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1H-Pyrazole, 1-(1-Methylethyl)-4-(4,4,5,5-tetraMethyl-1,3,2-dioxaborolan-2-yl)-, also known as 1-Isopropyl-1H-pyrazole-4-boronic acid pinacol ester, is an organic compound that serves as a key intermediate in the synthesis of various pharmaceutical compounds. It is characterized by its unique structure, which includes a pyrazole ring and a boronic acid pinacol ester group, making it a versatile building block in organic synthesis.

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  • 1-(1-METHYLETHYL)-4-(4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOROLAN-2-YL)-1H-PYRAZOLE

    Cas No: 879487-10-2

  • USD $ 1.9-2.9 / Gram

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  • 879487-10-2 Structure
  • Basic information

    1. Product Name: 1H-Pyrazole, 1-(1-Methylethyl)-4-(4,4,5,5-tetraMethyl-1,3,2-dioxaborolan-2-yl)-
    2. Synonyms: 1H-Pyrazole, 1-(1-Methylethyl)-4-(4,4,5,5-tetraMethyl-1,3,2-dioxaborolan-2-yl)-;1-(1-Methylethyl)-4-(4,4,5,5-tetraMethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole;1-isopropyl-4-(4,4,5,5-tetraMethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole;1-(propan-2-yl)-4-(tetraMethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole;1-Isopropylpyrazole-4-boronic acid,pinacol ester;1-isopropyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrazole;1-Isopropyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl);1-propan-2-yl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrazole
    3. CAS NO:879487-10-2
    4. Molecular Formula: C12H21BN2O2
    5. Molecular Weight: 236.11834
    6. EINECS: N/A
    7. Product Categories: N/A
    8. Mol File: 879487-10-2.mol
  • Chemical Properties

    1. Melting Point: 36-44°C
    2. Boiling Point: 327.26°C at 760 mmHg
    3. Flash Point: >110℃
    4. Appearance: /
    5. Density: 1.037g/cm3
    6. Vapor Pressure: 0mmHg at 25°C
    7. Refractive Index: 1.503
    8. Storage Temp.: 2-8°C
    9. Solubility: soluble in Methanol
    10. PKA: 2.13±0.10(Predicted)
    11. CAS DataBase Reference: 1H-Pyrazole, 1-(1-Methylethyl)-4-(4,4,5,5-tetraMethyl-1,3,2-dioxaborolan-2-yl)-(CAS DataBase Reference)
    12. NIST Chemistry Reference: 1H-Pyrazole, 1-(1-Methylethyl)-4-(4,4,5,5-tetraMethyl-1,3,2-dioxaborolan-2-yl)-(879487-10-2)
    13. EPA Substance Registry System: 1H-Pyrazole, 1-(1-Methylethyl)-4-(4,4,5,5-tetraMethyl-1,3,2-dioxaborolan-2-yl)-(879487-10-2)
  • Safety Data

    1. Hazard Codes: Xi
    2. Statements: 36/37/38
    3. Safety Statements: 26
    4. WGK Germany: 3
    5. RTECS:
    6. HazardClass: N/A
    7. PackingGroup: N/A
    8. Hazardous Substances Data: 879487-10-2(Hazardous Substances Data)

879487-10-2 Usage

Uses

Used in Pharmaceutical Industry:
1H-Pyrazole, 1-(1-Methylethyl)-4-(4,4,5,5-tetraMethyl-1,3,2-dioxaborolan-2-yl)is used as a reactant for the synthesis of Imidazo[1,2-a]pyrazine based phosphodiesterase 10A inhibitors. These inhibitors are important in the development of drugs targeting neurological disorders, such as schizophrenia and depression, due to their ability to modulate the activity of phosphodiesterase 10A, an enzyme implicated in these conditions.
Additionally, 1H-Pyrazole, 1-(1-Methylethyl)-4-(4,4,5,5-tetraMethyl-1,3,2-dioxaborolan-2-yl)is used as a reactant for the synthesis of Pyrido[3,4-d]pyrimidin-4-(3H)-one based KDM4 and KDM5 (histone lysine demethylase families) inhibitors. These inhibitors play a crucial role in the regulation of gene expression and have potential applications in the treatment of various diseases, including cancer, by targeting the epigenetic modifications of histone proteins.

Check Digit Verification of cas no

The CAS Registry Mumber 879487-10-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,9,4,8 and 7 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 879487-10:
(8*8)+(7*7)+(6*9)+(5*4)+(4*8)+(3*7)+(2*1)+(1*0)=242
242 % 10 = 2
So 879487-10-2 is a valid CAS Registry Number.
InChI:InChI=1/C12H21BN2O2/c1-9(2)15-8-10(7-14-15)13-16-11(3,4)12(5,6)17-13/h7-9H,1-6H3

879487-10-2 Well-known Company Product Price

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  • Aldrich

  • (716243)  1-Isopropyl-1H-pyrazole-4-boronicacidpinacolester  97%

  • 879487-10-2

  • 716243-250MG

  • 1,085.76CNY

  • Detail
  • Aldrich

  • (716243)  1-Isopropyl-1H-pyrazole-4-boronicacidpinacolester  97%

  • 879487-10-2

  • 716243-1G

  • 3,018.60CNY

  • Detail

879487-10-2SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 17, 2017

Revision Date: Aug 17, 2017

1.Identification

1.1 GHS Product identifier

Product name 1-propan-2-yl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrazole

1.2 Other means of identification

Product number -
Other names 1-Isopropyl-1H-pyrazole-4-boronic acid pinacol ester

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:879487-10-2 SDS

879487-10-2Relevant articles and documents

PHD INHIBITOR COMPOUNDS, COMPOSITIONS, AND METHODS OF USE

-

Paragraph 0533; 0535-0536, (2022/02/28)

The present invention provides, in part, novel small molecule inhibitors of PHD, having a structure according to Formula (I), and sub-formulas thereof: or a pharmaceutically acceptable salt thereof. The compounds provided herein can be useful for treatment of diseases including heart (e.g. ischemic heart disease, congestive heart failure, and valvular heart disease), lung (e.g., lung inflammation, pneumonia, acute lung injury, pulmonary hypertension, pulmonary fibrosis, and chronic obstructive pulmonary disease), respiratory (e.g., respiratory infection, acute respiratory distress syndrome), liver (e.g. acute liver failure and liver fibrosis and cirrhosis), and kidney (e.g. acute kidney injury and chronic kidney disease) disease, inflammatory bowel disease (IBD), ischemic reperfusion injury (e.g., stroke), and retinopathy of prematurity (ROP).

PYRAZOLOPYRIMIDINE DERIVATIVE AND USE THEREOF AS PI3K INHIBITOR

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Paragraph 0189-0191, (2021/06/03)

The present invention discloses a series of pyrazolopyrimidine derivatives and use thereof in preparing a medicament for treating a disease related to PI3K, and in particular, discloses a derivative compound of formula (I), a tautomer thereof or a pharmaceutically acceptable composition thereof.

AMINOPYRAZINE COMPOUNDS AS HPK1 INHIBITOR AND THE USE THEREOF

-

Page/Page column 94; 110-111, (2021/02/26)

Disclosed herein is an aminopyrazine compound of Formula (I), or a stereoisomer thereof, or a pharmaceutically acceptable salt thereof, and pharmaceutical compositions comprising thereof. Also disclosed is a method of treating HPK1 related disorders or diseases by using the compound disclosed herein.

NITROGEN-CONTAINING FUSED BICYCLIC COMPOUNDS AND THEIR USE AS UBIQUITIN-SPECIFIC-PROCESSING PROTEASE 1 (USP1) INHIBITORS

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Paragraph 455; 481, (2021/12/28)

The present disclosure provides compounds having Formula (I): (I) and the pharmaceutically acceptable salts and solvates thereof, wherein X1, X2, X3, X4, X5, X6, X7, X8, R1, R2, R6, R6', R7, and R7' are defined as set forth in the specification. The present disclosure is also directed to the use of compounds of Formula (I) to inhibit a USP1 protein and/or to treat a disorder responsive to the inhibition of USP1 proteins and USP1 activity. Compounds of the present disclosure are especially useful for treating cancer.

HETEROCYCLIC COMPOUNDS AND USES THEREOF

-

Paragraph 0132, (2020/10/21)

Heterocyclic compounds as Weel inhibitors are provided. The compounds may find use as therapeutic agents for the treatment of diseases and may find particular use in oncology.

Fused tricyclic compounds and application thereof in medicaments

-

Paragraph 0326-0330, (2020/03/17)

The invention relates to fused tricyclic compounds and an application thereof in medicaments, and in particular to an application of the fused tricyclic compounds in medicaments for treating and/or preventing hepatitis B. In particular, the invention rela

FUSED TRICYCLIC COMPOUNDS AND USES THEREOF IN MEDICINE

-

Paragraph 00194, (2020/03/23)

The present invention relates to a fused tricyclic compound and application thereof in medicine, especially as a medicament for the treatment and/or prevention of hepatitis B. Specifically, the present invention relates to a compound having Formula (I) or

2,4-disubstituted pyrimidine derivative as well as preparation method and application thereof

-

Paragraph 0159-0162, (2021/01/11)

The invention belongs to the field of chemical medicines, and particularly relates to a 2,4-disubstituted pyrimidine derivative as well as a preparation method and application thereof. The invention provides the 2,4-disubstituted pyrimidine derivative, wh

N-(Pyrimidin-2-yl)-1,2,3,4-tetrahydroisoquinolin-6-amine Derivatives as Selective Janus Kinase 2 Inhibitors for the Treatment of Myeloproliferative Neoplasms

Yang, Tao,Hu, Mengshi,Chen, Yong,Xiang, Mingli,Tang, Minghai,Qi, Wenyan,Shi, Mingsong,He, Jun,Yuan, Xue,Zhang, Chufeng,Liu, Kongjun,Li, Jiewen,Yang, Zhuang,Chen, Lijuan

, p. 14921 - 14936 (2020/12/22)

In this study, we described a series of N-(pyrimidin-2-yl)-1,2,3,4-tetrahydroisoquinolin-6-amine derivatives as selective JAK2 (Janus kinase 2) inhibitors. Systematic exploration of the structure-activity relationship though cyclization modification based on previously reported compound 18e led to the discovery of the superior derivative 13ac. Compound 13ac showed excellent potency on JAK2 kinase, SET-2, and Ba/F3V617F cells (high expression of JAK2V617F mutation) with IC50 values of 3, 11.7, and 41 nM, respectively. Further mechanistic studies demonstrated that compound 13ac could downregulate the phosphorylation of downstream proteins of JAK2 kinase in cells. Compound 13ac also showed good selectivity in kinase scanning and potent in vivo antitumor efficacy with 82.3% tumor growth inhibition in the SET-2 xenograft model. Moreover, 13ac significantly ameliorated the disease symptoms in a Ba/F3-JAK2V617F allograft model, with 77.1% normalization of spleen weight, which was more potent than Ruxolitinib.

Discovery of Potent and Orally Effective Dual Janus Kinase 2/FLT3 Inhibitors for the Treatment of Acute Myelogenous Leukemia and Myeloproliferative Neoplasms

Yang, Tao,Hu, Mengshi,Qi, Wenyan,Yang, Zhuang,Tang, Minghai,He, Jun,Chen, Yong,Bai, Peng,Yuan, Xue,Zhang, Chufeng,Liu, Kongjun,Lu, Yulin,Xiang, Mingli,Chen, Lijuan

, p. 10305 - 10320 (2019/11/19)

Herein, we describe the design, synthesis, and structure-activity relationships of a series of unique 4-(1H-pyrazol-4-yl)-pyrimidin-2-amine derivatives that selectively inhibit Janus kinase 2 (JAK2) and FLT3 kinases. These screening cascades revealed that 18e was a preferred compound, with IC50 values of 0.7 and 4 nM for JAK2 and FLT3, respectively. Moreover, 18e was a potent JAK2 inhibitor with 37-fold and 56-fold selectivity over JAK1 and JAK3, respectively, and possessed an excellent selectivity profile over the other 100 representative kinases. In a series of cytokine-stimulated cell-based assays, 18e exhibited a higher JAK2 selectivity over other JAK isoforms. The oral administration of 60 mg/kg of 18e could significantly inhibit tumor growth, with a tumor growth inhibition rate of 93 and 85% in MV4-11 and SET-2 xenograft models, respectively. Additionally, 18e showed an excellent bioavailability (F = 58%), a suitable half-life time (T1/2 = 4.1 h), a satisfactory metabolic stability, and a weak CYP3A4 inhibitory activity, suggesting that 18e might be a potential drug candidate for JAK2-driven myeloproliferative neoplasms and FLT3-internal tandem duplication-driven acute myelogenous leukemia.

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