(E)-3-BENZYLIDENECHROMAN-4-ONE

Base Information

• Chemical Name: (E)-3-BENZYLIDENECHROMAN-4-ONE
• CAS No.: 30779-90-9
• Molecular Formula: C16H12 O2
• Molecular Weight: 236.27
• Hs Code.: 2932999099
• Mol file: 30779-90-9.mol

Synonyms:4-Chromanone,3-benzylidene- (6CI,7CI); 3-Benzylidene-4-chromanone; 3-Benzylidenechromanone

Chemical Property of (E)-3-BENZYLIDENECHROMAN-4-ONE

Chemical Property:

• PSA: 26.30000
• LogP: 3.34530

Purity/Quality:

99% ^*data from raw suppliers

(E)-3-BENZYLIDENECHROMAN-4-ONE 95.00% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of (E)-3-BENZYLIDENECHROMAN-4-ONE

There total 34 articles about (E)-3-BENZYLIDENECHROMAN-4-ONE 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: 96.0%

2,3-dihydro-4H-1-benzopyran-4-one (491-37-2) + benzaldehyde (100-52-7) → (E)-3-benzylidenechroman-4-one (30779-90-9)

Guidance literature:

With hydrogenchloride; In acetic acid; at 0 ℃; for 24h;

DOI:10.3987/COM-05-10485

Reference yield: 92.0%

(3R*,αS*)-3-bromo-3-(α-bromobenzyl)chromanone → (E)-3-benzylidenechroman-4-one (30779-90-9) + 3-(α-azidobenzyl)chromone (169117-75-3)

Guidance literature:

With sodium azide; In N,N-dimethyl-formamide; at 20 ℃; for 2h;

DOI:10.1016/S0040-4020(01)00142-9

Reference yield: 91.0%

(E)-2-(phenoxymethyl)-3-phenylacrylic acid (213999-95-2) → (E)-3-benzylidenechroman-4-one (30779-90-9)

Guidance literature:

With trifluoroacetic anhydride; In dichloromethane; for 1h; Heating;

DOI:10.1039/a804796k

upstream raw materials:

2,3-dihydro-4H-1-benzopyran-4-one

benzaldehyde

(Z)-3-benzylidene-4-chromanone

(E)-2-(phenoxymethyl)-3-phenylacrylic acid

Downstream raw materials:

C₁₇H₁₄N₂O₂

3-Phenyl-3a,4-dihydro-3H-chromeno[4,3-c]pyrazole-2-carboxylic acid amide

3,3a-trans-2(H)-acetyl-3-phenyl-3,3a-dihydropyrazolo<4,3-c><2H>chromene

3,3a-cis-2(H)-acetyl-3-phenyl-3,3a-dihydropyrazolo<4,3-c><2H>chromene

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