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. 2025 Apr 30;44(9):1006–1011. doi: 10.1021/acs.organomet.5c00095

Table 2. Catalytic Performance of PN- and PP-Based Mn(I) Methyl Complexes in the Dimerization of Phenylacetylenea.

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catalyst conversion [%] Z/E
PN1 75 95:5
PN2 35 96:4
PN3 14 90:10
PN4 12 90:10
PN5 n.d. n.d.
PN7 n.d. n.d.
PN6 trace n.d.
PN8 n.d. n.d.
PP3b >99 96:4
PP2b 67 79:21
PP4 36 91:9
PP5 n.d n.d.
none n.d n.d.
a

Reaction conditions: phenylacetylene (0.600 mmol, 1.00 equiv), catalyst (0.012 mmol, 2.00 mol %), THF (1 M), 80 °C for 18 h; conversion, E/Z ratio detected by GC-MS, n.d. = not detected.

b

Data taken from ref (17).