Compound Q&A
How is 2,4-Dichlorothieno[2,3-d]pyrimidine (CAS: 18740-39-1) typically synthesized?
Answer
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2,4-Dichlorothieno[2,3-d]pyrimidine can be synthesized via the condensation of 2,4-dichlorothiophene with 2,3-diaminopyrimidine. The reaction is typically carried out in the presence of an acid catalyst, such as sulfuric acid, with a yield of about 70-80%. The reaction is selective and the product is isolated by crystallization from an appropriate solvent.
About
CAS No
18740-39-1
English Name
2,4-Dichlorothieno[2,3-d]pyrimidine
Molecular Formula
C6H2Cl2N2S
Molecular Weight
205.07 g/mol
SMILES
C1=CSC2=C1C(=NC(=N2)Cl)Cl
InChIKey
HRXNGIQKOWQHCX-UHFFFAOYSA-N
Last Updated: 2025-10-13 15:08
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