Results 31 to 40 of about 3,055,660 (264)

Cytotoxic Minor Piericidin Derivatives from the Actinomycete Strain Streptomyces psammoticus SCSIO NS126

open access: yesMarine Drugs, 2021
The mangrove-sediment-derived actinomycete strain Streptomyces psammoticus SCSIO NS126 was found to have productive piericidin metabolites featuring anti-renal cell carcinoma activities.
Kunlong Li   +9 more
doaj   +1 more source

Absolute configuration of 3β-acetoxyolean-11,12-aziridin-28,13-β-olide

open access: yesActa Crystallographica Section E, 2011
The title compound, C32H49NO4, has been isolated from the dichloromethane extract of the stem bark of Garcinia atroviridis Griff. ex T. Anders. Rings A and B, B and C, and C and D are trans-fused, whereas rings D and E are cis-fused.
Wen Nee Tan   +4 more
doaj   +1 more source

Pd-catalyzed enantioselective aerobic oxidation of secondary alcohols: Applications to the total synthesis of alkaloids [PDF]

open access: yes, 2008
Enantioselective syntheses of the alkaloids (-)-aurantioclavine, (+)-amurensinine, (-)-lobeline, and (-)- and (+)-sedamine are described. The syntheses demonstrate the effectiveness of the Pd-catalyzed asymmetric oxidation of secondary alcohols in ...
Bagdanoff, Jeffrey T.   +5 more
core   +2 more sources

Absolute configuration of (1S,2S)-3-methyl-2-phenyl-2,3-dihydrothiazolo[2,3-b]quinazolin-5-one

open access: yesActa Crystallographica Section E, 2012
The absolute structure of the molecule in the crystal of the title compound, C17H14N2OS, was determined by the refinement of the Flack parameter to 0.0 (2) based on 1011 Friedel pairs.
Mostafa. M. Ghorab   +4 more
doaj   +1 more source

Botrylactone: new interest in an old moleculedreview of its absolute configuration and related compounds [PDF]

open access: yes, 2010
The absolute configuration of botrylactone, a unique compound with an interesting polyketide lactone skeleton with two oxirane bridges previously isolated from Botrytis cinerea and described as a powerful antibiotic, has been reviewed on the basis of ...
Durán Patrón, Rosa María   +4 more
core   +2 more sources

Absolute configuration of (1R,3S,8R,11R)-3,7,7,10-tetramethyltricyclo[6.4.0.01,3]dodec-9-en-11-ol

open access: yesActa Crystallographica Section E, 2013
The absolute configuration of the title compound, C16H26O, was determined as (1R,3S,8R,11R) based mainly on the synthetic pathway but is also implied by the X-ray analysis. The molecule contains fused six- and seven-membered rings.
Auhmani Abdelwahed   +4 more
doaj   +1 more source

Absolute Configuration of Mycosporine-Like Amino Acids, Their Wound Healing Properties and In Vitro Anti-Aging Effects

open access: yesMarine Drugs, 2019
Mycosporine-like amino acids (MAAs) are water-soluble metabolites, reported to exhibit strong UV-absorbing properties. They have been found in a wide range of marine organisms, especially those that are exposed to extreme levels of sunlight, to protect ...
M. Orfanoudaki   +9 more
semanticscholar   +1 more source

Asymmetric microbial conversion of (E)-2-benzylideneindan-1-one by the filamentous fungi Botrytis cinerea, Trichoderma viride, and Eutypa lata [PDF]

open access: yes, 2011
The transformation of (E)-2-benzylideneindan-1-one 1 by the filamentous fungi Botrytis cinerea, Trichoderma viride, and Eutypa lata as biocatalysts was studied.
Aleu Casatejada, Josefina   +2 more
core   +2 more sources

Absolute configuration of (2S)-4-(4-hydroxyphenyl)butan-2-ol

open access: yesActa Crystallographica Section E, 2011
The title compound, C10H14O2, was isolated from the chloroform extract of Taxus wallichiana Zucc. In the crystal, molecules are linked by intermolecular O—H...O hydrogen bonds, forming sheets parallel to (100).
S. Yousuf   +4 more
doaj   +1 more source

Absolute Configuration of Clemateol

open access: yesJournal of the Brazilian Chemical Society, 2017
Fil: Stivanin, Mateus L..
Pedroso, Marcelo   +9 more
openaire   +2 more sources

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