Microsynthesis of C14-Labelled Ethyl Iodide
โ Scribed by ARROL, W. J.; GLASCOCK, RAYMOND
- Book ID
- 109557152
- Publisher
- Nature Publishing Group
- Year
- 1948
- Tongue
- English
- Weight
- 121 KB
- Volume
- 161
- Category
- Article
- ISSN
- 0028-0836
- DOI
- 10.1038/161932a0
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๐ SIMILAR VOLUMES
## Abstract Microscale Wittig olefination of commercially available [7โ^14^C]โbenzal dehyde of high specific radioactivity with aryl bromomethyl phosphonium salt and subsequent oxidative photocyclisation affords pure ^14^Cโlabelled picene in efficient yield.
## Abstract A method for the synthesis of 5โethylorotic acidโ2โ^14^C (V), 5โethyluracilโ2โ^14^C (VI) and 5โethylytosineโ2โ^14^C (VIII) starting from thioureaโ^14^C with the specific activity of 30 mCi/mM has been described. The labelled compounds obtained show satisfactory chemical and radiochemica
## Abstract A six step synthesis of dimethyl([^14^C]methylene)ammonium iodide (Eschenmoser's salt) is described. Sodium [2โ^14^C]acetate was used as the starting material. The overall yield of the final product was 30% with specific activity 8 mCi/mol.