Oxidative cyclisation of ketone thiosemicarbazones. Part II. Derivatives of phenoxyacetone
✍ Scribed by Landquist, Justus K.
- Book ID
- 118015093
- Publisher
- The Royal Society of Chemistry
- Year
- 1970
- Tongue
- English
- Weight
- 283 KB
- Volume
- 2
- Category
- Article
- ISSN
- 0022-4952
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## Abstract Certain carbohydrates have been found to be excellent precursors for the samarium diiodide‐mediated 4‐__exo__‐__trig__ cyclisation reaction of their keto‐olefin derivatives, which were readily prepared in a few easy steps. The cyclisation was found to be stereoselective, affording __cis
## Abstract The syntheses of 2,3‐dihydro‐1,3,4‐thiadiazoles and 1,3,4‐thiadiazoles from 1,2‐__O__‐isopropylidene‐α‐D‐__xylo__‐1,5‐pentadialdo‐1,4‐furanose thiosemicarbazone are described. The new compounds as well as the intermediate products are physically and spectroscopically characterized. We d