133238-87-6

  • Product Name:5-nitro-2-butyl benzofuran
  • Molecular Formula:C12H13NO3
  • Purity:99%
  • Molecular Weight:219.24
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Product Details;

CasNo: 133238-87-6

Molecular Formula: C12H13NO3

Appearance: Pale yellow to yellow liquid

Buy High Grade 5-nitro-2-butyl benzofuran 133238-87-6 Offer with Lowest Price

  • Molecular Formula:C12H13NO3
  • Molecular Weight:219.24
  • Appearance/Colour:Pale yellow to yellow liquid 
  • Vapor Pressure:0mmHg at 25°C 
  • Refractive Index:1.586 
  • Boiling Point:329.721 °C at 760 mmHg 
  • Flash Point:153.21 °C 
  • PSA:58.96000 
  • Density:1.191 g/cm3 
  • LogP:4.20680 

2-Butyl-5-nitrobenzofuran(Cas 133238-87-6) Usage

Chemical Properties

Bright Yellow Low Melting Solid

Uses

Dronedarone intermediate.

InChI:InChI=1/C12H13NO3/c1-2-3-4-11-8-9-7-10(13(14)15)5-6-12(9)16-11/h5-8H,2-4H2,1H3

133238-87-6 Relevant articles

Discovery of dronedarone and its analogues as NLRP3 inflammasome inhibitors with potent anti-inflammation activity

Chen, Hao,Chen, Xiuhui,Sun, Ping,Wu, Dan,Yue, Hu,Pan, Jintao,Li, Xinxuan,Zhang, Cheng,Wu, Xinyi,Hua, Lei,Hu, Wenhui,Yang, Zhongjin

supporting information, (2021/06/18)

Inhibiting NLRP3 inflammasome activation...

Benzofuran compound and application thereof

-

Paragraph 0053-0055; 0059-0061, (2021/08/06)

The invention provides a benzofuran comp...

Preparation method of key intermediate of dronedarone

-

Paragraph 0021; 0022, (2019/10/02)

The invention relates to a preparation m...

Microwave-assisted synthesis of (2-butyl-5-nitrobenzo[b]furan-3-yl)-[4-(substituted ethynyl)phenyl]methanones

Parmar, Nilesh D.,Hadiyal, Sanjay D.,Kapupara, Vimal H.,Joshi, Hitendra S.

, p. 143 - 153 (2018/10/26)

We report a new method for the efficient...

133238-87-6 Process route

2-(2-formyl-4-nitrophenoxy)hexanoic acid
335153-21-4

2-(2-formyl-4-nitrophenoxy)hexanoic acid

2-(n-butyl)-5-nitrobenzofuran
133238-87-6

2-(n-butyl)-5-nitrobenzofuran

Conditions
Conditions Yield
With sodium acetate; acetic anhydride; acetic acid; for 3h; Heating;
methyl 2-bromohexanoate
5445-19-2

methyl 2-bromohexanoate

2-(n-butyl)-5-nitrobenzofuran
133238-87-6

2-(n-butyl)-5-nitrobenzofuran

Conditions
Conditions Yield
Multi-step reaction with 3 steps
1: 87 percent / K2CO3 / dimethylformamide / 3.5 h / 92 - 94 °C
2: 80 percent / NaOH / Heating
3: acetic anhydride; sodium acetate; acetic acid / 3 h / Heating
With sodium hydroxide; sodium acetate; acetic anhydride; potassium carbonate; acetic acid; In N,N-dimethyl-formamide;

133238-87-6 Upstream products

  • 335153-21-4
    335153-21-4

    2-(2-formyl-4-nitrophenoxy)hexanoic acid

  • 5445-19-2
    5445-19-2

    methyl 2-bromohexanoate

  • 97-51-8
    97-51-8

    5-Nitrosalicylaldehyde

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    847869-79-8

    methyl 2-(2-formyl-4-nitrophenoxy)butanoate

133238-87-6 Downstream products

  • 141627-42-1
    141627-42-1

    (2-butyl-5-nitrobenzofuran-3-yl)(4-methoxyphenyl)methanone

  • 141645-45-6
    141645-45-6

    3-[4-(3-chloro propionamido)benzoyl] 2-n-butyl 5-nitro benzofuran

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    141645-16-1

    2-n-butyl-3-(4-hydroxybenzoyl)-5-nitrobenzofuran

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    856758-04-8

    2-n-butyl-5-nitro-3-(2'-methoxy)-acetophenonebenzofuran

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