Thieno[3,2-d]pyrimidine

Base Information

• Chemical Name: Thieno[3,2-d]pyrimidine
• CAS No.: 272-68-4
• Molecular Formula: C6H4 N2 S
• Molecular Weight: 136.17436
• Hs Code.: 2934999090
• European Community (EC) Number: 835-547-1
• DSSTox Substance ID: DTXSID50504083
• Wikidata: Q82358331
• Mol file: 272-68-4.mol

Synonyms:thienopyrimidine

Chemical Property of Thieno[3,2-d]pyrimidine

Chemical Property:

• Vapor Pressure: 0.044mmHg at 25°C
• Melting Point: 83 °C
• Refractive Index: 1.705
• Boiling Point: 246.047°C at 760 mmHg
• PKA: 1.20±0.30(Predicted)
• Flash Point: 107.429°C
• PSA: 54.02000
• Density: 1.369g/cm³
• LogP: 1.69130
• XLogP3: 1.3
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 3
• Rotatable Bond Count: 0
• Exact Mass: 136.00951931
• Heavy Atom Count: 9
• Complexity: 107

Purity/Quality:

NLT 98% ^*data from raw suppliers

thieno[3,2-d]pyrimidine ^*data from reagent suppliers

Safty Information:

• Pictogram(s): Xn
• Hazard Codes: Xn
• Statements: 22

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C1=CSC2=CN=CN=C21

Technology Process of Thieno[3,2-d]pyrimidine

There total 7 articles about Thieno[3,2-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: 23.0%

→ thieno[3,2-d]pyrimidine (272-68-4)

Guidance literature:

Reference yield:

4-chlorothieno[3,2-d]pyrimidine (16269-66-2) → thieno[3,2-d]pyrimidine (272-68-4)

Guidance literature:

With hydrogen; magnesium oxide; palladium on activated charcoal; In methanol; under 760 Torr; Ambient temperature;

DOI:10.1016/S0040-4020(01)90718-5

Reference yield:

3-formylamino-thiophene-2-carbaldehyde (53827-34-2) → thieno[3,2-d]pyrimidine (272-68-4)

Guidance literature:

With ammonia; In formamide; at 160 ℃;

upstream raw materials:

7-bromo-4-chlorothieno[3,2-d]pyrimidine

3-formylamino-thiophene-2-carbaldehyde

4-chlorothieno[3,2-d]pyrimidine

4-hydrazinothieno[3,2-d]pyrimidine

Downstream raw materials:

7-Brom-thieno<3,2-d>pyrimidin

7-Chlor<3,2-d>thienopyrimidin

Refernces

• 1、 -. "Preparation of tricyclic compounds capable of inhibiting tyrosine kinases of the epidermal growth factor receptor family.". . . Retrieved 2008/06/13.