7-ethyl-3-phenyl-5,6,7,8-tetrahydropyrido[4',3':4,5]thieno[2,3-d]pyrimidin-4-(3H)-one

Base Information

• Chemical Name: 7-ethyl-3-phenyl-5,6,7,8-tetrahydropyrido[4',3':4,5]thieno[2,3-d]pyrimidin-4-(3H)-one
• CAS No.: 1383841-27-7
• Molecular Formula: C₁₇H₁₇N₃OS
• Molecular Weight: 311.407

Synonyms:7-ethyl-3-phenyl-5,6,7,8-tetrahydropyrido[4',3':4,5]thieno[2,3-d]pyrimidin-4-(3H)-one

Chemical Property of 7-ethyl-3-phenyl-5,6,7,8-tetrahydropyrido[4',3':4,5]thieno[2,3-d]pyrimidin-4-(3H)-one

Chemical Property:

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Technology Process of 7-ethyl-3-phenyl-5,6,7,8-tetrahydropyrido[4',3':4,5]thieno[2,3-d]pyrimidin-4-(3H)-one

There total 1 articles about 7-ethyl-3-phenyl-5,6,7,8-tetrahydropyrido[4',3':4,5]thieno[2,3-d]pyrimidin-4-(3H)-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: 52.0%

orthoformic acid triethyl ester (122-51-0) + aniline (62-53-3) + ethyl 2‐amino‐6‐ethyl‐4,5,6,7‐tetrahydrothieno[2,3‐c]pyridine‐3‐carboxylate (281656-91-5) → 7-ethyl-3-phenyl-5,6,7,8-tetrahydropyrido[4',3':4,5]thieno[2,3-d]pyrimidin-4-(3H)-one (1383841-27-7)

Guidance literature:

orthoformic acid triethyl ester; ethyl 2‐amino‐6‐ethyl‐4,5,6,7‐tetrahydrothieno[2,3‐c]pyridine‐3‐carboxylate; In toluene; Reflux;

aniline; In toluene; Reflux;

DOI:10.1007/s11172-012-0052-3

Reference yield: 48.0%

7-ethyl-3-phenyl-5,6,7,8-tetrahydropyrido[4',3':4,5]thieno[2,3-d]pyrimidin-4-(3H)-one (1383841-27-7) + propynoic acid methyl ester (922-67-8) → C21H21N3O3S + methyl 1-ethyl-6'-methylidene-4'-oxo-3'-phenyl-3',4',5,6-tetrahydro-1H-spiro[pyridine-4,5'-thieno[2,3-d]pyrimidine]-3-carboxylate

Guidance literature:

In acetonitrile; for 45h; Reflux;

DOI:10.1007/s10593-017-2057-1

Reference yield: 40.0%

7-ethyl-3-phenyl-5,6,7,8-tetrahydropyrido[4',3':4,5]thieno[2,3-d]pyrimidin-4-(3H)-one (1383841-27-7) + methyl ethynyl ketone (1423-60-5) → C21H21N3O2S + 3-Acetyl-1-ethyl-6'-methylidene-3'-phenyl-5,6-dihydro-1H-spiro[pyridine-4,5'-thieno[2,3-d]pyrimidin]-4'(3'H)-one

Guidance literature:

In acetonitrile; for 16h; Reflux;

DOI:10.1007/s10593-017-2057-1

upstream raw materials:

orthoformic acid triethyl ester

aniline

ethyl 2‐amino‐6‐ethyl‐4,5,6,7‐tetrahydrothieno[2,3‐c]pyridine‐3‐carboxylate

Downstream raw materials:

dimethyl 1-ethyl-6'-methylidene-4'-oxo-3'-phenyl-3',4',5,6-tetrahydro-1H-spiro[pyridine-4,5'-thieno[2,3-d]pyrimidine]-2,3-dicarboxylate

dimethyl 7-ethyl-4-oxo-3-phenyl-3,4,5,6,7,10-hexahydropyrimido[5',4':4,5]thieno[3,2-d]azocine-8,9-dicarboxylate

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