5-Nitrobenzoxazole-2-amine

Product Name: 5-Nitrobenzoxazole-2-amine
CAS No.: 64037-16-7
Chemical Name: 5-Nitrobenzoxazole-2-amine
Synonyms: 5-Nitro-2-benzoxazolamine;5-Nitrobenzoxazole-2-amine;2-Amino-5-nitrobenzoxazole;2-Benzoxazolamine, 5-nitro-;5-nitro-benzooxazol-2-ylamine;2-Amino-5-nitro-1,3-benzoxazole;5-Nitro-1,3-benzoxazol-2-amine, 2-Amino-5-nitrobenzo[d]oxazole
CBNumber: CB52400612
Molecular Formula: C7H5N3O3
Formula Weight: 179.13
MOL File: 64037-16-7.mol

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5-Nitrobenzoxazole-2-amine Property

Melting point:: 288 °C(Solv: ethanol (64-17-5))
Boiling point:: 387.6±34.0 °C(Predicted)
Density: 1.575±0.06 g/cm3(Predicted)
storage temp.: under inert gas (nitrogen or Argon) at 2–8 °C
pka: -3.44±0.10(Predicted)
Appearance: Light yellow to green yellow Solid

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Safety

HS Code: 2934999090

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H302Harmful if swallowed

Precautionary statements

P280Wear protective gloves/protective clothing/eye protection/face protection.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

TRC

Product number: N497965
Product name: 5-Nitro-1,3-benzoxazol-2-amine
Packaging: 50mg
Price: $65
Updated: 2021/12/16

AK Scientific

Product number: 9813AB
Product name: 5-Nitrobenzo[d]oxazol-2-amine
Packaging: 1g
Price: $301
Updated: 2021/12/16

AK Scientific

Product number: 9813AB
Product name: 5-Nitrobenzo[d]oxazol-2-amine
Packaging: 5g
Price: $686
Updated: 2021/12/16

American Custom Chemicals Corporation

Product number: CHM0102183
Product name: 5-NITRO-1,3-BENZOXAZOL-2-AMINE
Purity: 95.00%
Packaging: 1G
Price: $852.55
Updated: 2021/12/16

American Custom Chemicals Corporation

Product number: CHM0102183
Product name: 5-NITRO-1,3-BENZOXAZOL-2-AMINE
Purity: 95.00%
Packaging: 2.5G
Price: $1227.82
Updated: 2021/12/16

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5-Nitrobenzoxazole-2-amine Chemical Properties,Usage,Production

Synthesis

127099-85-8

99-57-0

64037-16-7

General method: 2-Amino-4-nitrophenol (1 eq.) and cyanoguanidine (3 eq.) were dissolved in 1,4-dioxane (30 mL/g 2-amino-4-nitrophenol), followed by the addition of boron trifluoride diethyl ether compound (3.0 eq.). The reaction system was heated under argon protection at 80 °C and the reaction progress was monitored by TLC (5-16 h). Upon completion of the reaction, the reaction mixture was cooled and quenched with saturated aqueous sodium bicarbonate (100 mL/g 2-amino-4-nitrophenol) and subsequently extracted with ethyl acetate (3 x 100 mL). The organic phases were combined, dried over anhydrous magnesium sulfate and concentrated under reduced pressure. Depending on the purity of the crude product, the residue can be purified by washing with ethyl acetate, acetone or other suitable organic solvents or by rapid chromatography on silica gel (eluent: cyclohexane/ethyl acetate, gradient from 100/0 to 0/100, v/v) to afford the target product 5-nitrobenzo[d]oxazol-2-amine. The physical properties of the obtained compounds were in agreement with the data reported in the literature.

References

[1] Tetrahedron Letters, 2018, vol. 59, # 17, p. 1642 - 1645

5-Nitrobenzoxazole-2-amine Preparation Products And Raw materials

Raw materials

Preparation Products

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5-Nitrobenzoxazole-2-amine Suppliers

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64037-16-7, 5-Nitrobenzoxazole-2-amineRelated Search:

N-(5-NITRO-1,3-BENZOXAZOL-2-YL)GUANIDINE BENZOOXAZOL-2-YLAMINE 5-NITRO-1,3-BENZOXAZOLE 5-Nitrobenzoxazole-2-amine

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64037-16-7