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1-Benzyl-4-pyrazoleboronic Acid Pinacol Ester

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Origin: China

Cas No: 761446-45-1

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 100 mt/month

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

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Products Specification
Product Description

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CAS No.: 761446-45-1 Formula: C16H21BN2O2 Molecular Weight: 284.16100

Basic Info

Chemical Name	1-Benzyl-4-pyrazoleboronic Acid Pinacol Ester
Synonyms	1-benzyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrazole;
CAS No.	761446-45-1
Molecular Formula	C16H21BN2O2
Molecular Weight	284.16100
PSA	36.28000
LogP	2.23060

Properties

Appearance & Physical State	off-white to light yellow crystals
Density	1.07g/cm3
Boiling Point	427.9ºC at 760 mmHg
Melting Point	86-91ºC
Flash Point	212.6ºC
Refractive Index	1.542

Safety Info

Safety Statements	S26-S37/39
HS Code	2934999090
WGK Germany	3
Risk Statements	R36/37/38
Hazard Codes	Xi

Synthesis Route

1H-(N-Benzyl)-4-iodopyrazole+Bis(pinacolato)diboron→1-Benzyl-4-pyrazoleboronic Acid Pinacol Ester
4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole+benzyl bromide→1-Benzyl-4-pyrazoleboronic Acid Pinacol Ester
1H-(N-Benzyl)-4-iodopyrazole+4,4,5,5-tetramethyl-1,3,2λ<sup>2</sup>-dioxaborolane→1-Benzyl-4-pyrazoleboronic Acid Pinacol Ester

Precursor

4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole
4,4,5,5-tetramethyl-1,3,2λ<sup>2</sup>-dioxaborolane
benzyl bromide
1H-(N-Benzyl)-4-iodopyrazole

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