## Abstract 1‐Pentene‐4‐^14^C and 1‐pentene‐5‐^14^C were obtained in one single step from iodoethane‐1‐^14^C and iodoethane‐2‐^14^C, respectively, by reaction with allylmagnesium chloride in tetrahydrofurfuroxytetrahydropyran (TFTP) as solvent. The synthesis was carried out on a twenty mmoles scale
Synthesis of 1-butene-4-c14and butane-1-c14
✍ Scribed by B. Neiman; G. I. Feklisov
- Book ID
- 112490460
- Publisher
- Springer
- Year
- 1955
- Tongue
- English
- Weight
- 265 KB
- Volume
- 2
- Category
- Article
- ISSN
- 1573-9171
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## Abstract Diazepam‐^14^C and demethyldiazepam‐^14^C are synthesized from glycine‐1‐^14^C. Addition of diketene to diazepam‐^14^C leads to ketazolam‐^14^C. The reaction conditions for the formation of ketazolam from diazepam is studied using high‐pressure liquid chromatography in conjunction with
## Abstract Phenyl [1‐^14^C] acetylene (0.012mCi/mmole) was synthesized in 12.5% yield from [1‐^14^C] acetic acid through [1‐^14^C] acetophenone, its semicarbazone, and 4‐phenyl‐[4‐^14^C] 1,2,3‐selenadiazole obtained by selenium dioxide oxidation. Oxidative coupling gave 1,4‐diphenyl [1,4‐^14^C~2~]