5-furan-2-yl-4-imino-3-(2-methoxy-phenyl)-7-p-tolyl-3,4-dihydro-1H-pyrido[2,3-d]pyrimidine-2-thione

Base Information

• Chemical Name: 5-furan-2-yl-4-imino-3-(2-methoxy-phenyl)-7-p-tolyl-3,4-dihydro-1H-pyrido[2,3-d]pyrimidine-2-thione
• CAS No.: 329190-06-9
• Molecular Formula: C₂₅H₂₀N₄O₂S
• Molecular Weight: 440.525

Synonyms:5-furan-2-yl-4-imino-3-(2-methoxy-phenyl)-7-p-tolyl-3,4-dihydro-1H-pyrido[2,3-d]pyrimidine-2-thione

Chemical Property of 5-furan-2-yl-4-imino-3-(2-methoxy-phenyl)-7-p-tolyl-3,4-dihydro-1H-pyrido[2,3-d]pyrimidine-2-thione

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Technology Process of 5-furan-2-yl-4-imino-3-(2-methoxy-phenyl)-7-p-tolyl-3,4-dihydro-1H-pyrido[2,3-d]pyrimidine-2-thione

There total 2 articles about 5-furan-2-yl-4-imino-3-(2-methoxy-phenyl)-7-p-tolyl-3,4-dihydro-1H-pyrido[2,3-d]pyrimidine-2-thione 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: 72.0%

1-isothiocyanato-2-methoxybenzene (3288-04-8) + 2-amino-4-(furan-2-yl)-6-p-tolylnicotinonitrile (328087-58-7) → 5-furan-2-yl-4-imino-3-(2-methoxy-phenyl)-7-p-tolyl-3,4-dihydro-1H-pyrido[2,3-d]pyrimidine-2-thione (329190-06-9)

Guidance literature:

With pyridine; In 1,4-dioxane; at 150 ℃; for 22h;

DOI:10.1080/10426500008076330

Reference yield:

3-furan-2-yl-1-p-tolyl-propenone (14385-63-8) → 5-furan-2-yl-4-imino-3-(2-methoxy-phenyl)-7-p-tolyl-3,4-dihydro-1H-pyrido[2,3-d]pyrimidine-2-thione (329190-06-9)

Guidance literature:

Multi-step reaction with 2 steps

1: ammonium acetate / ethanol / 22 h / Heating

2: 72 percent / pyridine / dioxane / 22 h / 150 °C

With pyridine; ammonium acetate; In 1,4-dioxane; ethanol; 1: Michael reaction;

DOI:10.1080/10426500008076330

Reference yield:

5-furan-2-yl-4-imino-3-(2-methoxy-phenyl)-7-p-tolyl-3,4-dihydro-1H-pyrido[2,3-d]pyrimidine-2-thione (329190-06-9) → C51H40N4O9S

Guidance literature:

Multi-step reaction with 2 steps

1: (NH₄)2SO₄ / toluene / 8 h / Heating

2: 10 h / 155 - 160 °C

With ammonium sulfate; In toluene;

DOI:10.1080/10426500008076330

upstream raw materials:

1-isothiocyanato-2-methoxybenzene

2-amino-4-(furan-2-yl)-6-p-tolylnicotinonitrile

3-furan-2-yl-1-p-tolyl-propenone

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