Sauermann, Nicolas, Loup, Joachim ORCID: 0000-0002-0033-5033, Kootz, Darius, Yatham, V. Reddy, Berkessel, Albrecht ORCID: 0000-0003-0470-7428 and Ackermann, Lutz (2017). Triazolylidene Ligands Allow Cobalt-Catalyzed C-H/C-O Alkenylations at Ambient Temperature. Synthesis, 49 (15). S. 3476 - 3485. STUTTGART: GEORG THIEME VERLAG KG. ISSN 1437-210X

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Abstract

Direct alkenylation through C-H/C-O cleavage was accomplished under mild reaction conditions by cobalt catalysts derived from novel triazolylidene ligands. The most effective ligand is characterized by sterically demanding substituents on the 1,4-N-atoms of the triazolylidene neighboring the carbene center. The C-H alkenylations proved viable with alkenyl acetates, carbamates, carbonates and phosphates. For acyclic electrophiles, diastereoconvergent C-O functionalizations were observed.

Item Type: Journal Article
Creators:
CreatorsEmailORCIDORCID Put Code
Sauermann, NicolasUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Loup, JoachimUNSPECIFIEDorcid.org/0000-0002-0033-5033UNSPECIFIED
Kootz, DariusUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Yatham, V. ReddyUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Berkessel, AlbrechtUNSPECIFIEDorcid.org/0000-0003-0470-7428UNSPECIFIED
Ackermann, LutzUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
URN: urn:nbn:de:hbz:38-223081
DOI: 10.1055/s-0036-1590471
Journal or Publication Title: Synthesis
Volume: 49
Number: 15
Page Range: S. 3476 - 3485
Date: 2017
Publisher: GEORG THIEME VERLAG KG
Place of Publication: STUTTGART
ISSN: 1437-210X
Language: English
Faculty: Faculty of Mathematics and Natural Sciences
Divisions: Faculty of Mathematics and Natural Sciences > Department of Chemistry > Institute of Organic Chemistry
Subjects: no entry
Uncontrolled Keywords:
KeywordsLanguage
H BOND ACTIVATION; CROSS-COUPLING REACTIONS; SECONDARY ALKYL-HALIDES; SELECTIVE FUNCTIONALIZATION; OLEFIN METATHESIS; AROMATIC IMINES; STABLE CARBENE; ARYLATIONS; COMPLEXES; PHOSPHATESMultiple languages
Chemistry, OrganicMultiple languages
Refereed: Yes
URI: http://kups.ub.uni-koeln.de/id/eprint/22308

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