4-phenyl-2H-3-benzo[b]pyranylcarboxaldehyde

Base Information

Chemical Name:4-phenyl-2H-3-benzo[b]pyranylcarboxaldehyde
CAS No.:251092-74-7
Molecular Formula:C₁₆H₁₂O₂
Molecular Weight:236.27
Hs Code.:

Synonyms:4-phenyl-2H-3-benzo[b]pyranylcarboxaldehyde

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Chemical Property of 4-phenyl-2H-3-benzo[b]pyranylcarboxaldehyde

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Technology Process of 4-phenyl-2H-3-benzo[b]pyranylcarboxaldehyde

There total 4 articles about 4-phenyl-2H-3-benzo[b]pyranylcarboxaldehyde 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: 80.0%

: 14063-82-2
4-chloro-2H-chromene-3-carboxaldehyde

: 98-80-6
phenylboronic acid

: 251092-74-7
4-phenyl-2H-3-benzo[b]pyranylcarboxaldehyde

Guidance literature:: 4-chloro-2H-chromene-3-carboxaldehyde; With tetrakis(triphenylphosphine) palladium⁽⁰⁾; potassium carbonate; In N,N-dimethyl-formamide; for 1h; Inert atmosphere;

phenylboronic acid; In N,N-dimethyl-formamide; at 100 ℃; Inert atmosphere;
DOI:10.1134/S1070428021090207

Reference yield: 75.1%

: 51870-64-5
4-phenyl-2H-benzo[b]pyran

: 68-12-2,33513-42-7
N,N-dimethyl-formamide

: 251092-74-7
4-phenyl-2H-3-benzo[b]pyranylcarboxaldehyde

Guidance literature:: N,N-dimethyl-formamide; With trichlorophosphate; at 0 - 5 ℃; for 0.333333h;

4-phenyl-2H-benzo[b]pyran; In DMF (N,N-dimethyl-formamide); at 20 ℃; for 48h;

Reference yield:

: 491-37-2
2,3-dihydro-4H-1-benzopyran-4-one

: 251092-74-7
4-phenyl-2H-3-benzo[b]pyranylcarboxaldehyde

Guidance literature:: Multi-step reaction with 2 steps

1: trichlorophosphate / dichloromethane / 20 °C / Inert atmosphere; Reflux

2: caesium carbonate; bis-triphenylphosphine-palladium(II) chloride / N,N-dimethyl-formamide / 5 h / 45 - 65 °C / Inert atmosphere

With bis-triphenylphosphine-palladium(II) chloride; caesium carbonate; trichlorophosphate; In dichloromethane; N,N-dimethyl-formamide;