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4-(Naphthalen-1-yl)phenylboronic acid

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4-(Naphthalen-1-yl)phenylboronic acid Basic information
Application
Product Name:4-(Naphthalen-1-yl)phenylboronic acid
Synonyms:-(1-Naphthyl)benzeneboronic Acid;4-(1-naphthalenyl)phenylboronic acid;Boronic acid, [4-(1-napht;4-(1-naphthyl)phenylboronic acid (1NPBA);4-(Naphthalen-1-yl);4-(1-phthyl)phenylboronic acid;4-(1-NAPHTHYL)PHENYLBORONIC ACID (CONTAINS VARYING AMOUNTS OF ANHYDRIDE),97.0+%(T);4-(1-Naphthyl)benzeneboronic Acid
CAS:870774-25-7
MF:C16H13BO2
MW:248.08
EINECS:678-309-0
Product Categories:OLED materials,pharm chemical,electronic;B (Classes of Boron Compounds);Boronic Acids
Mol File:870774-25-7.mol
4-(Naphthalen-1-yl)phenylboronic acid Structure
4-(Naphthalen-1-yl)phenylboronic acid Chemical Properties
Boiling point 449.4±48.0 °C(Predicted)
density 1.23±0.1 g/cm3(Predicted)
storage temp. under inert gas (nitrogen or Argon) at 2-8°C
solubility soluble in Tetrahydrofuran
pka8.58±0.16(Predicted)
form powder to crystal
color White to Light yellow
InChIInChI=1S/C16H13BO2/c18-17(19)14-10-8-13(9-11-14)16-7-3-5-12-4-1-2-6-15(12)16/h1-11,18-19H
InChIKeyBQHVXFQXTOIMQM-UHFFFAOYSA-N
SMILESB(C1=CC=C(C2=C3C(C=CC=C3)=CC=C2)C=C1)(O)O
Safety Information
TSCA TSCA listed
HS Code 2931900090
MSDS Information
4-(Naphthalen-1-yl)phenylboronic acid Usage And Synthesis
Application4-(1-Naphthyl)phenylboronic acid is an acid derivative that can be used as an intermediate in organic synthesis.
Chemical Propertiesoff-white powder
Synthesis
1-(4-Bromophenyl)-naphthlene

204530-94-9

4-(NAPHTHALEN-1-YL)PHENYLBORONIC ACID

870774-25-7

A mixed solution of 208.8 g (737.4 mmol) of 1-(4-bromophenyl)naphthalene with 2.1 L of anhydrous tetrahydrofuran (THF) was cooled to -60 °C under argon protection. Subsequently, 567 mL (884.9 mmol) of 1.56 M n-butyllithium hexane solution was added slowly dropwise under stirring conditions. After the dropwise addition was completed, the reaction mixture was continued to be stirred at -60 °C for 2 hours. Maintaining the temperature at -60 °C, 416 g (2.21 mol) of triisopropyl borate was added dropwise to the reaction system. After completion of the dropwise addition, the reaction mixture was gradually warmed to room temperature and stirred for 17 hours. At the end of the reaction, an aqueous hydrochloric acid solution was added to the mixture and stirred for 1 hour at room temperature. The reaction mixture was extracted with toluene, and the aqueous phase was separated and discarded. The organic phase was dried with magnesium sulfate and the solvent was removed by distillation under reduced pressure. The resulting solid was purified by recrystallization from toluene to give 126 g of 4-(1-naphthyl)phenylboronic acid in 67% yield.

References[1] Patent: US2010/331585, 2010, A1. Location in patent: Page/Page column 96-97
4-(Naphthalen-1-yl)phenylboronic acid Preparation Products And Raw materials
Raw materialsTrimethyl borate-->1-(4-Bromophenyl)-naphthlene-->Triisopropyl borate-->n-Butyllithium-->Hydrochloric acid-->Water
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