| 31. | Heck-type cross coupling of phenylboronic acid to alkenes and alkynes.
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| 32. | It is used as a catalyst for cyclopropanation of alkenes.
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| 33. | Vinyl-substituted silsesquioxanes available silsesquioxanes can be linkedby the alkene metathesis.
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| 34. | The product alkene results from 1, 4-addition of hydrogen.
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| 35. | The addition of alkenes is an example of the + E effect.
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| 36. | :: Alkenes aren't really good EWGs though.
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| 37. | The former converts alkenes, hydrogen, and carbon monoxide into aldehydes.
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| 38. | It adds across alkenes to give organoboron compounds that are useful intermediates.
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| 39. | They catalyze the hydrogenation of alkenes, ketones, aldehydes.
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| 40. | The addition to alkenes is rapid, quantitative and reversible.
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