Zobrazeno 1 - 10 of 10 pro vyhledávání: '"Uwe Dahlmann"'
1
Oligoether-Substituted Derivatives of Carbon-Rich 1,4,7,10,13,16-Hexaethynyltribenzo[a,e,i]cyclododeca-5,11,17-triyne (C36H12) and 1,4,9,12-Tetrakis(ethynyl)dibenzo[a,g]cyclododeca-5,7,13,15-tetrayne (C28H8): Potential Precursors to the Circular [6]Phenylene (‘Antikekulene’) Frame
Autor: K. Peter C. Vollhardt, Uwe Dahlmann
Publikováno v: Synthesis. 52:1287-1300
The title compounds, in which the terminal alkyne functions are adorned with -CH2OCH2CH2OCH2CH2OCH2CH3 or -p-C6H4OCH2CH2 OCH2CH2OCH3 substituents, were synthesized. The strategies for their preparation relied on prior art and involved the use of Sono
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c1c31bfc6054f6bdb25329c1b6210193
https://doi.org/10.1055/s-0039-1690050
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2
Elektronická kniha
Vor den Toren zum Paradies : Das Leben unserer Kindeskinder
Autor: Gerd-Uwe Dahlmann
Wir schreiben das Jahr 2070. Die Welt ist globalisiert. Zwei Menschen, zwei komplett unterschiedliche Lebensentwürfe: Auf der einen Seite Jenny, eine junge, intelligente und durchsetzungsfähige Frau, die mit ihrem Töchterchen in einer geborgenen i
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3
Palladium-Catalyzed Synthesis of Alkynylated 1,4:5,8:11,14:15,18-Tetrasulfido[20]annulenes
Autor: Claus Krieger, Richard Neidlein, Uwe Dahlmann
Publikováno v: European Journal of Organic Chemistry. 1998:525-529
The syntheses of tetraalkynylated tetrasulfido[20]annulenes 2a−d are described. Treatment of the corresponding brominated tetrasulfido[20]annulene 5a (easily available by McMurry coupling of the brominated 2,2′-bithiophene-5,5′-dicarbaldehydes,
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4a046a15daff8bed327cd60dace56fd6
https://doi.org/10.1002/(sici)1099-0690(199803)1998:3<525::aid-ejoc525>3.0.co
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5
The Diyne Reaction of 3, 3?-Bis(phenylethynyl)-2, 2?-bithiophene Derivativesvia Rhodium Complexes: A novel approach to condensed benzo[2, 1-b :3, 4-b?]dithiophenes
Autor: Uwe Dahlmann, Richard Neidlein
Publikováno v: Helvetica Chimica Acta. 80:111-120
The syntheses of benzo-fused benzo[2, 1-b:3, 4-b′]dithiophenes 1 and benzo[2, 1-b:3, 4-b′:5, 6-c″]trithiophenes 2 are described. The treatment of easily available 3, 3′-bis(phenylethynyl)-2, 2′-bithiophene derivatives 5a and 6 (via PdII-cat
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::adbde4945cef6bb101d8a6fd02ba2edd
https://doi.org/10.1002/hlca.19970800111
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6
Palladium-Catalyzed Syntheses of Polyethynyl-Substituted 2,2?-Bithiophenes
Autor: Uwe Dahlmann, Richard Neidlein
Publikováno v: Helvetica Chimica Acta. 79:755-766
The syntheses of polyethynyl-substituted 2,2′-bithiophenes 2 and related 5,5′-dicarbaldehyde derivatives 1 are described. The treatment of easily available polybrominated 2,2′-bithiophenes 3 and 2,2′-bithiophene-5,5′-dicarbaldehydes 4 with
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::da9986924d3d3cf2869189906cd8d79c
https://doi.org/10.1002/hlca.19960790318
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7
ChemInform Abstract: Palladium-Catalyzed Syntheses of Polyethynyl-Substituted 2,2′- Bithiophenes
Autor: Richard Neidlein, Uwe Dahlmann
Publikováno v: ChemInform. 27
The syntheses of polyethynyl-substituted 2,2′-bithiophenes 2 and related 5,5′-dicarbaldehyde derivatives 1 are described. The treatment of easily available polybrominated 2,2′-bithiophenes 3 and 2,2′-bithiophene-5,5′-dicarbaldehydes 4 with
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::57950a9c824496c2818216db80e1cf53
https://doi.org/10.1002/chin.199632152
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8
ChemInform Abstract: The Diyne Reaction of 3,3′-Bis(phenylethynyl)-2,2′-bithiophene Derivatives via Rhodium Complexes: A Novel Approach to Condensed Benzo( 2,1-b:3,4-b′)dithiophenes
Autor: Uwe Dahlmann, Richard Neidlein
Publikováno v: ChemInform. 28
The syntheses of benzo-fused benzo[2, 1-b:3, 4-b′]dithiophenes 1 and benzo[2, 1-b:3, 4-b′:5, 6-c″]trithiophenes 2 are described. The treatment of easily available 3, 3′-bis(phenylethynyl)-2, 2′-bithiophene derivatives 5a and 6 (via PdII-cat
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::55d66f821a179ccb61beefd566d29480
https://doi.org/10.1002/chin.199718142
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10
ChemInform Abstract: Palladium-Catalyzed Synthesis of Alkynylated 1,4:5,8:11,14:15,18-Tetrasulfido[20]annulenes
Autor: Claus Krieger, Uwe Dahlmann, Richard Neidlein
Publikováno v: ChemInform. 29
The syntheses of tetraalkynylated tetrasulfido[20]annulenes 2a−d are described. Treatment of the corresponding brominated tetrasulfido[20]annulene 5a (easily available by McMurry coupling of the brominated 2,2′-bithiophene-5,5′-dicarbaldehydes,
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2600d965f0fce24dc9b42939b6f3f3ac
https://doi.org/10.1002/chin.199826204
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