Description

1,3-Bis(trimethylsilyl)-2-imidazolidinethione (CAS No. 69859-14-9) is a highly specialized organosilicon compound with the molecular formula C₉H₂₂N₂SSi₂. This crystalline solid is widely utilized in advanced organic synthesis and materials science due to its unique silyl-protected thione functionality. The compound features two trimethylsilyl groups attached to a 2-imidazolidinethione core, making it particularly valuable as a protecting group reagent and precursor in heterocyclic chemistry. With a purity grade of ≥95%, this product is ideal for researchers developing novel pharmaceuticals, agrochemicals, or silicon-containing polymers. The material is packaged under inert gas to ensure stability and comes with comprehensive analytical data including ¹H NMR, ¹³C NMR, and mass spectrometry characterization.

Properties

• CAS Number: 69859-14-9
• Complexity: 218
• IUPAC Name: 1,3-bis(trimethylsilyl)imidazolidine-2-thione
• InChI: InChI=1S/C9H22N2SSi2/c1-13(2,3)10-7-8-11(9(10)12)14(4,5)6/h7-8H2,1-6H3
• InChI Key: RPHJGSGCBFTWPS-UHFFFAOYSA-N
• Exact Mass: 246.10422295
• Molecular Formula: C9H22N2SSi2
• Molecular Weight: 246.52
• SMILES: C[Si](C)(C)N1CCN(C1=S)[Si](C)(C)C
• Topological: 38.6
• Monoisotopic Mass: 246.10422295
• Synonyms: SCHEMBL20990430, DB-421138, 1,3-Bis(trimethylsilyl)-2-imidazolidinethione, 1,3-bis(trimethylsilyl)tetrahydroimidazole-2-thione, 69859-14-9

Application

1,3-Bis(trimethylsilyl)-2-imidazolidinethione serves as a versatile intermediate in organosilicon chemistry, particularly for the protection of thiol groups in complex synthetic pathways. Researchers employ this compound in the development of silicon-modified heterocycles for pharmaceutical applications, where its silyl groups enable selective reactivity. The thione functionality makes it valuable as a precursor for metal coordination complexes in catalysis. In materials science, it finds use as a building block for silicon-containing polymers with tailored properties.

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