Cross Metathesis of α-Methylene Lactones II: γ- and δ-Lactones
✍ Scribed by Raju, Ravinder; Allen, Laura J.; Le, Tri; Taylor, Christopher D.; Howell, Amy R.
- Book ID
- 125952469
- Publisher
- American Chemical Society
- Year
- 2007
- Tongue
- English
- Weight
- 59 KB
- Volume
- 9
- Category
- Article
- ISSN
- 1523-7060
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📜 SIMILAR VOLUMES
Summaryr Addition of phenylthiol to a-trimethylsilylmethylene-r-lactones affords a-phenylthio(trhnethylsilyl)methyl-s-lactones which, on treatment with tetrabutylammonium fluorlde and methyl acrylate give the corresponding a-methylene-a-lactones through a one-pot double deblocking process. The a-me
o-Trimethylsilyloxy-a-diazo-b-ketophosphonates were prepared in two steps from g-lactones. After exposure to catalytic rhodium(II) in refluxing toluene and further aqueous treatment, they gave rise to a-phosphono-d-lactones in moderate to good yields.