5,6-DIMETHYL-THIENO[2,3-D]PYRIMIDIN-4-YLAMINE

Base Information

• Chemical Name: 5,6-DIMETHYL-THIENO[2,3-D]PYRIMIDIN-4-YLAMINE
• CAS No.: 4994-89-2
• Molecular Formula: C8H9N3S
• Molecular Weight: 179.2422
• Hs Code.: 2934999090
• Mol file: 4994-89-2.mol

Synonyms:5,6-dimethylthiopheno[2,3-d]pyrimidine-4-ylamine;5,6-Dimethyl-thieno[2,3-d]pyrimidin-4-ylamine;5,6-Dimethylthieno(2,3-d)pyrimidin-4-amine;4-amino-5,6-dimethylthieno[2,3-d]pyrimidine;

Chemical Property of 5,6-DIMETHYL-THIENO[2,3-D]PYRIMIDIN-4-YLAMINE

Chemical Property:

• Vapor Pressure: 9.96E-06mmHg at 25°C
• Boiling Point: 371.9°Cat760mmHg
• Flash Point: 178.7°C
• PSA: 80.04000
• Density: 1.334g/cm³
• LogP: 2.47150

Purity/Quality:

97% ^*data from raw suppliers

5,6-Dimethylthieno[2,3-d]pyrimidin-4-amine ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 5,6-DIMETHYL-THIENO[2,3-D]PYRIMIDIN-4-YLAMINE

There total 6 articles about 5,6-DIMETHYL-THIENO[2,3-D]PYRIMIDIN-4-YLAMINE 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: 76.41%

2-amino-4,5-dimethylthiophene-3-carbonitrile (4651-94-9) + formamide (77287-34-4,77287-35-5,60100-09-6) → 4-amino-5,6-dimethylthieno[2,3-d]pyrimidine (4994-89-2)

Guidance literature:

at 180 ℃; for 4h;

Reference yield:

C8H9ClN2S → 4-amino-5,6-dimethylthieno[2,3-d]pyrimidine (4994-89-2)

Guidance literature:

With ammonium hydroxide; In 1,4-dioxane; water; at 100 ℃; for 1h; Microwave irradiation;

DOI:10.1016/j.bmcl.2011.07.050

Reference yield:

5,6-dimethylthieno<2,3-d>pyrimidin-4(3H)-one (18593-44-7) → 4-amino-5,6-dimethylthieno[2,3-d]pyrimidine (4994-89-2)

Guidance literature:

Multi-step reaction with 2 steps

1: trichlorophosphate / 3 h / 90 °C / Inert atmosphere

2: ammonium hydroxide / 1,4-dioxane; water / 1 h / 100 °C / Microwave irradiation

With ammonium hydroxide; trichlorophosphate; In 1,4-dioxane; water;

DOI:10.1016/j.bmcl.2011.07.050

upstream raw materials:

2-amino-4,5-dimethylthiophene-3-carbonitrile

orthoformic acid triethyl ester

formamide

5,6-dimethylthieno<2,3-d>pyrimidin-4(3H)-one

Downstream raw materials:

(5,6-Dimethyl-thieno[2,3-d]pyrimidin-4-yl)-(4-methoxy-phenyl)-acetonitrile

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