Table 1.
ligand | oxidant | solvent | 12a/12b |
---|---|---|---|
(DHQD)2PHAL | K3Fe(CN)6 | tBuOH/H2O | 1:5 |
(DHQD)2PYR | K3Fe(CN)6 | tBuOH/H2O | <1:2 |
(DHQD)2AQN | K3Fe(CN)6 | tBuOH/H2O | 1:5 |
DHQD-IND | K3Fe(CN)6 | tBuOH/H2O | 2:3 |
(DHQ)2PHAL | K3Fe(CN)6 | tBuOH/H2O | 1:1 |
(DHQ)2PYR | K3Fe(CN)6 | tBuOH/H2O | 1:2 |
(DHQD)2AQN | K3Fe(CN)6 | tBuOH/H2O | 1:2 |
DHQD-IND | K3Fe(CN)6 | tBuOH/H2O | 1:5 |
DHQD-IND | K3Fe(CN)6 | acetone/tBuOH/H2O | <1:2 |
NMO | iPrOH | 1:1 | |
NMO | acetone/tBuOH/H2O | 1:1 |