirobi[fluorene]-2,2'-diyldiboronic acid pinacol ester

Chemical Property:

Melting Point:204-205 °C(Solv: pentane (109-66-0))
Boiling Point:682.8±55.0 °C(Predicted)
PSA：36.92000
Density:1.20±0.1 g/cm3(Predicted)
LogP:6.62850

Purity/Quality:: ≥99% ^*data from raw suppliers

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Technology Process of 9,9'-spirobi[fluorene]-2,2'-diyldiboronic acid pinacol ester

There total 3 articles about 9,9'-spirobi[fluorene]-2,2'-diyldiboronic acid pinacol ester 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: 90.0%

: 676168-63-1,861455-18-7,861455-26-7
2,2'-bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-9,9'-spirobi[fluorene]

Guidance literature:: With dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH₂Cl₂; potassium carbonate; In toluene; for 16h; Reflux;

Reference yield: 73.0%

: 67665-47-8
2,2′-dibromo-9,9′-spirobi[9H-fluorene]

: 73183-34-3
bis(pinacol)diborane

: 676168-63-1,861455-18-7,861455-26-7
2,2'-bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-9,9'-spirobi[fluorene]

Guidance literature:: 2,2′-dibromo-9,9′-spirobi[9H-fluorene]; bis(pinacol)diborane; With potassium acetate; In 1,4-dioxane; at 70 ℃; for 0.5h; Inert atmosphere;

With (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; In 1,4-dioxane; at 60 ℃; Inert atmosphere;