1,4-Dihyd~~-l-[4~-(e thylaminoace ty1)-aminophenyl] --3(2H)-ieoquinolinone wae labelled with 14C in two different poeitiono: in one caee in position 3 of the ieoquinoline ring, in the other c a m in the carbonyl group of the ethylaminoacetyl moiety.
A synthesis of [14C] progabide®- a new anticonvulsant
✍ Scribed by J. Allen; D. Giffard
- Book ID
- 102368818
- Publisher
- John Wiley and Sons
- Year
- 1982
- Tongue
- French
- Weight
- 236 KB
- Volume
- 19
- Category
- Article
- ISSN
- 0022-2135
No coin nor oath required. For personal study only.
✦ Synopsis
Abstract
Progabide®, 4‐[[(4‐chlorophenyl) (5‐fluoro‐2‐hydroxyphenyl)‐methylene]amino] butanamide, labelled individually with carbon‐14 in the butanamide side‐chain and in the imino carbon were synthesised for pharmacokinetic and metabolism studies. The former from potassium [^14^C] cyanide and the latter from barium [^14^C] carbonate in overall radiochemical yields of 33.8 and 42.2 % respectively.
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14C-0chratoxin A s obtained by coupling t h e N-hydroxysuccinimide d e r i v a t i v e of t h e l a c t o n e a c i d h y d r o l y s a t e o f n a t u r a l o c h r a t o x i n A w t h 14C-L-8-phenylalanine methylester. 14C-Ochratoxin A inethylester i s converted i n t o 14Gochratox i n A by a l k
## Abstract An efficient one‐vessel synthesis of camphene‐8–^14^C was developed. Methyl‐^14^C iodide was reacted with triphenylphosphine; treatment of the resulting phosphonium salt with methyllithium produced methylene[‐^14^C]‐triphenylphosphorane, which was condensed with camphenilone to provide
## Abstract A convenient synthesis with analytical monitoring of ^14^C‐cotinine is reported. ^14^C‐Nicotine was converted into ^14^C‐dibromocotinine hydrobromide perbromide. Debromination, achieved by using Zn dust/acetic acid, resulted in high yields (71%) of ^14^C‐cotinine.