4-dicyanomethylene 2-<3-(1-ethyl-1H-quinolin-2-ylidene)-1-propenyl>-6-methyl-4H-pyran

Base Information

• Chemical Name: 4-dicyanomethylene 2-<3-(1-ethyl-1H-quinolin-2-ylidene)-1-propenyl>-6-methyl-4H-pyran
• CAS No.: 70503-10-5
• Molecular Formula: C₂₃H₁₉N₃O
• Molecular Weight: 353.423

Synonyms:4-dicyanomethylene 2-<3-(1-ethyl-1H-quinolin-2-ylidene)-1-propenyl>-6-methyl-4H-pyran

Chemical Property of 4-dicyanomethylene 2-<3-(1-ethyl-1H-quinolin-2-ylidene)-1-propenyl>-6-methyl-4H-pyran

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Technology Process of 4-dicyanomethylene 2-<3-(1-ethyl-1H-quinolin-2-ylidene)-1-propenyl>-6-methyl-4H-pyran

There total 1 articles about 4-dicyanomethylene 2-<3-(1-ethyl-1H-quinolin-2-ylidene)-1-propenyl>-6-methyl-4H-pyran 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: 78.0%

4-dicyanomethylene-2,6-dimethyl-4H-pyran (28286-88-6) + 1-ethyl-2<2-(N-methylanilino)vinyl>quinolinium iodide (76529-17-4,121924-23-0) → 4-dicyanomethylene 2-<3-(1-ethyl-1H-quinolin-2-ylidene)-1-propenyl>-6-methyl-4H-pyran (70503-10-5)

Guidance literature:

With triethylamine; In pyridine; for 3h; Heating;

Reference yield: 68.0%

4-dicyanomethylene 2-<3-(1-ethyl-1H-quinolin-2-ylidene)-1-propenyl>-6-methyl-4H-pyran (70503-10-5) + 4-methoxy-benzaldehyde (123-11-5) → 4-dicyanomethylene-2-<3-(1-ethyl-1H-quinolin-2-ylidene)-1-propenyl>-6-(4-methoxystyryl)-4H-pyran (70503-27-4)

Guidance literature:

With triethylamine; In pyridine; for 5h; Heating;

Reference yield: 58.0%

4-dicyanomethylene 2-<3-(1-ethyl-1H-quinolin-2-ylidene)-1-propenyl>-6-methyl-4H-pyran (70503-10-5) + 4-dimethylamino-benzaldehyde (100-10-7) → 2-(2-[(E)-2-(4-Dimethylamino-phenyl)-vinyl]-6-{(E)-3-[1-ethyl-1H-quinolin-(2E)-ylidene]-propenyl}-pyran-4-ylidene)-malononitrile (65833-49-0)

Guidance literature:

With triethylamine; In pyridine; for 5h; Heating;

upstream raw materials:

4-dicyanomethylene-2,6-dimethyl-4H-pyran

1-ethyl-2<2-(N-methylanilino)vinyl>quinolinium iodide

Downstream raw materials:

4-dicyanomethylene-2-<3-(1-ethyl-1H-quinolin-2-ylidene)-1-propenyl>-6-(4-methoxystyryl)-4H-pyran

2-(2-[(E)-2-(4-Dimethylamino-phenyl)-vinyl]-6-{(E)-3-[1-ethyl-1H-quinolin-(2E)-ylidene]-propenyl}-pyran-4-ylidene)-malononitrile

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