9,9-Diphenylfluorene-2-Boronic acid pinacol ester
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9,9-Diphenylfluorene-2-Boronic acid pinacol ester
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CAS No:
462128-39-8
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Formula:
C31H31BO3
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Chemical Name:
9,9-Diphenylfluorene-2-Boronic acid pinacol ester
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Synonyms:
9,9-Diphenylfluorene-2-Boronic acid pinacol ester;2-(9,9-Diphenyl-9H-fluoren-2-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane;9,9-Diphenyl-9H-fluoren-2-ylboronic acid pinacol ester;2-(9,9-Diphenyl-9H-fluoren-2-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane;9,9-Diphenylfluorene-2-Boronic acid picol ester;2-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-9,9-diphenylfluorene
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CAS No:
Characteristics
18.5
6.34890
1.2±0.1 g/cm3
198.0 to 202.0 °C
556.2±29.0°C at 760 mmHg
290.2±24.3 °C
1.638
Safety Information
P261, P264, P270, P271, P273, P280, P301+P312, P302+P352, P304+P340, P305+P351+P338, P312, P321, P330, P332+P313, P337+P313, P362, P403+P233, P405, P501
H302
|Warning|H302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]|P261, P264, P270, P271, P273, P280, P301+P312, P302+P352, P304+P340, P305+P351+P338, P312, P321, P330, P332+P313, P337+P313, P362, P403+P233, P405, and P501|The GHS information provided by 1 company from 1 notification to the ECHA C&L Inventory.
9,9-Diphenylfluorene-2-Boronic acid pinacol ester Use and Manufacturing
Preparation of Compound 50-1 Reflux in a single neck round bottom flask2-bromo-9, 9-diphenyl -9H- fluorene (40g, 100.67mmol), Diboron (51.1g, 201.34mmol), PdCl2 (dppf) (2.2g, 3.02mmol), KOAc (29.6g, 302.01mmol)And DMF (400ml)mixture.The mixture was extracted with MC and dried over MgSO4, Then using a vacuum rotary evaporator to remove the DMF.Concentrate was purified by column chromatography (SiO2, hexane: dichloromethane = 1: 1) to give a white solid was isolated compound 50-1 (41g, 91percent).
Computed Properties
Molecular Weight:444.4
Hydrogen Bond Acceptor Count:2
Rotatable Bond Count:3
Exact Mass:444.2260603
Monoisotopic Mass:444.2260603
Topological Polar Surface Area:18.5
Heavy Atom Count:34
Complexity:685
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes
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