## Abstract Carbon‐13 and carbon‐14 labeled forms of the title compound have been prepared from the correspondingly labeled forms of 8‐chloro‐1‐methyl‐6‐phenyl‐4H‐__s__‐triazolo[4,3‐a][1,4]benzodiazepine (__3__)Alprazolam is the generic USAN name for this compound. . A modified and more convenient
Synthesis of carbon-14 labelled S-ethyl hexahydro-1H-azepine-1-carbothiolate
✍ Scribed by A. D. Gutman; D. R. Baker; M. E. Brokke
- Publisher
- John Wiley and Sons
- Year
- 1966
- Tongue
- French
- Weight
- 196 KB
- Volume
- 2
- Category
- Article
- ISSN
- 0022-2135
No coin nor oath required. For personal study only.
✦ Synopsis
labelled in the ethyl moiety and in the azepine ring with carbon-14 was prepared to facilitate residue and metabolism studies. The ethyl labeled compound was prepared in 86% yield and 99+% radiochemical purity. The azepine labeled material was prepared in 60% yield and 99+% radiochemical purity.
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## Abstract Reaction of 7‐chloro‐1, 3‐dihydro‐5‐phenyl‐2H‐1, 4‐benzodiazepine ‐2‐thione (Ia) and 7‐chloro‐5‐(2‐chlorophenyl)‐1, 3‐dihydro‐2H, 1, 4‐benzodiazepine‐2‐thione (Ib) with hydrazine produces. respectively, 7‐chloro‐5‐phenyl‐3H‐1, 4‐benzo‐diazepin‐2‐yl hydrazin (IIa) and 7‐chloro‐5(2‐chlorp
The s y t h e s i s of carbon-14 labeled l-ir-3-ar~,'lI-7f~r~c.q, Icdtosine and i t s hydrochloride salt i s described. i n four steps from bariwn carbonats-'4C, are labeterl in ;ve Z-7 position of the pyrimidine ring.
## Abstract ^14^C‐labeled hexahydro‐1,3,5‐trinitro‐1,3,5‐triazine (2, RDX) was prepared by nitrolysis of hexahydro‐1,3,5‐tripropionyl‐1,3,5‐triazine (1) for bioenvironmental studies. 1 was synthesized from paraformaldehyde and propionitrile by a modified method reported earlier.