2022
DOI: 10.1016/j.tet.2022.132961
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Recoverable low fluorine content palladium complex-catalyzed Suzuki-Miyaura and Sonogashira coupling reactions under thermomorphic mode

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Cited by 6 publications
(6 citation statements)
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“…S27–S51 and Table S1 ). Besides achieving the C–C coupling reactions in water by using these micelles, the catalyst loadings employed is very low compared to other Pd-catalysts ( 32 34 ) and other Pd-catalysed carbon–carbon coupling reactions in water ( 35 , 36 ). We have used 0.1 mol% (based on the Pd content) of these micellar solutions for catalyzing these cross-coupling reactions.…”
Section: Resultsmentioning
confidence: 99%
“…S27–S51 and Table S1 ). Besides achieving the C–C coupling reactions in water by using these micelles, the catalyst loadings employed is very low compared to other Pd-catalysts ( 32 34 ) and other Pd-catalysed carbon–carbon coupling reactions in water ( 35 , 36 ). We have used 0.1 mol% (based on the Pd content) of these micellar solutions for catalyzing these cross-coupling reactions.…”
Section: Resultsmentioning
confidence: 99%
“…The reported thermomorphic procedures for the HCS coupling are carried at T > 100 °C with aryl iodides and bromides as nonsustainable solvents. 47,48 The recycling procedure is ideal for products sensitive to temperature. 36 In fact, if the reaction was carried out using low palladium loading, the reaction time consistently increased (see Table 3).…”
Section: ■ Results and Discussionmentioning
confidence: 99%
“…A solution of 2a in toluene or IBA was added over 3 h to the reaction mixture and after cooling to room temperature 3a was easily recovered by phase separation and the catalyst was recycled (see entries 12 and 13 and Figure b). The reported thermomorphic procedures for the HCS coupling are carried at T > 100 °C with aryl iodides and bromides as nonsustainable solvents. , …”
Section: Resultsmentioning
confidence: 99%
“…Sometimes, the intrinsic properties of catalysts can enable the separation of the catalyst from the rest of the medium without the necessity to add an extractant. Tessema et al [ 81 ] synthesized a palladium-based complex [PdCl 2 [5,5′-bis-(R f CH 2 OCH 2 )-2,2′-bpy] and used it for Suzuki and Sonogashira cross couplings. This specific catalyst had thermomorphic properties and it was thus homogeneous at 140–145 °C during the reactions and became a heterogeneous catalyst when the media was cooled down.…”
Section: Treatment Processes For Rare Metal Recoverymentioning
confidence: 99%
“…The only way to reach a homogeneous catalyst recycling seems to be case specific [ 80 , 81 ]. Some examples of liquid–liquid extractions without the addition of a chelating agent can be found in the literature.…”
Section: Treatment Processes For Rare Metal Recoverymentioning
confidence: 99%