ethyl 7-methyl-1-phenyl-4-oxo-2-thioxo-1,2,3,4-tetrahydropyrido<2,3-d>pyrimidine-6-carboxylate

Base Information

• Chemical Name: ethyl 7-methyl-1-phenyl-4-oxo-2-thioxo-1,2,3,4-tetrahydropyrido<2,3-d>pyrimidine-6-carboxylate
• CAS No.: 82140-37-2
• Molecular Formula: C₁₇H₁₅N₃O₃S
• Molecular Weight: 341.39

Synonyms:ethyl 7-methyl-1-phenyl-4-oxo-2-thioxo-1,2,3,4-tetrahydropyrido<2,3-d>pyrimidine-6-carboxylate

Chemical Property of ethyl 7-methyl-1-phenyl-4-oxo-2-thioxo-1,2,3,4-tetrahydropyrido<2,3-d>pyrimidine-6-carboxylate

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Technology Process of ethyl 7-methyl-1-phenyl-4-oxo-2-thioxo-1,2,3,4-tetrahydropyrido<2,3-d>pyrimidine-6-carboxylate

There total 1 articles about ethyl 7-methyl-1-phenyl-4-oxo-2-thioxo-1,2,3,4-tetrahydropyrido<2,3-d>pyrimidine-6-carboxylate 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%

diethyl 2-chloro-6-methylpyridine-3,5-dicarboxylate (13602-99-8) + monophenylthiourea (103-85-5) → ethyl 7-methyl-1-phenyl-4-oxo-2-thioxo-1,2,3,4-tetrahydropyrido<2,3-d>pyrimidine-6-carboxylate (82140-37-2)

Guidance literature:

With hydrogenchloride; In ethanol; for 4h; Heating;

Reference yield: 85.0%

ethyl 7-methyl-1-phenyl-4-oxo-2-thioxo-1,2,3,4-tetrahydropyrido<2,3-d>pyrimidine-6-carboxylate (82140-37-2) → 7-methyl-4-oxo-1-phenyl-2-thioxo-1,2,3,4-tetrahydropyrido<2,3-d>pyrimidine-6-carboxylic acid

Guidance literature:

With hydrogenchloride; In acetic acid; for 6h; Heating;

Reference yield: 75.0%

ethyl 7-methyl-1-phenyl-4-oxo-2-thioxo-1,2,3,4-tetrahydropyrido<2,3-d>pyrimidine-6-carboxylate (82140-37-2) → 2-Allylsulfanyl-7-methyl-4-oxo-1-phenyl-1,4-dihydro-pyrido[2,3-d]pyrimidine-6-carboxylic acid ethyl ester (126209-80-1)

Guidance literature:

With sodium ethanolate; In ethanol; for 14h; Heating;

upstream raw materials:

diethyl 2-chloro-6-methylpyridine-3,5-dicarboxylate

monophenylthiourea

Downstream raw materials:

2-(2-Diethylamino-ethylsulfanyl)-7-methyl-4-oxo-1-phenyl-1,4-dihydro-pyrido[2,3-d]pyrimidine-6-carboxylic acid ethyl ester

7-Methyl-2-methylsulfanyl-4-oxo-1-phenyl-1,4-dihydro-pyrido[2,3-d]pyrimidine-6-carboxylic acid ethyl ester

2-Allylsulfanyl-7-methyl-4-oxo-1-phenyl-1,4-dihydro-pyrido[2,3-d]pyrimidine-6-carboxylic acid ethyl ester

2-(2-Diethylamino-ethylsulfanyl)-7-methyl-4-oxo-1-phenyl-1,4-dihydro-pyrido[2,3-d]pyrimidine-6-carboxylic acid ethyl ester; hydrochloride

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