Cobalt-catalyzed dehydrogenative cross-coupling reaction: Selective access to dihydrosiloxanes, hydrosiloxanes and functionalized silsesquioxanes
JOURNAL OF CATALYSIS(2023)
Abstract
Disclosed is a mild, scalable, and chemoselective cross-dehydrogenative functionalization protocol for the construction of Si-O-Si moieties under cobalt catalysis. The reaction has a broad scope and can be used to synthesize a wide range of silicon building blocks, including challenging dihydrosiloxanes and func-tionalized silsesquioxanes. Most importantly, the results are placed into context by benchmarking with state-of-the-art methods. Remarkably, the utilized PNP-Co catalyst enables the development of further synthetic strategies such as a one-pot sequential silanolysis/alcoholysis process or unprecedented dehy-drocoupling reaction between germanol and hydrosilane.(c) 2023 The Author(s). Published by Elsevier Inc. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
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Key words
dihydrosiloxanes,dihydrosiloxanes,cobalt-catalyzed,cross-coupling
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