New Synthetic Methods Utilizing Conjugate Addition of Nucleophiles to 1-Chlorovinyl p-Tolyl Sulfoxide
โ Scribed by Tsuyoshi Satoh; Shimpei Sugiyama
- Book ID
- 102008796
- Publisher
- John Wiley and Sons
- Year
- 2007
- Weight
- 11 KB
- Volume
- 38
- Category
- Article
- ISSN
- 0931-7597
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๐ SIMILAR VOLUMES
Addition of the lithium ester enolates to 1-chlorovinyl p-tolyl sulfoxides, which were synthesized from chloromethyl p-tolyl sulfoxide and ketones or aldehydes, gave esters having a tertiary or a quaternary carbon at the 3-position, and chlorine and sulfinyl groups at the 4-position in high to quant
Enantiomerically pure 1-chlorovinyl p-tolyl sulfoxides having two different substituents at the 2-position were synthesized from unsymmetrical ketones and (R)-(-)-chloromethyl p-tolyl sulfoxide in three steps. Treatment of the 1-chlorovinyl p-tolyl sulfoxides with cyanomethyllithium at -78ยฐC to room