Results 111 to 120 of about 18,265 (273)

Crystal structure of (−)-(5R,7R,8S,9R,10S)-8-methyl-7-[(5R)-3-methyl-2-oxooxolan-3-en-5-yl]-1-aza-6-oxatricyclo[8.3.0.05,9]tridecan-13-one monohydrate

Acta Crystallographica Section E: Crystallographic Communications, 2018
The title compound, C17H23NO4·H2O, is an epimer of the natural tetracyclic alkaloid isosaxorumamide which consists of a fused 5–7–5 tricyclic core and a dihydrofuranone substituent.
Takeshi Oishi, Makoto Yoritate, Takaaki Sato, Noritaka Chida   +3 more
doaj   +1 more source

8-epi-Salvinorin B: crystal structure and affinity at the κ opioid receptor

Beilstein Journal of Organic Chemistry, 2007
There have been many reports of epimerization of salvinorins at C-8 under basic conditions, but little evidence has been presented to establish the structure of these compounds.
Thomas A. Munro, Katharine K. Duncan, Richard J. Staples, Wei Xu, Lee-Yuan Liu-Chen, Cécile Béguin, William A. Carlezon Jr., Bruce M. Cohen   +7 more
doaj   +1 more source

Assignment Through Chiroptical Methods of The Absolute Configuration of Fungal Dihydropyranpyran-4-5-Diones Phytotoxins, Potential Herbicides for Buffelgrass (Cenchrus ciliaris) Biocontrol

Molecules, 2019
Radicinin and cochliotoxin (1 and 2) two phytotoxic pyranpyran-4,5-diones were isolated together with their close metabolites 3-epi-radicinin, radicinol, and its 3-epimer (3−5), from the culture filtrates of Cochliobolus australiensis, a fungus ...
Ernesto Santoro, Giuseppe Mazzeo, Giulia Marsico, Marco Masi, Giovanna Longhi, Stefano Superchi, Antonio Evidente, Sergio Abbate   +7 more
doaj   +1 more source

The discovery of potent, selective, and reversible inhibitors of the house dust mite peptidase allergen Der p 1: an innovative approach to the treatment of allergic asthma. [PDF]

, 2014
Blocking the bioactivity of allergens is conceptually attractive as a small-molecule therapy for allergic diseases but has not been attempted previously.
Anandan C., Arbes S. J., Asokananthan N., Billson J., Boyd M. J., Brown A., Brown A. D., Chan W. C., Chen J. C., Clive Robinson, Comoy E. E., David R. Garrod, Fattouh R., Gary K. Newton, Gelber L. E., Gough L., Jahnsen F. L., Jie Chen, Jihui Zhang, Jonathan P. Richardson, Kerry Jenkins, King C., Liu H., Marcaccini S., Mark R. Stewart, Meriel R. Major, Milan D. S., Moffatt M. F., Möller G. M., Nicola J. Francis-Newton, Peat J. K., Peat J. K., Pei Lai, Pichavant M., Platts-Mills T. A., Platts-Mills T. A., Platts-Mills T. A. E., Platts-Mills T. A. E., Prefontaine D., Purello-D’Ambrosia F., Rebekah E. Key, Robinson C., Silvestri M., Smith J. M., Sporik R., Squillace S. P., Steven M. Lloyd, Stewart G. A., Stuart Firth-Clark, Takai T., Trevor R. Perrior, Wan H., Ying S., Zhang J., Zhang J., Zhang J., Zhang J.   +56 more
core   +2 more sources

Recent advances in the total synthesis of agelastatins [PDF]

, 2010
Agelastatins represent an important family of marine alkaloids in terms of both exceptional biological activity and intriguing chemical structure.
Dong, Guangbin
core   +1 more source

Effect of Monosaccharides Including Rare Sugars on the Bilayer Phase Behavior of Dimyristoylphosphatidylcholine

Membranes
We observed bilayer phase transitions of dimyristoylphosphatidylcholine (DMPC) in aqueous solutions of four kinds of monosaccharides, namely, D-glucose, D-fructose, D-allose and D-psicose, using differential scanning calorimetry (DSC).
Nobutake Tamai, Mei Kamiya, Nono Kiriyama, Masaki Goto, Kazuhiro Fukada, Hitoshi Matsuki   +5 more
doaj   +1 more source

Toxic, but beneficial compounds from endophytic fungi of Carica papaya

The EuroBiotech Journal, 2019
Fungi remain a promising source of novel biologically active compounds with potentials in drug discovery and development. This study was aimed at investigating the secondary metabolites from endophytic Fusarium equiseti and Epicoccum sorghinum associated
Eze Peter M., Abonyi Dominic O., Abba Chika C., Proksch Peter, Okoye Festus B. C., Esimone Charles O.   +5 more
doaj   +1 more source

3-Epiabruslactone A, a New Triterpene Lactone Isolated from Austroplenckia populnea

Journal of the Brazilian Chemical Society, 1998
A new lactonic triterpene isolated from the heartwood of Austroplenckia populnea (Celastraceae) was characterized as 3alpha-hydroxyolean-12-en-29,22alpha-olide (the gamma-lactone of the 3alpha,22alpha-dihydroxyolean-12-en-29alpha-oic acid), the 3-epimer ...
Silva Grácia Divina de Fátima, Duarte Lucienir Pains, Paes Helena Clara da Silva, Sousa José Rêgo de, Nonato Maria Cristina, Portezani Paulo José, Mascarenhas Yvonne Primerano   +6 more
doaj  

Hidrogénezési reakciók rögzített komplexekkel = Hydrogenation on anchored complexes [PDF]

, 2009
A szteroidketonokat fémhidridekkel szokás redukálni, és ennek során a béta-epimer képződik főtermékként, és az alfa-epimer csak bonyolultabb eljárásokkal állítható elő.
Joó, Ferenc, Notheisz, Ferenc, Zsigmond, Ágnes   +2 more
core  

Characterization of Two Epimers, 4  and 4 , of a Novel Podophyllotoxin--4-O-(D)-6-Acetylglucopyranoside from Podophyllum hexandrum by LC--ESI-MS--MS [PDF]

, 2006
S. C. Puri, G. Handa, Bilal A. Bhat, K.L. Dhar, Michael Spiteller, G. N. Qazi   +5 more
openalex   +1 more source