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. 2024 Nov 12;43(22):2944–2950. doi: 10.1021/acs.organomet.4c00388

Table 1. Attempts at Catalytic DHBTA of 4-Ethynyltoluene Using (PNP)Ru and Os Complexes.

graphic file with name om4c00388_0004.jpg

entry [cat.] % conv. % productsa
1 3-Ru 99 0/95/5
2 4-Ru 88 0/55/45
3 3-Os 25 0/72/28
4 4-Os 25 0/72/28
5 5-Os 35 0/51/49
a

Product yields listed as 7/(E)-8/(Z)-8.