Rhodium bis-carbene and well-defined iron complexes for hydrosilylation: molecular approaches towards stable and benign homogeneous catalysts
Gespeichert in:
| 1. Verfasser: | |
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| Format: | Abschlussarbeit Buch |
| Sprache: | English |
| Veröffentlicht: |
München
Dr. Hut
2012
|
| Ausgabe: | 1. Aufl. |
| Schriftenreihe: | Anorganische Chemie
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| Schlagworte: | |
| Online-Zugang: | Inhaltstext Inhaltsverzeichnis |
| Beschreibung: | XIII, 143 S. graph. Darst. 210 mm x 148 mm, 258 g |
| ISBN: | 9783843905169 3843905169 |
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| 245 | 1 | 0 | |a Rhodium bis-carbene and well-defined iron complexes for hydrosilylation |b molecular approaches towards stable and benign homogeneous catalysts |c Manuel P. Högerl |
| 250 | |a 1. Aufl. | ||
| 264 | 1 | |a München |b Dr. Hut |c 2012 | |
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Datensatz im Suchindex
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IMAGE 1
CONTENTS
1 BIS-JV-HETEROCYCLIC CARBENES 1
1.1 INTRODUCTION: AT-HETEROCYCLIC CARBENES 3
1.1.1 CHIRALITY IN JV-HETEROCYCLIC CARBENES 4
1.1.2 CHIRAL BIS-N-HETEROCYCLIC CARBENES 5
1.1.3 HYDROSILYLATION WITH RHODIUM NHC COMPLEXES 6
1.1.4 MECHANISM FOR THE HYDROSILYLATION OF KETONES WITH RHODIUM 10 1.2
PROJECT IDEA AND CONCEPT 12
1.3 SYNTHESIS OF CHELATING BIS-CARBENE RH(I) COMPLEXES 14
1.3.1 SYNTHESIS OF BIS-BENZIMIDAZOLIUM SALTS 15
1.3.2 SYNTHESIS OF BIS-NHCRH (I) COMPLEXES 17
1.3.3 CHARACTERISATION OFBIS-NHCRH(I) COMPLEXES 18
1.3.4 ACCESSMENT OF TR-DONOR PROPERTIES 22
1.4 CATALYTIC APPLICATION IN HYDROSILYLATION REACTION OF KETONES 23
1.4.1 BENZIMIDAZOLE-BASED NHCS 24
1.4.2 COMPARISION WITH TRIAZOLE AND IMIDAZOLE BASED NHCS 27
1.5 ANION EFFECTS 31
1.5.1 TRIAZOLE RHODIUM(I) COMPLEXES WITH WEAKLY COORDINATING ANIONS 32
1.5.2 NOESY 33
1.5.3 PULSE GRADIENT SPIN ECHO NMR SPECTROSCOPY 34
1.5.4 CONCLUSION 38
1.6 SYNTHESIS OF CHIRAL BIS-JV-HETEROCYCLIC CARBENES 39
1.7 CONCLUSION 41
1.8 EXPERIMENTAL 43
1.8.1 GENERAL COMMENTS 43
1.8.2 SYNTHESIS OF BIS-BENZIMIDAZOLIUM SALTS 43
1.8.3 SYNTHESIS OF BIS-NHCRH(I) COMPLEXES 51
1.8.4 CRYSTALLOGRAPHIC DATA AND STRUCTURES 54
REFERENCES 57
2 MICROWAVE ASSISTED IV-ARYLATION OF BENZIMLDAZOLE 65
2.1 INTRODUCTION: CU-CATALYZED C-N CROSS-COUPLING 67
2.2 RESULTS AND DISUSSION 68
2.2.1 OPTIMIZATION OF REACTION CONDITIONS 68
2.2.2 ARYL-SUBSTRATES-IV-ARYLATIONOFBENZIMIDAZOL 73
2.2.3 JV-ALKYLATIONOFBENZIMIDAZOL 76
2.3 CONCLUSION 77
2.4 EXPERIMENTAL 78
REFERENCES 79
HTTP://D-NB.INFO/1025017293
IMAGE 2
CONTENTS
3 WELL-DEFINED IRON COMPLEXES FOR HYDROSILYLATION. 81
3.1 INTRODUCTION: WITH IRON INTO THE GREEN FUTURE? 83
3.2 HYDROSILYLATION WITH IRON CATALYSTS - A SHORT REVIEW 85
3.2.1 HYDROSILYLATION OF OLEFINS 85
3.2.2 HYDROSILYLATION OF CARBONYL COMPOUNDS 89
3.2.3 MECHANISTIC PERSPECTIVE ON THE ACTIVATION OF SILANES AND CARBONYLS
. . . 92 3.3 HYDROSILYLATION OF CARBONYL COMPOUNDS 98
3.3.1 STRUCTURE OF THE IN-SITU GENERATED CATALYST FROM FE(OAC )2 98
3.3.2 CATALYTICALLY-ACTIVE QUENCHING PROTOCOLS 99
3.3.3 CONCLUSION AND MECHANISTIC IMPLICATIONS 101
3.4 PREPARATION OF SUITABLE IRON PRECURSORS 102
3.4.1 IRON HALIDE AND ACETATE SALTS 103
3.4.2 IRON WITH WEAKLY COORDINATING ANIONS 103
3.4.3 IRON PRECURSORS WITH BASIC LIGANDS FOR CARBENE SYNTHESIS 105
3.4.4 IRON CARBONYL 106
3.4.5 SOLUBLE IRON NANO PARTICLES 109
3.5 IRON COMPLEXES BEARING REDOX ACTIVE LIGANDS 110
3.5.1 O-AMINOPHENOL 110
3.5.2 SALPHEN I L L
3.6 CHIRIK-ANALOG CARBENE COMPLEX 112
3.6.1 IMINOYL-N-HETEROCYCLIC CARBENES 113
3.6.2 SYNTHESIS OF IMINOYL-NHCS 115
3.7 IRON AND N-HETEROCYCLIC CARBENES 118
3.7.1 BIS-NHC-FE COMPLEXES 118
3.7.2 ALKYL BRIGED BIS-NHCS 120
3.7.3 SCORPIONATE TRIS-NHC 120
3.7.4 DONOR FUNCTIONALIZED NHCS 121
3.7.5 MIXED CARBONYL NHC FE COMPLEXES 122
3.8 IRON(II) TO IRON(0) AND CATALYST ACTIVATION 123
3.8.1 REDUCTION WITH METALS 123
3.8.2 ACTIVATION OF COMPLEXES BY REDUCTIVE ELIMINATION 123
3.8.3 PHOTOCHEMICAL REDUCTIVE ELIMINATION 124
3.8.4 SCREENING OF IN-SITU FORMED AND REDUCED IRON COMPLEXES 126
3.9 DEHYDROCOUPLING OF SILANES TO POLYSILANES 126
3.10 SUMMARY AND CONCLUSION 129
REFERENCES 135 |
| any_adam_object | 1 |
| author | Högerl, Manuel P. |
| author_facet | Högerl, Manuel P. |
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| author_sort | Högerl, Manuel P. |
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| bvnumber | BV040389089 |
| classification_tum | CHE 376d CHE 612d CHE 167d CHE 365d |
| ctrlnum | (OCoLC)812247381 (DE-599)DNB1025017293 |
| dewey-full | 546.6212 546.6342 |
| dewey-hundreds | 500 - Natural sciences and mathematics |
| dewey-ones | 546 - Inorganic chemistry |
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| dewey-search | 546.6212 546.6342 |
| dewey-sort | 3546.6212 |
| dewey-tens | 540 - Chemistry and allied sciences |
| discipline | Chemie / Pharmazie Physik Chemie |
| edition | 1. Aufl. |
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| spelling | Högerl, Manuel P. Verfasser aut Rhodium bis-carbene and well-defined iron complexes for hydrosilylation molecular approaches towards stable and benign homogeneous catalysts Manuel P. Högerl 1. Aufl. München Dr. Hut 2012 XIII, 143 S. graph. Darst. 210 mm x 148 mm, 258 g txt rdacontent n rdamedia nc rdacarrier Anorganische Chemie Zugl.: München, Techn. Univ., Diss., 2011 Homogene Katalyse (DE-588)4160579-2 gnd rswk-swf Eisenkomplexe (DE-588)4222910-8 gnd rswk-swf Hydrosilylierung (DE-588)4160936-0 gnd rswk-swf Rhodiumkomplexe (DE-588)4314155-9 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content Eisenkomplexe (DE-588)4222910-8 s Rhodiumkomplexe (DE-588)4314155-9 s Hydrosilylierung (DE-588)4160936-0 s Homogene Katalyse (DE-588)4160579-2 s DE-604 X:MVB text/html http://deposit.dnb.de/cgi-bin/dokserv?id=4098896&prov=M&dok_var=1&dok_ext=htm Inhaltstext DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=025242464&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Högerl, Manuel P. Rhodium bis-carbene and well-defined iron complexes for hydrosilylation molecular approaches towards stable and benign homogeneous catalysts Homogene Katalyse (DE-588)4160579-2 gnd Eisenkomplexe (DE-588)4222910-8 gnd Hydrosilylierung (DE-588)4160936-0 gnd Rhodiumkomplexe (DE-588)4314155-9 gnd |
| subject_GND | (DE-588)4160579-2 (DE-588)4222910-8 (DE-588)4160936-0 (DE-588)4314155-9 (DE-588)4113937-9 |
| title | Rhodium bis-carbene and well-defined iron complexes for hydrosilylation molecular approaches towards stable and benign homogeneous catalysts |
| title_auth | Rhodium bis-carbene and well-defined iron complexes for hydrosilylation molecular approaches towards stable and benign homogeneous catalysts |
| title_exact_search | Rhodium bis-carbene and well-defined iron complexes for hydrosilylation molecular approaches towards stable and benign homogeneous catalysts |
| title_full | Rhodium bis-carbene and well-defined iron complexes for hydrosilylation molecular approaches towards stable and benign homogeneous catalysts Manuel P. Högerl |
| title_fullStr | Rhodium bis-carbene and well-defined iron complexes for hydrosilylation molecular approaches towards stable and benign homogeneous catalysts Manuel P. Högerl |
| title_full_unstemmed | Rhodium bis-carbene and well-defined iron complexes for hydrosilylation molecular approaches towards stable and benign homogeneous catalysts Manuel P. Högerl |
| title_short | Rhodium bis-carbene and well-defined iron complexes for hydrosilylation |
| title_sort | rhodium bis carbene and well defined iron complexes for hydrosilylation molecular approaches towards stable and benign homogeneous catalysts |
| title_sub | molecular approaches towards stable and benign homogeneous catalysts |
| topic | Homogene Katalyse (DE-588)4160579-2 gnd Eisenkomplexe (DE-588)4222910-8 gnd Hydrosilylierung (DE-588)4160936-0 gnd Rhodiumkomplexe (DE-588)4314155-9 gnd |
| topic_facet | Homogene Katalyse Eisenkomplexe Hydrosilylierung Rhodiumkomplexe Hochschulschrift |
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