1,3-Benzenedicarbonitrile, 4-formyl- (9CI)

Base Information

• Chemical Name: 1,3-Benzenedicarbonitrile, 4-formyl- (9CI)
• CAS No.: 331714-59-1
• Molecular Formula: C9H4N2O
• Molecular Weight: 156.14100
• Hs Code.: 2926909090
• Mol file: 331714-59-1.mol

Synonyms:2,4-Pyrimidinedicarbonitrile,5-methyl;5-METHYL-2,4-PYRIMIDINEDICARBONITRILE;2,4-dicyanobenzaldehyde;2,4-Pyrimidinedicarbonitrile,5-methyl-(9CI);2,4-Dicyano-5-methylpyrimidine;

Chemical Property of 1,3-Benzenedicarbonitrile, 4-formyl- (9CI)

Chemical Property:

• PSA: 64.65000
• LogP: 1.24246

Purity/Quality:

99.3% ^*data from raw suppliers

4-Formylbenzene-1,3-dicarbonitrile ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 1,3-Benzenedicarbonitrile, 4-formyl- (9CI)

There total 6 articles about 1,3-Benzenedicarbonitrile, 4-formyl- (9CI) 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: 55.0%

2-(2,4-dicyanophenyl)-1,3-dioxolane (331714-61-5) → 2,4-dicyanobenzaldehyde (331714-59-1)

Guidance literature:

With hydrogenchloride; In acetonitrile; at 20 ℃; for 0.25h;

DOI:10.1002/1099-0690(200101)2001:2<293::AID-EJOC293<3.0.CO;2-N

Reference yield:

3-bromo-4-methylaniline (7745-91-7) → 2,4-dicyanobenzaldehyde (331714-59-1)

Guidance literature:

Multi-step reaction with 5 steps

1.1: NaNO₂

1.2: CuBr

2.1: CrO₃; H₂SO₄ / acetic acid; acetic anhydride

2.2: H₂SO₄ / ethanol / 80 °C

3.1: 63 percent / p-toluenesulfonic acid / toluene / Heating

4.1: 44 percent / dimethylformamide / 150 °C

5.1: 55 percent / HCl / acetonitrile / 0.25 h / 20 °C

With chromium(VI) oxide; hydrogenchloride; sulfuric acid; toluene-4-sulfonic acid; sodium nitrite; In acetic anhydride; acetic acid; N,N-dimethyl-formamide; toluene; acetonitrile; 4.1: Rosenmund-von Braun reaction;

DOI:10.1002/1099-0690(200101)2001:2<293::AID-EJOC293<3.0.CO;2-N

Reference yield:

2,4-dibromobenzaldehyde (5629-98-1) → 2,4-dicyanobenzaldehyde (331714-59-1)

Guidance literature:

Multi-step reaction with 3 steps

1: 63 percent / p-toluenesulfonic acid / toluene / Heating

2: 44 percent / dimethylformamide / 150 °C

3: 55 percent / HCl / acetonitrile / 0.25 h / 20 °C

With hydrogenchloride; toluene-4-sulfonic acid; In N,N-dimethyl-formamide; toluene; acetonitrile; 2: Rosenmund-von Braun reaction;

DOI:10.1002/1099-0690(200101)2001:2<293::AID-EJOC293<3.0.CO;2-N

upstream raw materials:

2-(2,4-dicyanophenyl)-1,3-dioxolane

3-bromo-4-methylaniline

2,4-dibromobenzaldehyde

2-bromo-4-nitrotoluene

Refernces