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Pictet–Spengler reactions of oxetan-3-ones and related heterocycles

✍ Scribed by Beasley, Benjamin O.; Alli-Balogun, Abimbola; Clarkson, Guy J.; Shipman, Michael

Book ID
121395751
Publisher
Elsevier Science
Year
2014
Tongue
French
Weight
377 KB
Volume
55
Category
Article
ISSN
0040-4039

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In the initial stage of the synthesis of the eburnane-type alkaloids ( e.g. vincamine ) the condensation reaction of tryptamine (1) either with diearboxylic acid aldehyde 2a , or with diester aldehyde 2e has frequently been used. As a result of this Pictet-Spengler-type reaction, followed by ring-fo