7-Methylthieno[3,2-d]pyrimidine-2,4(1H,3H)-dione

Base Information

• Chemical Name: 7-Methylthieno[3,2-d]pyrimidine-2,4(1H,3H)-dione
• CAS No.: 35265-81-7
• Molecular Formula: C7H6 N2 O2 S
• Molecular Weight: 182.2
• Hs Code.: 2934999090
• DSSTox Substance ID: DTXSID90438510
• Wikidata: Q72491284
• Mol file: 35265-81-7.mol

Synonyms:35265-81-7;7-Methylthieno[3,2-d]pyrimidine-2,4(1H,3H)-dione;7-methyl-1H-thieno[3,2-d]pyrimidine-2,4-dione;7-methylthieno[3,2-d]pyrimidine-2,4-diol;7-methyl-1H,2H,3H,4H-thieno[3,2-d]pyrimidine-2,4-dione;7-Methylthieno[3,2-d]pyrimidin-2,4(1H,3H)-dione;SCHEMBL357372;SCHEMBL23599247;DTXSID90438510;Thieno[3,2-d]pyrimidine-2,4(1H,3H)-dione, 7-methyl-;XFXGDEBYBPGDLF-UHFFFAOYSA-N;CS-M2509;MFCD10000840;AKOS006304035;AKOS016003644;AB56027;GS-0611;F30745;7-Methylthieno[3,2-d]pyrimidine-2,4 (1H,3H)-dione;7-Methyl-1H,2H,3H,4H-thieno-[3,2-d]pyrimidine-2,4-dione

Chemical Property of 7-Methylthieno[3,2-d]pyrimidine-2,4(1H,3H)-dione

Chemical Property:

• PSA: 94.48000
• Density: 1.433
• LogP: 1.41090
• Storage Temp.: 2-8°C
• XLogP3: 0.8
• Hydrogen Bond Donor Count: 2
• Hydrogen Bond Acceptor Count: 3
• Rotatable Bond Count: 0
• Exact Mass: 182.01499861
• Heavy Atom Count: 12
• Complexity: 244

Purity/Quality:

98%min ^*data from raw suppliers

7-Methylthieno[3,2-D]pyrimidine-2,4(1H,3H)-dione ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: CC1=CSC2=C1NC(=O)NC2=O

Technology Process of 7-Methylthieno[3,2-d]pyrimidine-2,4(1H,3H)-dione

There total 13 articles about 7-Methylthieno[3,2-d]pyrimidine-2,4(1H,3H)-dione 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: 93.7%

3-amino-4-methyl-2-thiophenecarboxylic acid methyl ester (85006-31-1) → 7-methylthieno<3,2-d>pyrimidine-2,4-dione (35265-81-7)

Guidance literature:

With urea; In (2S)-N-methyl-1-phenylpropan-2-amine hydrate; N,N-dimethyl-formamide;

Reference yield: 93.7%

urea (57-13-6) + 3-amino-4-methyl-2-thiophenecarboxylic acid methyl ester (85006-31-1) → 7-methylthieno<3,2-d>pyrimidine-2,4-dione (35265-81-7)

Guidance literature:

In N,N-dimethyl-formamide; for 2.5h; Heating / reflux;

Reference yield: 79.8%

potassium cyanate (590-28-3) + 3-amino-4-methyl-2-thiophenecarboxylic acid methyl ester (85006-31-1) → 7-methylthieno<3,2-d>pyrimidine-2,4-dione (35265-81-7)

Guidance literature:

potassium cyanate; 3-amino-4-methyl-2-thiophenecarboxylic acid methyl ester; With acetic acid; In water; at 0 ℃; for 2h;

With sodium hydroxide; at 130 ℃; for 4h;

DOI:10.1016/j.ejmech.2021.113357

upstream raw materials:

urea

3-amino-4-methyl-2-thiophenecarboxylic acid methyl ester

4-Methyl-3-ureido-thiophene-2-carboxylic acid ethyl ester

4-methyl-3-ureido-thiophene-2-carboxylic acid methyl ester

Downstream raw materials:

2,4-dichloro-7-methyl-thieno[3,2-d]pyrimidine

2-chloro-thieno[3,2-d]pyrimidine-7-carbaldehyde

2-Chloro-thieno[3,2-d]pyrimidine-7-carboxylic acid (3,4-dimethoxy-phenyl)-amide

2-chloro-thieno[3,2-d]pyrimidine-7-carboxylic acid (3,4,5-trimethoxy-phenyl)-amide