3-amino-7-methyl-2-phenylamino-5,6,7,8-tetrahydro-3H-pyrido[4',3':4,5]thieno[2,3-d]pyrimidin-4-one

Base Information

• Chemical Name: 3-amino-7-methyl-2-phenylamino-5,6,7,8-tetrahydro-3H-pyrido[4',3':4,5]thieno[2,3-d]pyrimidin-4-one
• CAS No.: 189067-67-2
• Molecular Formula: C₁₆H₁₇N₅OS
• Molecular Weight: 327.41

Synonyms:3-amino-7-methyl-2-phenylamino-5,6,7,8-tetrahydro-3H-pyrido[4',3':4,5]thieno[2,3-d]pyrimidin-4-one

Chemical Property of 3-amino-7-methyl-2-phenylamino-5,6,7,8-tetrahydro-3H-pyrido[4',3':4,5]thieno[2,3-d]pyrimidin-4-one

Chemical Property:

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Technology Process of 3-amino-7-methyl-2-phenylamino-5,6,7,8-tetrahydro-3H-pyrido[4',3':4,5]thieno[2,3-d]pyrimidin-4-one

There total 2 articles about 3-amino-7-methyl-2-phenylamino-5,6,7,8-tetrahydro-3H-pyrido[4',3':4,5]thieno[2,3-d]pyrimidin-4-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: 62.0%

ethyl 6-methyl-2-(3-phenylthioureido)-4,5,6,7-tetrahydrothieno[2,3-c]pyridine-3-carboxylate (189067-63-8) → 3-amino-7-methyl-2-phenylamino-5,6,7,8-tetrahydro-3H-pyrido[4',3':4,5]thieno[2,3-d]pyrimidin-4-one (189067-67-2)

Guidance literature:

With hydrazine hydrate; for 12h; Reflux;

DOI:10.3390/molecules15042651

Reference yield:

7-methyl-2-phenylamino-5,6,7,8-tetrahydropyrido[4',3':4,5]thieno[2,3-d][1,3]thiazin-4-one (1248518-95-7) → 3-amino-7-methyl-2-phenylamino-5,6,7,8-tetrahydro-3H-pyrido[4',3':4,5]thieno[2,3-d]pyrimidin-4-one (189067-67-2)

Guidance literature:

With hydrazine hydrate;

DOI:10.3390/molecules15042651

Reference yield: 88.0%

3-amino-7-methyl-2-phenylamino-5,6,7,8-tetrahydro-3H-pyrido[4',3':4,5]thieno[2,3-d]pyrimidin-4-one (189067-67-2) + phenyl isothiocyanate (103-72-0) → 7-methyl-2-phenylamino-3-(3-phenylthioureido)-5,6,7,8-tetrahydro-3H-pyrido[4',3':4,5]thieno[2,3-d]pyrimidin-4-one (1248518-99-1)

Guidance literature:

In ethanol; for 4h; Reflux;

DOI:10.3390/molecules15042651

upstream raw materials:

ethyl 6-methyl-2-(3-phenylthioureido)-4,5,6,7-tetrahydrothieno[2,3-c]pyridine-3-carboxylate

7-methyl-2-phenylamino-5,6,7,8-tetrahydropyrido[4',3':4,5]thieno[2,3-d][1,3]thiazin-4-one

Downstream raw materials:

7-methyl-3-phenyl-2-thioxo-1,2,6,7,8,9-hexahydro-3H-pyrido[4',3':4,5]thieno[2,3-d][1,2,4]triazolo[1,5-a]pyrimidin-10-one

C₂₂H₂₅N₅O₃S

7-methyl-2-phenylamino-3-(3-phenylthioureido)-5,6,7,8-tetrahydro-3H-pyrido[4',3':4,5]thieno[2,3-d]pyrimidin-4-one

C₁₈H₁₉N₅O₂S

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