Expression of concern: Direct C–S bond formation via C–O bond activation of phenols in a crossover Pd/Cu dual-metal catalysis system
Abstract
Expression of concern for ‘Direct C–S bond formation via C–O bond activation of phenols in a crossover Pd/Cu dual-metal catalysis system’ by Vahid Khakyzadeh et al., Org. Biomol. Chem., 2019, 17, 4491–4497, https://doi.org/10.1039/C9OB00313D.