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Synthese de l'acide acetoxy-2 trifluoromethyl-4 benzoique [noyau 14C-U] OU “triflusal [noyau 14C-U]”

✍ Scribed by J. P. Noel; L. Pichat; V. Rimbau; J. Forn

Publisher
John Wiley and Sons
Year
1982
Tongue
French
Weight
357 KB
Volume
19
Category
Article
ISSN
0022-2135

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✦ Synopsis

S y n t h e s i s o f a c e t o x y 4 -t r i f l y t r o m e t h y l b e n z o i c a c i d [ r i n g U-i ' C] o r " [ r i n g U -C] T r i f u s a l " ( R i n g U-14C) A n i l i n e 1 was c o n v e r t e i n t o ( r i n g U -1 4 C ) i d o b e n z e n e 2 t h r o u g h t h e ( r i n g U -f 4 C ) p h e n y l d i az o n i u m c h l o r i d e . T r i f l u o r o m e t h y l a t i o n o f 2 w i t h i o t r if l u o r o m e t h a n e i n p r e s e n c e o f c o p p e r g a v e T r i n g U-*'CI t r i f l u o r o m e t h y l b e n z e n e 3 w i t h a 6 4 % y i e l d . N i t r a t i o n o f * T o whom a n y c o r r e s p o n d e n c e s h o u l d be a d d r e s s e d .

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