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Results: 1-19 |
Results: 19
Organic synthesis via transition metal complexes, part 106 - "Dimers" and "trimers" of tetrahydroindenes and hexahydroazulenes, respectively generated from [2-(1-cycloalkenyl)ethynyl]carbene complexes (M = W, Cr) by cascade cyclization/cycloaddition reactions
Authors: Wu, HP Aumann, R Frohlich, R Saarenketo, P
Citation: Hp. Wu et al., Organic synthesis via transition metal complexes, part 106 - "Dimers" and "trimers" of tetrahydroindenes and hexahydroazulenes, respectively generated from [2-(1-cycloalkenyl)ethynyl]carbene complexes (M = W, Cr) by cascade cyclization/cycloaddition reactions, CHEM-EUR J, 7(3), 2001, pp. 700-710
Organic synthesis via transition metal complexes, part 107 - Enaminone substituents attached to cyclopentadienes: 3E/3Z stereochemistry of 1-metalla-1,3,5-hexatriene intermediates (M = Cr, W) as a functional criterion for the formation of cyclopentadienes and six-membered heterocycles, respectively
Authors: Aumann, R Gottker-Schnetmann, I Frohlich, R Saarenketo, P Holst, C
Citation: R. Aumann et al., Organic synthesis via transition metal complexes, part 107 - Enaminone substituents attached to cyclopentadienes: 3E/3Z stereochemistry of 1-metalla-1,3,5-hexatriene intermediates (M = Cr, W) as a functional criterion for the formation of cyclopentadienes and six-membered heterocycles, respectively, CHEM-EUR J, 7(3), 2001, pp. 711-720
Highly selective formation of [4+2] and [4+3] cycloadducts of tetrahydroindenes generated in situ from a (1-alkynyl)carbene tungsten complex by the metalla-1,3,5-hexatriene route
Authors: Wu, HP Aumann, R Frohlich, R Wibbeling, B Kataeva, O
Citation: Hp. Wu et al., Highly selective formation of [4+2] and [4+3] cycloadducts of tetrahydroindenes generated in situ from a (1-alkynyl)carbene tungsten complex by the metalla-1,3,5-hexatriene route, CHEM-EUR J, 7(23), 2001, pp. 5084-5093
Organic syntheses via transition metal complexes. 109. Transfer of carbeneligands from group VI metals to rhodium as the key step of a rhodium-catalyzed reactivity enhancement of Fischer carbene complexes
Authors: Gottker-Schnetmann, I Aumann, R
Citation: I. Gottker-schnetmann et R. Aumann, Organic syntheses via transition metal complexes. 109. Transfer of carbeneligands from group VI metals to rhodium as the key step of a rhodium-catalyzed reactivity enhancement of Fischer carbene complexes, ORGANOMETAL, 20(2), 2001, pp. 346-354
Organic synthesis via transition metal complexes. 112. Reactivity enhancement of group VI Fischer carbene complexes by copper and rhodium catalysts: Experimental proof of a carbene rhodium complex as an intermediate
Authors: Gottker-Schnetmann, I Aumann, R Bergander, K
Citation: I. Gottker-schnetmann et al., Organic synthesis via transition metal complexes. 112. Reactivity enhancement of group VI Fischer carbene complexes by copper and rhodium catalysts: Experimental proof of a carbene rhodium complex as an intermediate, ORGANOMETAL, 20(16), 2001, pp. 3574-3581
Spiro-fused cyclopentadienes and novel pyridinium carbonyltungstates from (1-alkynyl)carbene tungsten complexes and exo-methylene N-heterocycles. Competition between 1,4-addition, 1,2-addition, and metathesis
Authors: Gottker-Schnetmann, I Aumann, R Kataeva, O Holst, C Frohlich, R
Citation: I. Gottker-schnetmann et al., Spiro-fused cyclopentadienes and novel pyridinium carbonyltungstates from (1-alkynyl)carbene tungsten complexes and exo-methylene N-heterocycles. Competition between 1,4-addition, 1,2-addition, and metathesis, ORGANOMETAL, 20(13), 2001, pp. 2889-2904
Organic syntheses-via transition-metal complexes. 110. A convenient regio-and stereoselective approach to the angular allylation of bicyclic cyclopentadienes generated by the (1-alkynyl)carbene complex route
Authors: Wu, HP Aumann, R Frohlich, R Wegelius, E
Citation: Hp. Wu et al., Organic syntheses-via transition-metal complexes. 110. A convenient regio-and stereoselective approach to the angular allylation of bicyclic cyclopentadienes generated by the (1-alkynyl)carbene complex route, ORGANOMETAL, 20(11), 2001, pp. 2183-2190
Rearrangement of carbiminium carbonylmetalates by mutual exchange of alkoxy- and amino functionalities (M = W, Cr) - Crystal structure analyses
Authors: Aumann, R Roths, K Frohlich, R
Citation: R. Aumann et al., Rearrangement of carbiminium carbonylmetalates by mutual exchange of alkoxy- and amino functionalities (M = W, Cr) - Crystal structure analyses, J ORGMET CH, 617(1), 2001, pp. 322-328
Organic syntheses via transition metal complexes, CII - 1,3-dioxycyclopentadienes from (1-alkynyl)carbene tungsten complexes - Domino cyclization/cycloaddition reactions
Authors: Wu, HP Aumann, R Frohlich, R Wibbeling, B
Citation: Hp. Wu et al., Organic syntheses via transition metal complexes, CII - 1,3-dioxycyclopentadienes from (1-alkynyl)carbene tungsten complexes - Domino cyclization/cycloaddition reactions, EUR J ORG C, (7), 2000, pp. 1183-1192
Organic syntheses via transition metal complexes, CV - Regiocontrol of annelation of cyclopentene-1-thiones and cyclopenten-1-ones to alkenes with the aid of (1-alkynyl)carbene complexes (M = Cr, W)
Authors: Wu, HP Aumann, R Venne-Dunker, S Saarenketo, P
Citation: Hp. Wu et al., Organic syntheses via transition metal complexes, CV - Regiocontrol of annelation of cyclopentene-1-thiones and cyclopenten-1-ones to alkenes with the aid of (1-alkynyl)carbene complexes (M = Cr, W), EUR J ORG C, (20), 2000, pp. 3463-3473
1-metalla-1,3,5-hexatrienes and related compounds
Authors: Aumann, R
Citation: R. Aumann, 1-metalla-1,3,5-hexatrienes and related compounds, EUR J ORG C, (1), 2000, pp. 17-31
Organic syntheses via transition metal complexes, CI - Uncovering reactionpathways of 1-aminocyclohexenes with [(1-alkynyl)carbene]tungsten complexes leading to cyclopentadienes and dihydropyrroles
Authors: Aumann, R Kossmeier, M Muck-Lichtenfeld, C Zippel, F
Citation: R. Aumann et al., Organic syntheses via transition metal complexes, CI - Uncovering reactionpathways of 1-aminocyclohexenes with [(1-alkynyl)carbene]tungsten complexes leading to cyclopentadienes and dihydropyrroles, EUR J ORG C, (1), 2000, pp. 37-49
Species survival and evolutionary stability in sustainable habitats - The concept of ecological stability
Authors: Aumann, R Guth, W
Citation: R. Aumann et W. Guth, Species survival and evolutionary stability in sustainable habitats - The concept of ecological stability, J EVOL ECON, 10(4), 2000, pp. 437-447
Organic syntheses via transition metal complexes. 104. Cyclopentadienyl thiolacylates from (1-alkynyl)carbene complexes (M = Cr, W): Sulfur-centered fragmentation of ligand side chains. (vol 19, pg 2373, 2000)
Authors: Wu, HP Aumann, R Frohlich, R Wegelius, E Saarenketo, P
Citation: Hp. Wu et al., Organic syntheses via transition metal complexes. 104. Cyclopentadienyl thiolacylates from (1-alkynyl)carbene complexes (M = Cr, W): Sulfur-centered fragmentation of ligand side chains. (vol 19, pg 2373, 2000), ORGANOMETAL, 19(19), 2000, pp. 4004-4004
Organic syntheses via transition metal complexes. 104. Cyclopentadienyl thiolacylates from (1-alkynyl)carbene complexes (M = Cr, W): Sulfur-centered fragmentation of ligand side chains
Authors: Wu, HP Aumann, R Frohlich, R Wegelius, E Saavenketo, P
Citation: Hp. Wu et al., Organic syntheses via transition metal complexes. 104. Cyclopentadienyl thiolacylates from (1-alkynyl)carbene complexes (M = Cr, W): Sulfur-centered fragmentation of ligand side chains, ORGANOMETAL, 19(12), 2000, pp. 2373-2381
Organic syntheses via transition metal complexes. Part 103: Pyrylium carbonylmetalates and related compounds derived from (1-alkynyl)carbene complexes (M=Cr, W)
Authors: Aumann, R Kossmeier, M Roths, K Frohlich, R
Citation: R. Aumann et al., Organic syntheses via transition metal complexes. Part 103: Pyrylium carbonylmetalates and related compounds derived from (1-alkynyl)carbene complexes (M=Cr, W), TETRAHEDRON, 56(28), 2000, pp. 4935-4949
Organic syntheses via transition metal complexes, C - Vinyl- and divinylcyclopentadienes by rhodium-catalyzed condensation of alkynes with cross-conjugated amino metallahexatrienes [= (1-amino-1,3-butadien-2-yl)carbene complexes] (M = Cr, W) (Oct, pg 2545, 1999)
Authors: Aumann, R Gottker-Schnetmann, I Frohlich, R Meyer, O
Citation: R. Aumann et al., Organic syntheses via transition metal complexes, C - Vinyl- and divinylcyclopentadienes by rhodium-catalyzed condensation of alkynes with cross-conjugated amino metallahexatrienes [= (1-amino-1,3-butadien-2-yl)carbene complexes] (M = Cr, W) (Oct, pg 2545, 1999), EUR J ORG C, (11), 1999, pp. 3209-3209
Organic syntheses via transition metal complexes, C - Vinyl- and divinylcyclopentadienes by rhodium-catalyzed condensation of alkynes with cross-conjugated amino metallahexatrienes [= (1-amino-1,3-butadien-2-yl)carbene complexes] (M = Cr, W)
Authors: Aumann, R Gottker-Schnetmann, I Frohlich, R Meyer, O
Citation: R. Aumann et al., Organic syntheses via transition metal complexes, C - Vinyl- and divinylcyclopentadienes by rhodium-catalyzed condensation of alkynes with cross-conjugated amino metallahexatrienes [= (1-amino-1,3-butadien-2-yl)carbene complexes] (M = Cr, W), EUR J ORG C, (10), 1999, pp. 2545-2561
Organic syntheses via transition-metal complexes. 99. Cyclopentadiene annelation to enolizable cyclic ketones via (1-alkynyl)carbene complexes (M = Cr, W)
Authors: Aumann, R Frohlich, R Prigge, J Meyer, O
Citation: R. Aumann et al., Organic syntheses via transition-metal complexes. 99. Cyclopentadiene annelation to enolizable cyclic ketones via (1-alkynyl)carbene complexes (M = Cr, W), ORGANOMETAL, 18(8), 1999, pp. 1369-1380
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