Search Results - "Tsipouras, Athanasios"

Nodulisporic Acid A, a Novel and Potent Insecticide from a Nodulisporium Sp. Isolation, Structure Determination, and Chemical Transformations by Ondeyka, John G, Helms, Gregory L, Hensens, Otto D, Goetz, Michael A, Zink, Deborah L, Tsipouras, Athanasios, Shoop, Wesley L, Slayton, Lyndia, Dombrowski, Anne W, Polishook, Jon D, Ostlind, Dan A, Tsou, Nancy N, Ball, Richard G, Singh, Sheo B

“…The potent insecticidal agent nodulisporic acid A (1a), representative of a new class of indole terpenes, was isolated from fermentations of a Nodulisporium…”
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Asymmetric synthesis of .beta.-lactams and the carbapenem antibiotic (+)-PS-5 by Hart, David J, Lee, Chih Shone, Pirkle, William H, Hyon, Myung Ho, Tsipouras, Athanasios

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Using similarity searches over databases of estimated 13C NMR spectra for structure identification of natural product compounds by Tsipouras, Athanasios, Ondeyka, John, Dufresne, Claude, Lee, Seok, Salituro, Gino, Tsou, Nancy, Goetz, Michael, Singh, Sheo Bux, Kearsley, Simon K.

“…Structure elucidation for natural product compounds is assisted by making similarity comparisons between the uncharacterized experimental 13C NMR spectrum with…”
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Enzymatic deglycosylation of enfumafungin, a triterpene glycoside natural product, and its chemically synthesized analogues by Shafiee, Ali, Tsipouras, Athanasios, Bouffard, Aileen, Onishi, Janet C, Guan, Ziqiang, Motamedi, Haideh

“…A panel of 27 commercial enzymes was screened for the deglycosylation of a triterpene glycoside (enfumafungin), an antifungal natural product with a novel…”
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Ophiobolin M and analogues, noncompetitive inhibitors of ivermectin binding with nematocidal activity by Tsipouras, Athanasios, Adefarati, Akinlolu A., Tkacz, Jan S., Frazier, Easter G., Rohrer, Susan P., Birzin, Elizabeth, Rosegay, Avery, Zink, Deborah L., Goetz, Michael A., Singh, Sheo B., Schaeffer, James M.

“…A series of ophiobolins were isolated from a fungal extract based on their nematocidal activity. These compounds are non-competitive inhibitors of ivermectin…”
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CHROMATOGRAPHIC SEPARATION OF ENANTIOMERS OF SOME PHYSIOLOGICALLY ACTIVE TYPES OF COMPOUNDS ON CHIRAL STATIONARY PHASES (BENZODIAZEPINONES, BETA-LACTAMS, BETA-AMINOACIDS) by TSIPOURAS, ATHANASIOS

“…The enantiomers of some important types of compounds have been separated by chromatography on chiral stationary phases. Thus benzodiazepinone enantiomers and…”
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SPORANDOL: A NOVEL ANTIPARASITIC BINAPHTHALENE FROM CHRYSOSPORIUM MERIDARIUM by Tsipouras, Athanasios, Goetz, Michael A., Hensens, Otto D., Liesch, Jerrold M., Ostlind, Dan A., Williamson, Joanne M., Dombrowski, Anne W., Ball, Richard G., Singh, Sheo B.

“…Sporandol (7,7′-diacetyl-1, 1′,8,8′-tetrahydroxy-3, 3′-dimethoxy-6, 6′-dimethyl-2, 2′-binaphthalene, 1) a novel endo and ecto parasiticide has been isolated…”
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Photoaffinity labeling of bacteriorhodopsin by Ding, Wei Dong, Tsipouras, Athanasios, Ok, Hyun, Yamamoto, Toshihiro, Gawinowicz, Mary Ann, Nakanishi, Koji

“…14C-Labeled optically pure 3S- and 3R-(diazoacetoxy)-all-trans-retinals were incorporated separately into bacterioopsin to reconstitute functional…”
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Liquid chromatographic separation of enantiomers of beta-amino acids using a chiral stationary phase by Griffith, O W, Campbell, E B, Pirkle, W H, Tsipouras, A, Hyun, M H

“…The enantiomers of both alpha-substituted beta-alanines and beta-substituted beta-alanines may be chromatographically separated using silica-bonded chiral…”
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