ChemicalBook > CAS DataBase List > 5-Nitro-2,3-dihydro-1-benzofuran

5-Nitro-2,3-dihydro-1-benzofuran

Product Name: 5-Nitro-2,3-dihydro-1-benzofuran
CAS No.: 17403-47-3
Chemical Name: 5-Nitro-2,3-dihydro-1-benzofuran
Synonyms: Anaprazole Impurity 1;2,3-Dihydro-5-nitrobenzofuran;5-Nitro-2,3-dihydrobenzofuran;Benzofuran, 2,3-dihydro-5-nitro-;5-Nitro-2,3-dihydro-1-benzofuran
CBNumber: CB82692940
Molecular Formula: C8H7NO3
Formula Weight: 165.15
MOL File: 17403-47-3.mol

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5-Nitro-2,3-dihydro-1-benzofuran Property

Boiling point:: 292.3±29.0 °C(Predicted)
Density: 1.360±0.06 g/cm3(Predicted)
storage temp.: 2-8°C
Appearance: Light yellow to yellow Solid

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Safety

HS Code: 2932990090

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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

ChemScene

Product number: CS-B1173
Product name: 2,3-Dihydro-5-nitrobenzofuran
Packaging: 1g
Price: $64
Updated: 2021/12/16

AK Scientific

Product number: 5618AD
Product name: 5-Nitro-2,3-dihydro-1-benzofuran
Packaging: 10g
Price: $162
Updated: 2021/12/16

SynQuest Laboratories

Product number: 4H54-1-J3
Product name: 5-Nitro-2,3-dihydro-1-benzofuran
Packaging: 1g
Price: $212
Updated: 2021/12/16

Matrix Scientific

Product number: 088857
Product name: 5-Nitro-2,3-dihydro-1-benzofuran
Packaging: 1g
Price: $286
Updated: 2021/12/16

SynQuest Laboratories

Product number: 4H54-1-J3
Product name: 5-Nitro-2,3-dihydro-1-benzofuran
Packaging: 5G
Price: $792
Updated: 2021/12/16

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5-Nitro-2,3-dihydro-1-benzofuran Chemical Properties,Usage,Production

Synthesis

496-16-2

17403-47-3

Step 1: Preparation of 5-nitro-2,3-dihydrobenzofuran 2,3-Dihydrobenzofuran (36 g, 0.3 mol) was dissolved in glacial acetic acid (100 mL) and heated to 65°C. The reaction temperature was maintained at a constant temperature. Under constant temperature, concentrated nitric acid (25 mL, 0.36 mol) was slowly added dropwise, and the reaction temperature was controlled to be maintained between 65-75°C. The reaction was carried out at a constant temperature. After the dropwise addition was completed, the reaction mixture was continued to be stirred for 0.5 hours. After completion of the reaction, the mixture was cooled to room temperature, the solid product was separated by filtration, washed with water to remove the residual acid, and dried to give 5-nitro-2,3-dihydrobenzofuran (22 g, 44.4% yield).

References

[1] Journal of Medicinal Chemistry, 2014, vol. 57, # 13, p. 5579 - 5601
[2] Bioorganic and Medicinal Chemistry, 2013, vol. 21, # 13, p. 3821 - 3830
[3] Patent: EP2532665, 2012, A1. Location in patent: Page/Page column 41
[4] Patent: WO2003/82787, 2003, A1. Location in patent: Page/Page column 138-139
[5] Journal of Medicinal Chemistry, 2010, vol. 53, # 18, p. 6681 - 6698

5-Nitro-2,3-dihydro-1-benzofuran Preparation Products And Raw materials

Raw materials

Preparation Products

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View Lastest Price from 5-Nitro-2,3-dihydro-1-benzofuran manufacturers

Henan Aochuang Chemical Co.,Ltd.

Product: 5-Nitro-2,3-dihydro-1-benzofuran 17403-47-3
Price: US $0.00-0.00/KG
Min. Order: 1KG
Purity: 98%
Supply Ability: 1ton
Release date: 2022-10-14

Career Henan Chemical Co

Product: 5-Nitro-2,3-dihydro-1-benzofuran 17403-47-3
Price: US $9.80/KG
Min. Order: 1g
Purity: ≥99%
Supply Ability: 100kg
Release date: 2020-01-08

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