Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Jutta Böhmer"'
Autor:
Martin Melchers, Sabine Hohmann, Oliver Gutbrod, Christian Arnold, Hans-Peter Thiesen, Isabelle Adelt, Udo Reckmann, Jutta Böhmer, Roman Hanke, Horst Antonicek, Patricia Behrmann, Olga Malsam, Peter Lösel, Elisabeth Peschel, Valentina Neufert, Marc van Houtdreve, Thomas Schenke, Nicole Blaha, Jens Frackenpohl, Hans-Christoph Weiss, Kathrin Vogelsang, Robert Velten
Publikováno v:
Bioorganic & Medicinal Chemistry. 17:4160-4184
Starting from natural product podophyllotoxin 1 substituted heterolignans were identified with promising insecticidal in vivo activity. The impact of substitution in each segment of the core structure was investigated in a detailed SAR study, and var
Autor:
Jutta Böhmer, Ronald Grigg
Publikováno v:
Tetrahedron. 55:13463-13470
The 1,1-dimethylbutyne-1,4-diol derivative 1 reacts with 2 mol. equiv. of organoboron (NaBPh 4 arylboronic acids) and organotin(IV) reagents to give 1,1-dimethyl-2,3-disubstituted butadienes in good yield via allenylpalladium(II) and vinylidene-π-al
Publikováno v:
Synthesis. 1997:661-667
Publikováno v:
Chemische Berichte. 129:427-433
The cationic ferracyclic carbene complexes 1 react with carbon nucleophiles like lithium enolates and organocuprates to give the corresponding 4-substituted 1, (3E)-diene tricarbonyl-iron complexes 6 and 9. The reaction is thought to proceed by initi
Publikováno v:
Chemical communications (Cambridge, England). (7)
A one-pot, site isolated base (PS-BEMP) and acid (Si-TsOH) catalyzed cyclization cascade to azaspirocyclic molecules is reported; the reaction is simple to perform, atom efficient (water is the only byproduct) and broad in its scope to a diverse rang
Publikováno v:
Chemical Communications. :768-769
The diastereoselective synthesis of azabicyclo[3.1.0]hexanes bearing different substituents on all positions of the cyclopropane ring has been achieved in moderate to good yields.
Publikováno v:
Journal of Chemical Research. :578-579
Racemates of (η3-allyl)tricarbonyliron lactone complex Fe(CO)3{η1:η3-C(O)XCH2CHCMeCH2} 1a (X=O) and (η3-allyl)tricarbonyliron lactam complex 2a (X=NMe) are resolved on a preparative scale by HPLC on cellulose tris(3,5-dimethylphenyl)carbamate/sil
Autor:
Rainer Schobert, Jutta Böhmer
Publikováno v:
Journal of Chemical Research. :372-373
β-Oxo-dienetricarbonyliron complexes 4 and γ-oxo-alkenecarbene complexes 5 undergo olefinations with a wide range of phosphonates and phosphoranes with high E- or Z-selectivity and give the free oligo-en(yn)es or carbamates, respectively, upon oxid
Publikováno v:
Synlett. 1997:1073-1074