Phloroglucinol derivatives

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Alpha-pyrone glycosides from Scutellaria salviifolia Benth

Scutellaria salviifolia Benth. is an endemic species growing in Turkey that belongs to the family Lamiaceae. As a result of a phytochemical study on the aerial parts of S. salviifolia Benth., two new and 10 known compounds were isolated from the aqueous fraction of methanolic extract. The new compounds are methyl-α-pyrone glucosides, 3,4-dihydroxy-6-methylpyran-2-one 3-O-β -glucopyranoside (=scusalvioside A, 1), and 3,4-dihydroxy-6-methylpyran2-one 3-O-β -(6′ -O-E -caffeoyl) glucopyranoside (=scusalvioside B, 2) with new skeletal structures.

10p tudichquannguyet 29-11-2021 12 1 Download

Isolation, cloning and sequencing of Phlacbd gene cluster encoding antibiotic and Phloroglucinol derivative 2, 4-Diacetylphloroglucinol (2, 4- DAPG) from Pseudomonas Fluorescens

Pseudomonas represents as one of the most abundant class of bacterial genus in many antagonistic root-associated communities. Pseudomonas spp. residing in the rhizosphere has the ability to produce antimicrobial metabolites including phloroglucinol derivatives 2,4-DAPG, which is a major class of secondary metabolite protecting plants against different types of phytopathogens. The present study was conducted to isolate 2,4-DAPG producing Pseudomonas fluorescens isolates from Rhizosphere soil samples of different crops.

14p kequaidan2 11-12-2019 13 1 Download