Zobrazeno 1 - 10
of 25
pro vyhledávání: '"Jorma Koskimies"'
Publikováno v:
Journal of Labelled Compounds and Radiopharmaceuticals. 51:407-412
Deuteration of several lignanolactones, using 2H3PO4·BF3/2H2O as the deuteration reagent, is described, affording new stable isotopically pure polydeuterated lignans. All aromatic hydrogens are exchanged, including the less active ones. The order of
Publikováno v:
Journal of the Chemical Society, Perkin Transactions 2. :1477-1481
Allylic oxidation of 13- to 15-membered simple α,β-unsaturated (ω − 1)-macrolides was observed to be highly diastereoselective. Also reduction and Grignard addition reactions of α,β-unsaturated γ-ketomacrolides proceeded with high diastereose
Publikováno v:
Tetrahedron. 55:3445-3454
Deuteration methods are described for the synthesis of new stable deuterium labeled isoflavonoids, [8,3′,5′-D 3 ]-daidzein 4a , [8,3′,5′-D 3 ]-formononetin 4b , [2′,3′,5′,6′-D 4 ]-biochanin A 4c , [6,8,3′,5′-D 4 ]dihydrodaidzein 5
Publikováno v:
Synthetic Communications. 29:399-407
A novel route to dodec-3-en-ll-olide 3, a macrolide pheromone of cucujid grain beetles is reported. Compound 3 provides an access to the antimicrobial (±)-patulolides and (±)-epipatulolide C. Conformational restrictions hamper the rearrangement of
Publikováno v:
Inorganica Chimica Acta. 268:21-30
The crystal structures of the series of compounds containing the di(Z-aminobenzoato-O)di(1,3-diaminopropane-N,N′)copper(II) (Z = 2, 3 or 4) coordination units were determined by single-crystal X-ray methods. In the ortho- and meta-aminobenzoate ana
Autor:
Jorma Koskimies, and Tero K. Leino, Markku Mesilaakso, Kristiina Wähälä, Herman Adlercreutz, Auli Salakka
Publikováno v:
The Journal of Organic Chemistry. 62:7690-7693
cis-4‘,7-Dihydroxyisoflavan-4-ol (4) and trans-4‘,7-dihydroxyisoflavan-4-ol (5), two proposed metabolites of daidzein (4‘,7-dihydroxyisoflavone), have been synthesized and fully characterized for the first time. The vicinal coupling constants o
Publikováno v:
Synthesis. 1996:1122-1126
Autor:
Jorma Koskimies, Mariitta Kokko
Publikováno v:
Spectroscopy Letters. 28:347-358
The H, 13C, and two-dimensional both homonuclear (H, H-Cosy) and heteronuclear (H, C-Cosy) correlated NMR spectra of endo- and exo-isomers of 5-norbornene-2,3- dicarboximide and N-phenyl-5-norbornene-2,3- dicarboximide have been examined. Two-dimensi
Autor:
George W. Francis, György M. Keserü, Jorma Koskimies, Markku R. Sundberg, A. J. Kondow, Kirpal S. Bisht, Virinder S. Parmar, Rolf Uggla, G. Liptay
Publikováno v:
Acta Chemica Scandinavica. 48:417-422
Publikováno v:
Acta Crystallographica Section E Structure Reports Online. 57:o261-o263
The title compound, C10H16O4S2, was formed in a reaction of allyl alcohol and thioglycolic acid followed by acid-catalyzed esterification of the resulting hydroxy acid. The compound forms triclinic crystals and there is an inversion center in the m