3-(3,4-dimethoxy-phenyl)-2-mercapto-5,6,7,8-tetrahydro-3H-benzo[4,5]thieno[2,3-d]pyrimidin-4-one

Base Information

• Chemical Name: 3-(3,4-dimethoxy-phenyl)-2-mercapto-5,6,7,8-tetrahydro-3H-benzo[4,5]thieno[2,3-d]pyrimidin-4-one
• CAS No.: 944568-67-6
• Molecular Formula: C₁₈H₁₈N₂O₃S₂
• Molecular Weight: 374.485

Synonyms:3-(3,4-dimethoxy-phenyl)-2-mercapto-5,6,7,8-tetrahydro-3H-benzo[4,5]thieno[2,3-d]pyrimidin-4-one

Chemical Property of 3-(3,4-dimethoxy-phenyl)-2-mercapto-5,6,7,8-tetrahydro-3H-benzo[4,5]thieno[2,3-d]pyrimidin-4-one

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Technology Process of 3-(3,4-dimethoxy-phenyl)-2-mercapto-5,6,7,8-tetrahydro-3H-benzo[4,5]thieno[2,3-d]pyrimidin-4-one

There total 3 articles about 3-(3,4-dimethoxy-phenyl)-2-mercapto-5,6,7,8-tetrahydro-3H-benzo[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:

2-[3-(3,4-dimethoxy-phenyl)-thioureido]-4,5,6,7-tetrahydro-benzo[b]thiophene-3-carboxylic acid ethyl ester (895390-48-4) → 3-(3,4-dimethoxy-phenyl)-2-mercapto-5,6,7,8-tetrahydro-3H-benzo[4,5]thieno[2,3-d]pyrimidin-4-one (944568-67-6)

Guidance literature:

With hydrogenchloride; In ethanol; Heating;

DOI:10.1016/j.bmcl.2006.11.056

Reference yield:

ethyl 2-amino-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylate (4506-71-2) → 3-(3,4-dimethoxy-phenyl)-2-mercapto-5,6,7,8-tetrahydro-3H-benzo[4,5]thieno[2,3-d]pyrimidin-4-one (944568-67-6)

Guidance literature:

Multi-step reaction with 2 steps

1: ethanol / Heating

2: HCl / ethanol / Heating

With hydrogenchloride; In ethanol;

DOI:10.1016/j.bmcl.2006.11.056

Reference yield:

4-isothiocyanato-1,2-dimethoxybenzene (33904-04-0) → 3-(3,4-dimethoxy-phenyl)-2-mercapto-5,6,7,8-tetrahydro-3H-benzo[4,5]thieno[2,3-d]pyrimidin-4-one (944568-67-6)

Guidance literature:

Multi-step reaction with 2 steps

1: ethanol / Heating

2: HCl / ethanol / Heating

With hydrogenchloride; In ethanol;

DOI:10.1016/j.bmcl.2006.11.056

upstream raw materials:

2-[3-(3,4-dimethoxy-phenyl)-thioureido]-4,5,6,7-tetrahydro-benzo[b]thiophene-3-carboxylic acid ethyl ester

ethyl 2-amino-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylate

4-isothiocyanato-1,2-dimethoxybenzene

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