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1-Boc-4-pyrazoleboronic Acid Pinacol Ester

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Origin: China

Cas No: 552846-17-0

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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Products Specification
Product Description

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CAS No.: 552846-17-0 Formula: C14H23BN2O4 Molecular Weight: 294.15400

Basic Info

Chemical Name	1-Boc-4-pyrazoleboronic Acid Pinacol Ester
Synonyms	tert-butyl 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrazole-1-carboxylate;
CAS No.	552846-17-0
Molecular Formula	C14H23BN2O4
Molecular Weight	294.15400
PSA	62.58000
LogP	1.96550

Properties

Appearance & Physical State	white to beige crystalline powder
Density	1.097 g/cm3
Boiling Point	387.895ºC at 760 mmHg
Melting Point	82-89ºC
Refractive Index	1.502
Storage Condition	Refrigerator (+4ºC)

Safety Info

Safety Statements	S26-S37/39
HS Code	2934999090
Risk Statements	R22; R36/37/38
Hazard Codes	Xn

Synthesis Route

4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole+tert-butoxycarbonyl anhydride→1-Boc-4-pyrazoleboronic Acid Pinacol Ester
4,4,5,5-tetramethyl-1,3,2λ<sup>2</sup>-dioxaborolane+tert-butyl pyrazole-1-carboxylate→1-Boc-4-pyrazoleboronic Acid Pinacol Ester
4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole→1-Boc-4-pyrazoleboronic Acid Pinacol Ester

Precursor

tert-butyl pyrazole-1-carboxylate
4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole
tert-butoxycarbonyl anhydride
4,4,5,5-tetramethyl-1,3,2λ<sup>2</sup>-dioxaborolane

Downstream Product

4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole

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