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Synthetic Disproof of the Structure Proposed for Alectrol, the Germination Stimulant from Vigna unguiculata (1999)

Matsui, Junichi ; Bando, Masahiko ; Kido, Masaru ; [et al.]

Weinheim : Wiley-Blackwell

Liebigs Annalen 1999 (1999), S. 2195-2199

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ISSN: 1434-193X

Keywords: Alectrol ; Ecology ; Lactones ; Phytochemistry ; Chemistry ; General Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: Several compounds [(±)-3a, (±)-3b, (±)-10, (±)-11, and (±)-12] with structures related to that proposed for alectrol (3), the germination stimulant for seeds of parasitic weeds, have been synthesized. Structure (±)-3a has been solved by X-ray-crystallographic analysis. Comparison of the 1H-NMR data of the synthetic compounds with those reported for alectrol showed the proposed structure 3 to be incorrect. The synthetic products (±)-3a and (±)-3b showed significant germination stimulating activity on clover broomrape (Orobanche minor) seeds.

Additional Material: 1 Ill.

Type of Medium: Electronic Resource

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