2-(2-Hydroxyphenyl)-5-imino-4-thioxo-3,4-dihydro-5H-<1>benzopyrano<4,3-d>pyrimidine

Base Information

• Chemical Name: 2-(2-Hydroxyphenyl)-5-imino-4-thioxo-3,4-dihydro-5H-<1>benzopyrano<4,3-d>pyrimidine
• CAS No.: 98078-82-1
• Molecular Formula: C₁₇H₁₁N₃O₂S
• Molecular Weight: 321.359

Synonyms:2-(2-Hydroxyphenyl)-5-imino-4-thioxo-3,4-dihydro-5H-<1>benzopyrano<4,3-d>pyrimidine

Chemical Property of 2-(2-Hydroxyphenyl)-5-imino-4-thioxo-3,4-dihydro-5H-<1>benzopyrano<4,3-d>pyrimidine

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Technology Process of 2-(2-Hydroxyphenyl)-5-imino-4-thioxo-3,4-dihydro-5H-<1>benzopyrano<4,3-d>pyrimidine

There total 2 articles about 2-(2-Hydroxyphenyl)-5-imino-4-thioxo-3,4-dihydro-5H-<1>benzopyrano<4,3-d>pyrimidine 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: 79.0%

4-Dicyanomethylene-2-(2-hydroxyphenyl)-4H-1,3-benzoxazine (90681-65-5) → 2-(2-Hydroxyphenyl)-5-imino-4-thioxo-3,4-dihydro-5H-<1>benzopyrano<4,3-d>pyrimidine (98078-82-1)

Guidance literature:

With hydrogen sulfide; triethylamine; In methanol;

DOI:10.1055/s-1986-31504

Reference yield: 4.0%

malononitrile (109-77-3) + 6,6'-(1,2,4-Dithiazolidin-3,5-yliden)-bis-2,4-cyclohexadien-1-on (63963-47-3) → 4-Dicyanomethylene-2-(2-hydroxyphenyl)-4H-1,3-benzoxazine (90681-65-5) + 2-(2-Hydroxyphenyl)-5-imino-4-thioxo-3,4-dihydro-5H-<1>benzopyrano<4,3-d>pyrimidine (98078-82-1)

Guidance literature:

With sodium fluoride; In dimethyl sulfoxide; for 0.0333333h; Heating;

DOI:10.1055/s-1985-31266

Reference yield: 87.0%

2-(2-Hydroxyphenyl)-5-imino-4-thioxo-3,4-dihydro-5H-<1>benzopyrano<4,3-d>pyrimidine (98078-82-1) + methyl chloroacetate (96-34-4) → 2-(2-Hydroxy-phenyl)-5-imino-5H-[1]benzopyrano[4,3-d]pyrimidin-4-ylthioglycolsaeuremethylester

Guidance literature:

With triethylamine; In N,N-dimethyl-formamide; at 20 ℃; for 1h;

upstream raw materials:

4-Dicyanomethylene-2-(2-hydroxyphenyl)-4H-1,3-benzoxazine

malononitrile

6,6'-(1,2,4-Dithiazolidin-3,5-yliden)-bis-2,4-cyclohexadien-1-on

Downstream raw materials:

2-(2-Hydroxyphenyl)-5-imino-4-methylthio-5H-<1>benzopyrano<4,3-d>pyrimidine

2-(2-Hydroxyphenyl)-4-imino-5-oxo-3,4-dihydro-5H-<1>benzopyrano<4,3-d>pyrimidine

2-(2-Hydroxyphenyl)-4,5-dioxo-3,4-dihydro-5H-<1>benzopyranopyrimidine

2-(2-Hydroxyphenyl)-4,5-diimino-3,4-dihydro-5H-<1>benzopyrano<4,3-d>pyrimidine

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