Syntheses of cyclotetradepsipeptides, AM-toxin 111 and two analogs, were achieved, in which the Hofmann degradation method was used in order to derive a dehydroalanine residue from a 2,3\_diaminopropionic acid residue in cyclodepsipeptide precursors. AM-Toxins (Fig. 1) are host-specific phytotoxic
β¦ LIBER β¦
Syntheses of cyclotetradepsipeptides, am-toxin I and its analogs
β Scribed by Sannamu Lee; Haruhiko Aoyagi; Yasuyuki Shimohigashi; Nobuo Izumiya; Tamio Ueno; Hiroshi Fukami
- Publisher
- Elsevier Science
- Year
- 1976
- Tongue
- French
- Weight
- 253 KB
- Volume
- 17
- Category
- Article
- ISSN
- 0040-4039
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β¦ Synopsis
For the synthesis of a cyclotetradepslpeptlde correspondlng to the sequence of AM-Torln I C&j, [O-Me-L-Tyrll-AM-Toxin (l&j was selected as a model peptlde in a prellmlnary siudy Synthesis of &was attempted through SIX different routes, and one (the route D) afforded the lb in a good yield Synthesis of a peptide correspondlng to la was achieved according to the route D, and the peptrde obtained was ldentlcal with natural Toxin I In regard to TLC, W, MS
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