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High Pressure Approach to the Synthesis of Diazacoronands and Cryptands

✍ Scribed by Jurczak, Janusz; Ostaszewski, Ryszard


Book ID
118748950
Publisher
Taylor and Francis Group
Year
1992
Tongue
English
Weight
635 KB
Volume
27
Category
Article
ISSN
0095-8972

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High pressure approach to the total synt
✍ Adam GoΕ‚Θ©biowski; Janusz Jurczak; Ulla Jacobsson πŸ“‚ Article πŸ“… 1987 πŸ› Elsevier Science 🌐 French βš– 310 KB

Methyl 2,6-di-I-acetyl-6-epia-&-purpurosaminide B (11) was synthesized from L-alanine by an eleven-step reaction sequence. Eu(fod)a-mediated high-pressure (4t2)cycloaddition of 1-methoxybuta-1,3-diene (2) to a-amino aldehyde 3, easily available from Galanine (A), is the key step in the synthetic seq