6,7-difluorochroman-4-one

Product Name: 6,7-difluorochroman-4-one
CAS No.: 1092349-93-3
Chemical Name: 6,7-difluorochroman-4-one
Synonyms: EOS-61820;6,7-difluorochroman-4-one;6,7-Difluro-2,3-dihydro-4H-1-benzopyranone;6,7-Difluoro-2,3-dihydro-4H-1-benzopyran-4-one;4H-1-Benzopyran-4-one, 6,7-difluoro-2,3-dihydro-
CBNumber: CB01570713
Molecular Formula: C9H6F2O2
Formula Weight: 184.14
MOL File: 1092349-93-3.mol

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6,7-difluorochroman-4-one Property

storage temp.: Sealed in dry,Room Temperature
Appearance: Light brown to brown Solid

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Safety

HS Code: 2932990090

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Hazard and Precautionary Statements (GHS)

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N-Bromosuccinimide Price

TRC

Product number: D447883
Product name: 6,7-Difluorochroman-4-one
Packaging: 100mg
Price: $65
Updated: 2021/12/16

AK Scientific

Product number: 5544DM
Product name: 6,7-Difluorochroman-4-one
Packaging: 250mg
Price: $158
Updated: 2021/12/16

Apolloscientific

Product number: PC907037
Product name: 6,7-Difluorochroman-4-one
Purity: 95%
Packaging: 1g
Price: $345
Updated: 2021/12/16

SynQuest Laboratories

Product number: 2H17-3-0K
Product name: 6,7-Difluorochroman-4-one
Purity: 95%
Packaging: 1g
Price: $552
Updated: 2021/12/16

Ambeed

Product number: A108749
Product name: 6,7-Difluorochroman-4-one
Purity: 95+%
Packaging: 250mg
Price: $72
Updated: 2021/12/16

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6,7-difluorochroman-4-one Chemical Properties,Usage,Production

Synthesis

926256-60-2

1092349-93-3

Step 2: 3-(3,4-difluorophenoxy)propionic acid (0.50 g, 2.5 mmol) was mixed with trifluoromethanesulfonic acid (5.0 mL, 56 mmol) and the reaction was stirred at room temperature for 18 hours. Upon completion of the reaction, the mixture was slowly poured into ice water (30 mL) to quench the reaction. The precipitated solid was collected by filtration to afford the target product 6,7-difluorobenzodihydropyran-4-one (370 mg, 81% yield) as a white solid. Mass spectrometric analysis showed m/z 185 [M + H]+ (electrospray ionization) with a retention time of 1.76 min (Analytical Method 1).

References

[1] Tetrahedron Letters, 2010, vol. 51, # 48, p. 6236 - 6239
[2] Patent: WO2016/142867, 2016, A1. Location in patent: Page/Page column 59; 60
[3] Tetrahedron Letters, 2010, vol. 51, # 48, p. 6236 - 6239

6,7-difluorochroman-4-one Preparation Products And Raw materials

Raw materials

Preparation Products

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6,7-difluorochroman-4-one Suppliers

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1092349-93-3, 6,7-difluorochroman-4-oneRelated Search:

6,7-difluorochroman-4-one

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1092349-93-3