3-(1,3-Dithian-2-ylidene)pentane-2,4-dione

CAS: 55727-23-6

Ref. 3D-FD22554

Product Information

• Name: 3-(1,3-Dithian-2-ylidene)pentane-2,4-dione
• Synonyms: 3-(1,3-Dithian-2-ylidene)-2,4-pentanedione, 2,4-Pentanedione, 3-(1,3-Dithian-2-Ylidene)-, 3-(1,3-Dithian-2-ylidene)pentane-2,4-dione

Description

3-(1,3-Dithian-2-ylidene)pentane-2,4-dione is a high yielding, chemoselective reagent for the preparation of thioacetals from aromatic aldehydes and alcohols. 3-(1,3-Dithian-2-ylidene)pentane-2,4-dione reacts with the aldehyde at the less hindered alpha position to form an intermediate that undergoes a thioacetalization reaction. This intermediate is then hydrolyzed to release the alcohol and regenerate the 3-(1,3-Dithian-2-ylidene)pentane-2,4-dione. The yield of this reaction depends on the type of aliphatic reactant used as well as its concentration. Hydrochloric acid catalyzes this reaction. 3-(1,3-Dithian-2-ylidene)pentane-2,4-

• Brand: Biosynth

Chemical properties

• Molecular weight: 216.32 g/mol
• Formula: C₉H₁₂O₂S₂
• Purity: Min. 95%
• InChI: InChI=1S/C9H12O2S2/c1-6(10)8(7(2)11)9-12-4-3-5-13-9/h3-5H2,1-2H3
• InChI key: InChIKey=PGPIRMKKHQOWIK-UHFFFAOYSA-N
• SMILES: CC(=O)C(C(C)=O)=C1SCCCS1