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Purity in water: An interesting course of development took place recently in the area of boron additions to unsaturated precursors. The first CuII and Cu0 catalyzed B2pin2 additions to alkenes and alkynes in/on pure aqueous media evolved from discovery on racemic versions to asymmetric variants and pharmaceutical applications. All presented methods provide significantly simplified catalytic systems and perform with high efficiency and stereoselectivity in/on pure water.
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Stavber et al. (2014) studied this question.
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