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595314

Sigma-Aldrich

1-Methylpyrazole-4-boronic acid pinacol ester

95%

Synonym(s):

1-Methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole, 1-Methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrazole, 1-Methyl-4-pyrazoleboronic acid pinacol ester, 2-(1-Methylpyrazol-4-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane, 4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1-methylpyrazole

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About This Item

Empirical Formula (Hill Notation):
C10H17BN2O2
CAS Number:
761446-44-0
Molecular Weight:
208.07
MDL number:
MFCD03789259
UNSPSC Code:
12352103
PubChem Substance ID:
24881568
NACRES:
NA.22

Assay

95%

form

solid

mp

59-64 °C (lit.)

SMILES string

Cn1cc(cn1)B2OC(C)(C)C(C)(C)O2

InChI

1S/C10H17BN2O2/c1-9(2)10(3,4)15-11(14-9)8-6-12-13(5)7-8/h6-7H,1-5H3

InChI key

UCNGGGYMLHAMJG-UHFFFAOYSA-N

Application

Reagent used for
  • Suzuki-Miyaura cross-coupling reactions
  • Transesterification reactions

Reagent used for preparation of
  • Aminothiazoles as γ-secretase modulators
  • Amino-pyrido-indol-carboxamides, as potential JAK2 inhibitors for myeloproliferative disorders therapy
  • Pyridine derivatives as TGF-β1 and activin A signalling inhibitors
  • MK-2461 analogs as inhibitors of c-Met kinase for the treatment of cancer
Stable alternative to the boronic acid for Suzuki-Miyaura palladium-catalyzed cross-coupling

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

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Direct conversion of pinacol arylboronic esters to aryl triolborates
Li, G.-Q.; et al.
Chemistry Letters (Jpn), 40, 702-704 (2011)
Brijesh Bhayana et al.
Organic letters, 11(17), 3954-3957 (2009-08-12)
A catalyst system for the Suzuki-Miyaura cross-coupling reactions of aryl and vinyl tosylates and mesylates has been developed. This catalyst displays excellent functional group tolerance and allows the coupling of heteroarylboronic acids with aryl tosylates and mesylates to be performed
Thomas Lübbers et al.
Bioorganic & medicinal chemistry letters, 21(21), 6554-6558 (2011-09-20)
We herein report the discovery of a new γ-secretase modulator class with an aminothiazole core starting from a HTS hit (3). Synthesis and SAR of this series are discussed. These novel compounds demonstrate moderate to good in vitro potency in
Guopin Xu et al.
Organic letters, 7(21), 4605-4608 (2005-10-08)
[reaction: see text] The synthesis of a series of NHC building blocks that can then be incorporated into more complicated structures by palladium catalysis is reported. This approach is used for the synthesis of three amino acids containing NHC side
Suzuki-Miyaura cross-coupling reaction of aryl and heteroaryl pinacol boronates for the synthesis of 2-substituted pyrimidines
Asano, S.; Kamioka, S.; Isobe, Y.
Tetrahedron, 68, 272-279 (2012)
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Suzuki-Miyaura Cross-Coupling Reagents

Suzuki-Miyaura cross-coupling reaction is extensively used in organic chemistry, polymer science, and pharmaceutical industries.

Suzuki-Miyaura Cross-Coupling Reagents

Suzuki-Miyaura cross-coupling reaction is extensively used in organic chemistry, polymer science, and pharmaceutical industries.

Suzuki-Miyaura Cross-Coupling Reagents

Suzuki-Miyaura cross-coupling reaction is extensively used in organic chemistry, polymer science, and pharmaceutical industries.

Suzuki-Miyaura Cross-Coupling Reagents

Suzuki-Miyaura cross-coupling reaction is extensively used in organic chemistry, polymer science, and pharmaceutical industries.

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