| 41. | Arenes with electron donating groups react with halogens even in the absence of Lewis acids.
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| 42. | This intermediate then acts as a Lewis acid to coordinate with the carbonyl oxygen atom.
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| 43. | It is an oxidant and a Lewis acid which is able to bind to fluoride.
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| 44. | Asymmetric Induction of the 1, 3-Dipolar Cycloaddition Reaction with Chiral Lewis Acid Catalysts
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| 45. | It is a useful Lewis acid and a versatile building block for other boron compounds.
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| 46. | It is used as the standard Lewis acid in the Gutmann scale of Lewis basicity.
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| 47. | P 4 O 6 can also donate electrons to Lewis acids such as BH 3.
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| 48. | Cr ( VI ) prefers to oxidise over any Lewis acid ability, I think.
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| 49. | Antimony pentafluoride is a strong Lewis acid.
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| 50. | Many oxohalides can act as Lewis acids.
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