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Tacamine, the first example of a new class of indole alkaloids

✍ Scribed by T.A. Van Beek; P.P. Lankhorst; R. Verpoorte; A.Baerheim Svendsen

Publisher
Elsevier Science
Year
1982
Tongue
French
Weight
222 KB
Volume
23
Category
Article
ISSN
0040-4039

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## Abstract The synthesis of aldehyde intermediates suitable for the preparation of indole alkaloids of the tacamine (1) type is described. The four possible aldehydes 4–7 were prepared from methyl 5‐ethylnicotinate (8) in a few simple steps using a base‐catalyzed epimerization as the final step (_