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Synthesis of 1-(tetrahydrofuran-2-yl)-5-fluorouracil-2-14C) (ftorafur-2-14C)

✍ Scribed by Steven J. Manning; Arthur M. Cohen; Leroy B. Townsend

Publisher
John Wiley and Sons
Year
1978
Tongue
French
Weight
159 KB
Volume
15
Category
Article
ISSN
0022-2135

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## Abstract ^14^C‐Labelled myosmine ([2′‐^14^C]‐3‐(1‐pyrrolin‐2‐yl)pyridine) was synthesized for autoradiography studies starting from [carboxyl‐^14^C]‐nicotinic acid by initial esterification of the latter in the presence of 1,1,1‐triethoxyethane. Without any purification the ethyl nicotinate form

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## Abstract [1‐^14^C]‐2,2‐Difluoroethene was synthesized from [^14^C]‐formaldehyde using a modification of the Wadsworth‐Emmons reaction, __via__ formation of the intermediate (EtO)~2~P(O)CF~2~^14^CH~2~OSiMe~3~. This highly volatile product was collected in a liquid nitrogen trap at a purity of >97