Chroman-8-carbaldehyde, 95%

Base Information

• Chemical Name: Chroman-8-carbaldehyde, 95%
• CAS No.: 327183-32-4
• Molecular Formula: C10H10O2
• Molecular Weight: 162.18500
• Mol file: 327183-32-4.mol

Synonyms:8-chromanal;8-formyl-3,4-dihydro-2H-1-benzopyran;chroman-8-carboxaldehyde;chroman-8-carbaldehyde;chromane-8-carbaldehyde;

Chemical Property of Chroman-8-carbaldehyde, 95%

Chemical Property:

• PSA: 26.30000
• LogP: 1.82410
• Storage Temp.: under inert gas (nitrogen or Argon) at 2-8°C

Purity/Quality:

97% ^*data from raw suppliers

chroman-8-carbaldehyde ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of Chroman-8-carbaldehyde, 95%

There total 5 articles about Chroman-8-carbaldehyde, 95% which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 88.0%

N,N-dimethyl-formamide (68-12-2,33513-42-7) + 1,3-Dibromo-2-(3-bromo-propoxy)-benzene (206347-33-3) → 8-formyl-3,4-dihydro-2H-1-benzopyran (327183-32-4)

Guidance literature:

1,3-Dibromo-2-(3-bromo-propoxy)-benzene; With n-butyllithium; In tetrahydrofuran; hexane; toluene; at -78 - 5 ℃; for 4.5h;

N,N-dimethyl-formamide; In tetrahydrofuran; hexane; toluene; at 5 - 20 ℃; for 0.666667h;

With hydrogenchloride; water; In tetrahydrofuran; hexane; toluene; at 20 ℃;

Reference yield: 82.0%

(2,6-dibromophenyl) (2-chloropropyl) ether (1001671-65-3) + N,N-dimethyl-formamide (68-12-2,33513-42-7) → 8-formyl-3,4-dihydro-2H-1-benzopyran (327183-32-4)

Guidance literature:

(2,6-dibromophenyl) (2-chloropropyl) ether; With n-butyllithium; N,N,N,N,-tetramethylethylenediamine; In tetrahydrofuran; hexane; at -43 ℃; for 1.25h; Schlenk technique; Inert atmosphere;

N,N-dimethyl-formamide; In tetrahydrofuran; hexane; at 20 ℃; for 1h; Schlenk technique; Inert atmosphere; Cooling with ice;

DOI:10.1002/chem.201501959

Reference yield: 60.0%

chromane (493-08-3) → 8-formyl-3,4-dihydro-2H-1-benzopyran (327183-32-4) + 8-chromanylacetic acid

Guidance literature:

With n-butyllithium; In tetrahydrofuran; N-methyl-acetamide;

upstream raw materials:

(2,6-dibromophenyl) (2-chloropropyl) ether

N,N-dimethyl-formamide

2,6-dibromophenol

chromane

Downstream raw materials:

C₂₅H₂₂FN₃O₅S

C₂₆H₂₄FN₃O₅S

C₂₆H₂₃FN₂O₄

C₂₅H₂₁FN₂O₄

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