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Synthese dans le domaine de la methyl-2 [1] benzothieno [3,4-bc] thiinne et de la benzo [e] methyl-2 [1]benzothieno [3,4-bc] thiinne

✍ Scribed by J.F. Muller; D. Cagniant; P. Cagniant

Book ID
104236348
Publisher
Elsevier Science
Year
1972
Tongue
French
Weight
138 KB
Volume
13
Category
Article
ISSN
0040-4039

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Synthese radioactive de sels d'ammonium
Synthese radioactive de sels d'ammonium quaternaires d'hydroxy imino methyl-2 OU -4 pyridinyle par l'intermediaire de la N-methyl formanilide-14C. II. Marquage par 14C de l'iodure d'[hydroxyimino methyl-2 methyl-1 pyridinyle ou 2-PAM Iodure et du diodure de trimethylène dioxy-3,3′ bis [hydroxy imino methyl-2 methyl-1, pyridinyle] ou R-665
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The two compounds were labelled by ^14^C on the hydroxyimino methyl group substituted on the 2 positions of the pyridinium ring. The convenient pyridinium lithiated intermediates were formylated with N‐methyl ^14^C‐formanilide. The hydroxyimino methyl groups were synthezised by reaction of the ^14^

Synthese radioactive de sels d'ammonium
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The ^14^C labelling of three compounds : HI‐6, TMB‐4 and pyrimidoxime is described from ^14^C‐formic acid, sodium salt. The compounds were prepared by lithiation and formylation with N‐methyl (^14^C)‐formanilide followed by introduction of the hydroxylamine moieties and alkylation of the pyridine. R