7-BROMOCHROMAN-4-OL

Product Name: 7-BROMOCHROMAN-4-OL
CAS No.: 18385-82-5
Chemical Name: 7-BROMOCHROMAN-4-OL
Synonyms: 7-BROMOCHROMAN-4-OL;2H-1-Benzopyran-4-ol, 7-bromo-3,4-dihydro-;(E)-1-(5-chloro-2-hydroxyphenyl)-3-phenylprop-2-en-4-one
CBNumber: CB42742249
Molecular Formula: C9H9BrO2
Formula Weight: 229.07
MOL File: 18385-82-5.mol

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7-BROMOCHROMAN-4-OL Property

storage temp.: Inert atmosphere,Room Temperature
Appearance: White to off-white Solid

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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

AK Scientific

Product number: 6757DT
Product name: 7-Bromochroman-4-ol
Packaging: 250mg
Price: $118
Updated: 2021/12/16

AK Scientific

Product number: 6757DT
Product name: 7-Bromochroman-4-ol
Packaging: 1g
Price: $207
Updated: 2021/12/16

Chemenu

Product number: CM250642
Product name: 7-Bromochroman-4-ol
Purity: 95%
Packaging: 5g
Price: $320
Updated: 2021/12/16

Crysdot

Product number: CD11179063
Product name: 7-Bromochroman-4-ol
Purity: 95+%
Packaging: 5g
Price: $339
Updated: 2021/12/16

Alichem

Product number: 18385825
Product name: 7-Bromochroman-4-ol
Packaging: 5g
Price: $359.1
Updated: 2021/12/16

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7-BROMOCHROMAN-4-OL Chemical Properties,Usage,Production

Synthesis

18442-22-3

18385-82-5

General procedure for the synthesis of 7-bromobenzodihydropyran-4-ol from 7-bromo-4-dihydrochromanone: sodium borohydride (545 mg, 14.4 mmol, 2.0 eq.) was added to a solution of 7-bromochroman-4-one (1.63 g, 7.2 mmol, 1.0 eq.) in methanol (10 mL), and the reaction mixture was stirred for 30 min at room temperature. Upon completion of the reaction, the solvent was removed by evaporation and the residue was purified by silica gel column chromatography (eluent: ethyl acetate/hexane = 1:2) to afford 7-bromobenzodihydropyran-4-ol (1.61 g, Yield: 98%) as a white solid.ESIMS (M+H-18): 211.0.1H NMR (400 MHz, CDCl3) δ: 7.17 (d, J = 8.0 Hz, 1H), 7.05-7.01 (m, 2H), 4.76-4.73 (m, 1H), 4.27-4.24 (m, 2H), 2.14-1.99 (m, 2H).

References

[1] Patent: WO2015/89337, 2015, A1. Location in patent: Paragraph 0331
[2] Patent: US2013/18055, 2013, A1. Location in patent: Paragraph 0317-0318
[3] Patent: WO2017/58821, 2017, A1. Location in patent: Page/Page column 135; 136

7-BROMOCHROMAN-4-OL Preparation Products And Raw materials

Raw materials

Preparation Products

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7-BROMOCHROMAN-4-OL Suppliers

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18385-82-5, 7-BROMOCHROMAN-4-OLRelated Search:

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7-BROMOCHROMAN-4-OL

2H-1-Benzopyran-4-ol, 7-bromo-3,4-dihydro-

(E)-1-(5-chloro-2-hydroxyphenyl)-3-phenylprop-2-en-4-one

18385-82-5