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. Author manuscript; available in PMC: 2021 Oct 29.
Published in final edited form as: J Am Chem Soc. 2021 Aug 5;143(32):12825–12835. doi: 10.1021/jacs.1c06245

Table 5.

Role of Cationic Complex [P~P]Co(I)]+ [BARF]− in Hydroacylationa

graphic file with name nihms-1748964-t0005.jpg
entry Z catalyst (mol%) t (h) conv. (%) er for 7a or 6b
1. Me {[i-Pr-DUPHOS]CoICl}2 (2.5) 24 0 (0)b -
2. Me {[i-Pr-DUPHOS]CoICl}2 (2.5) NaBARF (7.5%) 24 60 (100)b 98:2
3. Me [i-Pr-DUPHOS]CoBr2 (5) Zn (50), NaBARF (7.5) 24 93 98:2
4. Me [i-Pr-DUPHOS]CoBr2 (5) Zn (50), NaBARF (0) 24 <5 -
5. Me [i-Pr-DUPHOS][CoI(2,3-Me2BD)]+ (27) 40 60 98:2
6. TMSO [CoI]+-catalyst 29 (5) 30 95 99:1
7. TMSO [CoI]+-catalyst 31 (5) 48 73 99:1
a

For a more complete Table, see, Table S4, p. S19 in the Supporting Information. Procedure F (p. S14) for details.

b

In ether, where the cationic species appears to be more stable.