4-Methoxythieno[2,3-d]pyrimidine

Base Information

• Chemical Name: 4-Methoxythieno[2,3-d]pyrimidine
• CAS No.: 14080-52-5
• Molecular Formula: C₇H₆N₂OS
• Molecular Weight: 166.203
• DSSTox Substance ID: DTXSID701301991
• Nikkaji Number: J2.799.113K

Synonyms:4-Methoxythieno[2,3-d]pyrimidine;14080-52-5;SCHEMBL23937935;DTXSID701301991;CS-0513892

Chemical Property of 4-Methoxythieno[2,3-d]pyrimidine

Chemical Property:

• Vapor Pressure: 0.004mmHg at 25°C
• XLogP3: 1.4
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 4
• Rotatable Bond Count: 1
• Exact Mass: 166.02008399
• Heavy Atom Count: 11
• Complexity: 144

Purity/Quality:

95% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

• Canonical SMILES: COC1=C2C=CSC2=NC=N1

Technology Process of 4-Methoxythieno[2,3-d]pyrimidine

There total 3 articles about 4-Methoxythieno[2,3-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: 89.0%

4-chlorothieno[2,3-d]pyrimidine (14080-59-2) + sodium methylate (124-41-4) → 4-methoxythieno[2,3-d]pyrimidine (14080-52-5)

Guidance literature:

In methanol; for 4h; Reflux;

DOI:10.1016/j.tetlet.2015.05.104

Reference yield:

thieno[2,3-d]pyrimidin-4(3H)one (14080-50-3) → 4-methoxythieno[2,3-d]pyrimidine (14080-52-5)

Guidance literature:

Multi-step reaction with 2 steps

1: POCl₃, Py

With pyridine; trichlorophosphate;

Reference yield:

→ 4-methoxythieno[2,3-d]pyrimidine (14080-52-5)

Guidance literature:

4-Chlor-thieno<2,3-d>pyrimidin, CH3ONa;

upstream raw materials:

4-chlorothieno[2,3-d]pyrimidine

sodium methylate

thieno[2,3-d]pyrimidin-4(3H)one

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