## Abstract N‐[3‐(2,4‐dichlorophenoxy)propyl]‐N‐methyl‐2‐propynylamine‐1‐^14^C (^14^C‐clorgyline, **1a**) and L‐N, α‐dimethyl‐N‐2‐propynyl‐1‐^14^C‐phenethylamine (^14^C‐L deprenyl, **1b**) were synthesized by the Mannich reaction of 2‐methyl‐3‐butyn‐2‐ol, ^14^C‐formaldehyde, and secondary amines 3‐
Synthesis of 14C-labeled inhibitors of monoamine oxidase
✍ Scribed by C. H. Williams
- Publisher
- John Wiley and Sons
- Year
- 1981
- Tongue
- French
- Weight
- 190 KB
- Volume
- 18
- Category
- Article
- ISSN
- 0022-2135
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✦ Synopsis
Abstract
The monoamine oxidase inhibitors pargyline and clorgyline have been synthesized by methylation of the appropriate secondary propargylamines, using [^14^C]dimethyl sulphate. This simple method should be generally applicable to other compounds of this class.
📜 SIMILAR VOLUMES
a m i n e a n d N-methylphenethyl amine as well as the 14C-labeling of c l o r g y l i n e a n d L -d e p r e n y l a r e d e s c r i b e d . L a b e l i n g was a c c o m p l i s h e d b y N -a l k y l a t l o n o f t h e f r e e b a s e o f t h e c o r r e s p o n d i n g d e s m e t h y l c o m p
The suicide inhibitors of mnoamlne aridase type A and 8, clorgylina and L-deprenyl have been labeled with carbon-11 by [llC]methylation of the wrbases vlth [11C]E31. (D-deprenyl) wae dmo labeled uei-this procedure. The synthesis time was 35 minutes, the radiochemical yield was 2 5 4 0 % and the epec
14C-labelled 3-(3,4dihydroxy-5-nitrophenylmethylidene)-2,4-pentanedione (4 and 14C-labelled E-N,NdiethyI-Zcyano-3-(3,4-dih droxy 5-nitropheny1)acryl-Key words: carbon-14 labelling, synthesis, COMT-inhibitor. amide (5) have been synthesized from (carbonyl-A Clvanillin.
A new procedure has been developed for the synthesis of I4C-labeled glutethimide with an improved yield from K14CN. In this procedure benzyl cyanide prepared from benzyl chloride and K14CN was almost quantitatively monoethylated by an ion-pair extraction method using 50% excess of tetrabutylammonium