## Abstract Heteroconjugate addition of various alkyllithium reagents to α‐silylallenephosphonates 3b,c has been accomplished in high yields. The formation of thiophene‐2‐phosphonates 5, by heteroconjugate addition of organolithium to 3bc, followed by treatment with sulfur dioxide, proceeds in reas
ChemInform Abstract: Synthesis of Thiophene-2-phosphonates via α,β-Unsaturated Sulfines as Intermediates.
✍ Scribed by J. B. VAN DER LINDEN; A. C. B. LUCASSEN; B. ZWANENBURG
- Book ID
- 112022773
- Publisher
- John Wiley and Sons
- Year
- 2010
- Weight
- 31 KB
- Volume
- 26
- Category
- Article
- ISSN
- 0931-7597
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📜 SIMILAR VOLUMES
A new method for the synthesis of a&unsaturated sulfines by a Peterson alkylidenation of surfur dioxide is described. The required ol-silyl carbaruons are generated by heteroconjugate addrtion of alkyllithium to a-trimethylsilylated allentc suEfones. The ConJugated vinylsuljlnes thus prepared underg
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