Sodium almagam reduction of 3-bromopropenoic acids: a convenient stereospecific synthesis of [3-3H1] and [3-2H1] acrylic acids
β Scribed by D.H.G. Crout; J.A. Corkill
- Publisher
- Elsevier Science
- Year
- 1977
- Tongue
- French
- Weight
- 178 KB
- Volume
- 18
- Category
- Article
- ISSN
- 0040-4039
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β¦ Synopsis
A variety with isotopic eriopropiolic of methods have been used to synthesise acrylates labelled in the B-position hydrogen. Catalytic deuteration of propiolic esters or hydrogenation of deutesters using the Lindlar catalyst suffered from low stereospecificity and
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## Abstract [3β^3^H]Squalene and [3β^3^H]β2,3βoxidosqualene, key compounds for studying the biosynthesis of sterols, were synthesized. The main step was a modified Wittig reaction of [1β^3^H]trisnorsqualene aldehyde with a phosphorus ylide to give [3β^3^H]squalene or with a sulfur ylide to give [3β