## 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 and carbon-13 labeled 3-methyl-6-[3-(trifluoro-methyl)phenyl]-1,2,4-triazolo[4,3-b]pyridazine
✍ Scribed by M. K. May; A. E. Lanzilotti
- Publisher
- John Wiley and Sons
- Year
- 1984
- Tongue
- French
- Weight
- 178 KB
- Volume
- 21
- Category
- Article
- ISSN
- 0022-2135
No coin nor oath required. For personal study only.
✦ Synopsis
%Methyl -6-[3-( t r i f 1 uoromethyl ) phenyl 1-1,2,4-triazolo[4,3-b] p y r i d a z i n e ($), c u r r e n t l y being evaluated as a p o t e n t i a l anxiol y t i c agent was synthesized, l a b e l e d w i t h carbon-14 i n the 3p o s i t i o n o f t h e t r i a z o l o nucleus. i n 67% radiochemical y i e l d w i t h s p e c i f i c a c t i v i t y o f 13.5 mCi/mmol and r a d i o p u r i t y of g r e a t e r than 99%. The carbon-13 l a b e l e d compound was a l s o synthesized f o r absorption and metabolism studies.
The product was obtained Key Words : 3-Methyl -6-[3-( t r i f 1 uorome t h y l ) p he n y l ]-1 ,2,4tri azol o[ 4,3-b] pyridazine, A n x i o l y t i c Agent,
📜 SIMILAR VOLUMES
## Abstract A group of radioactive 1,4‐benzodiazepine derivatives have been synthesized from glycine‐1‐^14^C. The subject compounds are labeled with carbon‐14 in the 2‐position of the 1,4‐benzodiazepine ring system.
## Abstract Carbon‐14 labeled 3,5‐dihydro‐5‐methyl‐1(2H)‐isoquinolinone, a potent inhibitor of poly(ADP‐ribose) polymerase (ADPRP) was prepared from 1‐bromo‐2‐methylbenzene in 7.8 % overall yield. The C‐14 label was introduced from Ba^14^CO~3~ via metal‐halogen exchange and carboxylation reactions.
## Abstract The syntheses of 3‐methyl‐4‐phenyl‐3‐butenamide, an hypolipemic compound, labelled 1‐^14^C (VIII) and N,N‐dideutero (XI) are described. The 2‐methyl‐3‐phenyl‐2‐propenyl chloride (VI), reacting with cuprous cyanide‐^14^C, gave the 3‐methyl‐4‐phenyl‐3‐butenonitrile‐1‐^14^C (VII) which, tr
## Abstract New 4‐Aryl‐6‐methyl‐8‐phenyl‐2,3‐dihydropyrazolo[3,4‐__b__]diazepines and 4‐aryl‐8‐methyl‐6‐phenyl‐2,3‐dihydropyrazolo[4,3‐__b__]diazepines were obtained from the reaction of 4,5‐diamino‐3‐methyl‐1‐phenylpyrazole 1 with one equivalent of the 3‐dimethylaminopropiophenones 2 in absolute e