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For the synthesis and use of DTBM-Xantphos, see ref 15a.
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31
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57049183173
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Procedures for the synthesis of DTBM-TRAP and Terph-TRAP are described in the Experimental Section
-
Procedures for the synthesis of DTBM-TRAP and Terph-TRAP are described in the Experimental Section.
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5544290692
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57049125213
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In contrast, when the same set of NMR measurements were conducted with Xantphos ligand, the signal for a complex that appeared after the addition of la was broad, and the significant signal for uncoordinated Xantphos remained. When i-Pr-DUPHOS was used as a ligand, two broad peaks were observed in the low magnetic field (see Supporting Information for NMR spectra).
-
In contrast, when the same set of NMR measurements were conducted with Xantphos ligand, the signal for a complex that appeared after the addition of la was broad, and the significant signal for uncoordinated Xantphos remained. When i-Pr-DUPHOS was used as a ligand, two broad peaks were observed in the low magnetic field (see Supporting Information for NMR spectra).
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A reviewer pointed out the ambiguity of the assignment of this signal.
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39
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57049184237
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A reviewer suggested a possibility of [2, 2] cycloaddition
-
A reviewer suggested a possibility of [2 + 2] cycloaddition.
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