Microscopic investigation of the 14C + 14C interaction
โ Scribed by D. Baye; P.-H. Heenen
- Book ID
- 107982237
- Publisher
- Elsevier Science
- Year
- 1983
- Tongue
- English
- Weight
- 735 KB
- Volume
- 403
- Category
- Article
- ISSN
- 0375-9474
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๐ SIMILAR VOLUMES
## Abstract Reaction of adriamycinone with excess ^14^CH~3~Mgl and periodate cleavage of the resulting glycol (5) affords daunomycinoneโ14โ^14^C (6). Bromination and hydrolysis of 6 gives adriamycinoneโ14โ^14^C (8). Coupling of 6 and the 14โ0โpโanisyldiphenylโmethyl derivative (9) with 1โchloroโ3โN
## Abstract A neurokinin (NKโ1) receptor antagonist, [^14^C]Aprepitant, was synthesized using two labeled olefination reagents: [^14^C]dimethyltitanocene 1 and [^14^C]methyl (methyltrimethylsilyl)titanocene 7. Both reagents can be readily prepared from [^14^C]methyllithium and have been shown to co
## Abstract Uniformly labelled (โ)โmentholโ^14^C and (+)โneomentholโ^14^C were isolated and purified from the oil of peppermint plants grown in a ^14^CO~2~ chamber by preparative high performance liquid chromatography. This procedure is much simplier than previous methods and allows for large amoun
The synthesis of lanosterol [la] and desmosterol [Ira] Iabeled with 14C in the 25 position by a Wittig reaction between triphenyl-214C isopropylidene-phosphorane [IVb] and the corresponding aldehydes are described. The specijic activities obtained are, respectively, 0.539 mClmM and 0.752 mClmM and t