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Syntheses of [21-11C] and (21-13C) progesterone

✍ Scribed by Pelle Lidström; Henrik Neu; Bengt Långström


Publisher
John Wiley and Sons
Year
1997
Tongue
French
Weight
403 KB
Volume
39
Category
Article
ISSN
0022-2135

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## Abstract [4‐^13^C]‐porphobilinogen 1a, [3‐^13^C]‐porphobilinogen 1b and [11‐^13^C]‐porphobilinogen 1c are prepared from [1‐^13^C]‐3‐(tetrahydropyran‐2′‐yloxy)‐propionaldehyde 2a, methyl [4‐^13^C]‐4‐nitrobutyrate 3b and [1‐^13^C]‐isocyanoacetonitrile 5c, respectively. The building blocks 2, 3 and