5-Methyl-1-phenyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole - Names and Identifiers
Name | 5-Methyl-1-phenyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole
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Synonyms | 5-METHYL-1-PHENYL PYRAZOLE-4-pinacol ester 5-Methyl-1-phenyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborol 5-METHYL-1-PHENYL-1H-PYRAZOLE-4-BORONIC ACID PINACOL ESTER 5-Methyl-1-phenyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl) 5-Methyl-1-phenyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole 5-METHYL-1-PHENYL-4-(4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOROLAN-2-YL)-1H-PYRAZOLE 1H-pyrazole, 5-methyl-1-phenyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)- 5-Methyl-1-phenyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole, 2-(5-Methyl-1-phenyl-1H-pyrazol-4-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane
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CAS | 849776-88-1
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InChI | InChI=1/C16H21BN2O2/c1-12-14(17-20-15(2,3)16(4,5)21-17)11-18-19(12)13-9-7-6-8-10-13/h6-11H,1-5H3 |
5-Methyl-1-phenyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole - Physico-chemical Properties
Molecular Formula | C16H21BN2O2
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Molar Mass | 284.16 |
Density | 1.07g/cm3 |
Melting Point | 109.5-112 |
Boling Point | 404.6°C at 760 mmHg |
Flash Point | 198.5°C |
Vapor Presure | 2.19E-06mmHg at 25°C |
Storage Condition | under inert gas (nitrogen or Argon) at 2-8°C |
Refractive Index | 1.543 |
5-Methyl-1-phenyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole - Risk and Safety
5-Methyl-1-phenyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole - Introduction
5-Methyl-1-phenyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole is an organic compound containing a pyrazole ring and a benzene ring in its structure. Its chemical formula is C17H21BN2O2 and its molecular weight is 288.17g/mol.
Nature:
-Appearance: 5-Methyl-1-phenyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole is a solid, commonly white crystal.
-Melting point: Its melting point is about 129-133 degrees Celsius.
-Solubility: 5-Methyl-1-phenyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole is soluble in common organic solvents, such as ethyl acetate, chloroform and dimethylformamide.
Use:
- 5-Methyl-1-phenyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole is an important organic synthesis intermediate, which can be used to construct nitrogen-containing heterocyclic compounds.
-It is widely used in the fields of pharmacy, material science and organic synthesis, as an important raw material for the synthesis of complex organic molecules.
Preparation Method:
- 5-Methyl-1-phenyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole can be prepared by a variety of synthetic methods. One commonly used method is the reaction synthesis in the presence of acetylacetone and p-methyl phenyl borate.
Safety Information:
Safety information related to -5-Methyl-1-phenyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole is rarely reported. Since it is an organic compound, it should follow routine laboratory safety procedures. Avoid contact with skin and eyes, avoid inhaling its dust or gas. According to the results of the toxicity test, the acute toxicity of this compound is low, but it is still necessary to maintain appropriate laboratory safety measures during handling. It is best to consult the chemical supplier or chemical specialist for more detailed safety information before operation.
Last Update:2024-04-10 22:29:15