Search Results - "STEGLICH, W"

First total synthesis of the marine alkaloids purpurone and ningalin C by Peschko, Christian, Steglich, Wolfgang

“…Purpurone is obtained from 3-(3,4-dimethoxyphenyl)pyruvic acid, 2-(4-methoxyphenyl)ethylamine and 2′,2′,2′-trichloroethyl…”
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Slime moulds (Myxomycetes) as a source of new biologically active metabolites by Steglich, W.

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Biosynthesis of the 2H-Azepine Alkaloid Chalciporone by Spiteller, Peter, Hamprecht, Dieter, Steglich, Wolfgang

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Crystal structure of dichlorotriethylphosphine{12-(3,4-dimethoxyphenyl)- 4,5-dimethoxy-11,14-diaza-tricyclo[7.4.1.02,7]tetradeca-2(7),3,5-trien-10-one}- palladium(II) methanol solvate, PdCl2[P(C2H5)3](C22H26N2O5) · CH3OH by Miller B., Rüth M., Polborn Κ., Steglich W., Beck W.

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The DMAP-Catalyzed Acetylation of Alcohols-A Mechanistic Study (DMAP=4-(Dimethylamino)pyridine) by Xu, Shangjie, Held, Ingmar, Kempf, Bernhard, Mayr, Herbert, Steglich, Wolfgang, Zipse, Hendrik

“…The acetylation of tert‐butanol with acetic anhydride catalyzed by 4‐(dimethylamino)pyridine (DMAP) has been studied at the Becke3 LYP/6‐311+G(d,p)//Becke3…”
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Melanocrocin, a Polyene Pigment from Melanogaster broomeianus (Basidiomycetes) by Aulinger, Katharina, Besl, Helmut, Spiteller, Peter, Spiteller, Michael, Steglich, Wolfgang

“…A new polyene pigment, melanocrocin, has been isolated either from fruit bodies or myce­lial cultures of the subterranean fungus Melanogaster broomeianus. The…”
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Application of α-chloroglycine residues for the modification of oligopeptides by Steglich, W., Jager, Martin, Jaroch, Stefan, Zistler, Peter

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Sesquiterpenoids from the roots of Homalomena aromatica by Sung, T V, Steffan, B, Steglich, W, Klebe, G, Adam, G

“…From roots of Homalomena aromatica three new sesquiterpene alcohols, 1 beta, 4 beta, 7 alpha-trihydroxyeudesmane, homalomenol A, and homalomenol B were…”
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Alkaloids from marine organisms, Part 5. Biomimetic total synthesis of lamellarin L by coupling of two different arylpyruvic acid units by Peschko, C, Winklhofer, C, Steglich, W

“…Reaction of the ethyl 3-arylpyruvate 5a with the methyl 2-bromo-3-arylpyruvate 6b in the presence of the 2-arylethylamine 4 afforded the pyrrole derivative 10,…”
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Oudemansin, strobilurin A, strobilurin B and myxothiazol: new inhibitors of the bc1 segment of the respiratory chain with an E-β-methoxyacrylate system as common structural element by Becker, W.F., Von Jagow, G., Anke, T., Steglich, W.

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Strobilurins: Evolution of a New Class of Active Substances by Sauter, Hubert, Steglich, Wolfgang, Anke, Timm

“…A fungus that grows on pinecones yields a compound with antifungal activity that has become the natural model for a significant innovation in crop protection…”
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Triterpene glycosides from Schefflera octophylla by Sung, T V, Steglich, W, Adam, G

“…In addition to 3-epi-betulinic acid, three triterpene glycosides were isolated from leaves of Schefflera octophylla. The structures of the glycosides have been…”
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Biologically active compounds from higher fungi by Steglich, W.

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Tyromycin A: a novel inhibitor of leucine and cysteine aminopeptidases from Tyromyces lacteus by Weber, W, Semar, M, Anke, T, Bross, M, Steglich, W

“…Tyromycin A, a new inhibitor of leucine and cysteine aminopeptidases has been isolated from mycelial cultures of the basidiomycete Tyromyces lacteus (Fr.)…”
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Triterpenoids and their glycosides from the bark of Schefflera octophylla by Sung, T V, Lavaud, C, Porzel, A, Steglich, W, Adam, G

“…A new triterpene and its glycosides were isolated from the bark of Schefflera octophylla together with asiatic acid and asiaticoside. Based on spectroscopic…”
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Asperfuran, a novel antifungal metabolite from Aspergillus oryzae by Pfefferle, W, Anke, H, Bross, M, Steffan, B, Vianden, R, Steglich, W

“…Asperfuran is a novel antifungal dihydrobenzofuran derivative produced by a strain of Aspergillus oryzae. Asperfuran weakly inhibited chitin synthase from…”
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Strobilurin D and strobilurin F: two new cytostatic and antifungal (E)-beta-methoxyacrylate antibiotics from Cyphellopsis anomala (1) by Weber, W, Anke, T, Bross, M, Steglich, W

“…Strobilurin D and strobilurin F, two new cytostatic and antifungal antibiotics of the (E)-beta-methoxyacrylate class, have been isolated from mycelial cultures…”
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Enhancing the Catalytic Activity of 4-(Dialkylamino)pyridines by Conformational Fixation by Heinrich, Markus R., Klisa, Heike Sabine, Mayr, Herbert, Steglich, Wolfgang, Zipse, Hendrik

“…Six times more active than DMAP (1), the tricyclic DMAP analogue 2 catalyzes the acetylation of a tertiary alcohol with acetic anhydride. The experimental…”
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The strobilurins--new antifungal antibiotics from the basidiomycete Strobilurus tenacellus by Anke, T, Oberwinkler, F, Steglich, W, Schramm, G

“…The strobilurins are two antifungal antibiotics which were isolated from the mycelium of Strobilurus tenacellus strain No. 21602. The strobilurins A and B are…”
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Revision of the Structures Assigned to the Fungal Metabolites Boletunones A and B by Steglich, Wolfgang, Hellwig, Veronika

“…The structures recently assigned to the mushroom metabolites boletunones A (1) and B (2) are revised to those of 15-methoxycyclocalopin A (5) and…”
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