## Abstract [^2^H]βDiethoxymethane is prepared in one step from triethylorthoformate. Its usefulness as a precursor to [^2^H]βformaldehyde is shown by the Diels Alder synthesis of a monolabelled bicyclic amine. The title compound should also be useful in the syntheses of other labelled compounds in
A convenient synteesis of [methylene-2H and 3H] tolazoline
β Scribed by Manouchehr Saljoughian
- Publisher
- John Wiley and Sons
- Year
- 1984
- Tongue
- French
- Weight
- 101 KB
- Volume
- 21
- Category
- Article
- ISSN
- 0022-2135
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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