4-imino-1-methyl-5-phenyl-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-d]pyrimidine-6-thione

Base Information

• Chemical Name: 4-imino-1-methyl-5-phenyl-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-d]pyrimidine-6-thione
• CAS No.: 501919-89-7
• Molecular Formula: C₁₂H₁₁N₅S
• Molecular Weight: 257.319

Synonyms:4-imino-1-methyl-5-phenyl-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-d]pyrimidine-6-thione

Chemical Property of 4-imino-1-methyl-5-phenyl-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-d]pyrimidine-6-thione

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Technology Process of 4-imino-1-methyl-5-phenyl-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-d]pyrimidine-6-thione

There total 1 articles about 4-imino-1-methyl-5-phenyl-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-d]pyrimidine-6-thione 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%

5-amino-4-cyano-1-methylpyrazole (5334-41-8) + phenyl isothiocyanate (103-72-0) → 4-imino-1-methyl-5-phenyl-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-d]pyrimidine-6-thione (501919-89-7)

Guidance literature:

5-amino-4-cyano-1-methylpyrazole; phenyl isothiocyanate; With potassium hydroxide; In N,N-dimethyl-formamide; for 2.5h; Heating;

With acetic acid; In water; N,N-dimethyl-formamide;

DOI:10.1007/s10593-008-0123-4

Reference yield: 93.0%

4-imino-1-methyl-5-phenyl-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-d]pyrimidine-6-thione (501919-89-7) + allyl bromide (106-95-6) → 6-allylthio-4-imino-1-methyl-5-phenyl-4,5-dihydro-1H-pyrazolo[3,4-d]pyrimidine (1210058-88-0)

Guidance literature:

With sodium ethanolate; In ethanol; at 50 - 60 ℃; for 1h; regioselective reaction;

DOI:10.1007/s10593-009-0352-1

Reference yield: 88.0%

4-imino-1-methyl-5-phenyl-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-d]pyrimidine-6-thione (501919-89-7) + propargyl bromide (106-96-7) → 1-methyl-5-phenyl-6-(2-propynylthio)-4,5-dihydro-1H-pyrazolo[3,4-d]pyrimidine-4-imine (1150662-06-8)

Guidance literature:

With potassium hydroxide; In ethanol; at 60 ℃; for 1h;

DOI:10.1007/s10593-008-0123-4

upstream raw materials:

5-amino-4-cyano-1-methylpyrazole

phenyl isothiocyanate

Downstream raw materials:

1-methyl-5-phenyl-6-(2-propynylthio)-4,5-dihydro-1H-pyrazolo[3,4-d]pyrimidine-4-imine

6-allylthio-4-imino-1-methyl-5-phenyl-4,5-dihydro-1H-pyrazolo[3,4-d]pyrimidine

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