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EnglishThree metabolises, weakly phytotoxic on apple and bean leaves, have been isolated from Pseudomonassyringae pv papulans culture filtrates and their structures established by spectroscopic analysis. The trivial names of papuline, o-hydroxynitropapuline and papulinone were assigned to the three active substances. Papuline was the methyl ester of β-phenyllacticacid, and o-hydroxynitropapuline was its meta-hydroxy-para-nitro disubstituted derivative. Papulinone, a new β-lactone structurally related to fl-phenyllacticacid, was identified as 4-(1-hydroxy-2-phenylethyl)-4-carbomethoxyoxyetan-2-one.
http://hdl.handle.net/11563/3880| Titolo: | Isolation of β-Phenyllactic acid related compounds from Pseudomonas Syringae |
| Autori interni: | IACOBELLIS, Nicola Sante SCOPA, Antonio |
| Data di pubblicazione: | 1990 |
| Rivista: | PHYTOCHEMISTRY |
| Abstract: | Three metabolises, weakly phytotoxic on apple and bean leaves, have been isolated from Pseudomonassyringae pv papulans culture filtrates and their structures established by spectroscopic analysis. The trivial names of papuline, o-hydroxynitropapuline and papulinone were assigned to the three active substances. Papuline was the methyl ester of β-phenyllacticacid, and o-hydroxynitropapuline was its meta-hydroxy-para-nitro disubstituted derivative. Papulinone, a new β-lactone structurally related to fl-phenyllacticacid, was identified as 4-(1-hydroxy-2-phenylethyl)-4-carbomethoxyoxyetan-2-one. |
| Handle: | http://hdl.handle.net/11563/3880 |
| Appare nelle tipologie: | 1.1 Articolo su Rivista |
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