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trans-beta-Styrylboronic acid pinacol ester

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Origin: China

Cas No: 83947-56-2

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 50 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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CAS No.: 83947-56-2 Formula: C14H19BO2 Molecular Weight: 230.11000

Basic Info

Chemical Name	trans-beta-Styrylboronic acid pinacol ester
Synonyms	trans-2-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)styrene; (E)-4,4,5,5-tetramethyl-2-styryl-1,3,2-dioxaborolane; E-Phenylethenylboronic acid,pinacol ester; trans-2-Phenylvinylboronic acid pinacol este; trans-Styrylboronic acid, pinacol este; TRANS-2-(4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOROLAN-2-YL)-STYROL; [(E)-2-Phenylvinyl]boronic acid, pinacol este; E-Phenylethenylboronic acid, pinacol este; TRANS-STYRYLBORONIC ACID, PINACOL ESTER; [(E)-2-PHENYLVINYL]BORONIC ACID, PINACOL ESTER; TRANS-2-PHENYLVINYLBORONIC ACID PINACOL ESTER; TRANS-2-(4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOROLAN-2-; TRANS-2-PHENYLVINYLBORONIC ACID PINACOL; SODIUM 4-HYDROXYBUTYRATE; 1,3,2-DIOXABOROLANE,4,4,5,5-TETRAMETHYL-2-[(1E)-2-PHENYLETHENYL]-;
CAS No.	83947-56-2
Molecular Formula	C14H19BO2
Molecular Weight	230.11000
PSA	18.46000
LogP	3.33120

Properties

Density	0.99g/cm3
Boiling Point	128ºC/4mm
Melting Point	27-33ºC(lit.)
Flash Point	>230 °F
Refractive Index	1.529

Safety Info

HS Code	2934999090
WGK Germany	3

Synthesis Route

Phenylacetylene+Bis(pinacolato)diboron→trans-beta-Styrylboronic acid pinacol ester
2,3-dimethylbutane-2,3-diol+E-PHENYLETHENYLBORONIC ACID→trans-beta-Styrylboronic acid pinacol ester
Phenylacetylene+4,4,5,5-tetramethyl-1,3,2λ<sup>2</sup>-dioxaborolane→trans-beta-Styrylboronic acid pinacol ester

Precursor

2,3-dimethylbutane-2,3-diol
E-PHENYLETHENYLBORONIC ACID
4,4,5,5-tetramethyl-1,3,2λ<sup>2</sup>-dioxaborolane
Phenylacetylene

Downstream Product

Trans-1-Phenyl-1-Propene
2-azidoethenylbenzene
(3-benzylidene-2,4,5-triphenylcyclopenta-1,4-dien-1-yl)benzene
2-diethoxyphosphorylethenylbenzene

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