Synthesis of pinacol esters of 1??alkyl??1H??pyrazol??5??yl??and 1??alkyl??1H??pyrazol??4??ylboronic acids

AV Ivachtchenko, DV Kravchenko…

Index: Journal of Heterocyclic Chemistry, , vol. 41, # 6 p. 931 - 939

Full Text: HTML

Citation Number: 25

Abstract

... The synthesized pinacolates are stable under pro- longed storage and can be used as convenient reagents in organic synthesis. J. Heterocyclic Chem., 41, 931 (2004). Introduction. ... The scope and limitations of the involved chemistry are discussed. ...

 Related Synthetic Route
4-Bromo-3,5-dimethylpyrazole Structure

3398-16-1

4-Bromo-3,5-dim...

~%

1,3,5-TRIMETHYL-4-(4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOROLAN-2-YL)-1H-PYRAZOLE Structure

844891-04-9

1,3,5-TRIMETHYL...

4-Bromo-1,3,5-Trimethyl-1H-Pyrazole Structure

15801-69-1

4-Bromo-1,3,5-T...

~%

1,3,5-TRIMETHYL-4-(4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOROLAN-2-YL)-1H-PYRAZOLE Structure

844891-04-9

1,3,5-TRIMETHYL...

Isoamyl bromide Structure

107-82-4

Isoamyl bromide

~%

1-ISOPENTYL-4-(4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOROLAN-2-YL)-1H-PYRAZOLE Structure

777063-41-9

1-ISOPENTYL-4-(...

4-Bromo-1-isopentylpyrazole Structure

847818-48-8

4-Bromo-1-isope...

~%

1-ISOPENTYL-4-(4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOROLAN-2-YL)-1H-PYRAZOLE Structure

777063-41-9

1-ISOPENTYL-4-(...

4-Bromo-1-propyl-1H-pyrazole Structure

141302-33-2

4-Bromo-1-propy...

~%

1-Propyl-1H-pyrazole-4-boronic acid pinacol ester Structure

827614-69-7

1-Propyl-1H-pyr...

4-Bromo-1-ethyl-1H-pyrazole Structure

71229-85-1

4-Bromo-1-ethyl...

~%

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

847818-70-6

1-Ethyl-4-(4,4,...

4-bromo-1-(2-methoxyethyl)-1H-pyrazole Structure

847818-49-9

4-bromo-1-(2-me...

~%

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

847818-71-7

1-(2-Methoxyeth...

4-Bromo-1-methyl-1H-pyrazole Structure

15803-02-8

4-Bromo-1-methy...

~38%

(1-Methyl-1H-pyrazol-4-yl)boronic acid Structure

847818-55-7

(1-Methyl-1H-py...

Pinacol Structure

76-09-5

Pinacol

(1-Methyl-1H-pyrazol-5-yl)boronic acid Structure

720702-41-0

(1-Methyl-1H-py...

~85%

1-Methyl-1H-pyrazole-5-boronicacidpinacolester Structure

847818-74-0

1-Methyl-1H-pyr...

4-Bromo-3,5-dimethylpyrazole Structure

3398-16-1

4-Bromo-3,5-dim...

~%

(1,3,5-TRIMETHYL-1H-PYRAZOL-4-YL)BORONIC ACID Structure

847818-62-6

(1,3,5-TRIMETHY...


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