| 31. | A Diels Alder reaction between two pyridine functionalized substrates normally yield a mixture of endo and exo products.
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| 32. | A related popular catalyst scandium triflate is used in such reactions as aldol reactions and Diels-Alder reactions.
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| 33. | A hexadehydro Diels-Alder reaction ( HDDA ) involves cycloaddition of 1, 3-diyne and alkyne.
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| 34. | Because the diene is very electron-rich it is a very reactive reagent in Diels-Alder reactions.
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| 35. | The Diels-Alder reaction of ?-nitrostyrene and cyclopentadiene is described in a number of early papers.
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| 36. | Diels-Alder reactions occur between a conjugated diene and an alkene ( commonly known as the dienophile ).
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| 37. | A decade later, Elias James Corey introduced an effective aluminum-diamine controller for Diels-Alder reaction.
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| 38. | It is produced by the Diels-Alder reaction of two equivalents of hexachlorocyclopentadiene with one equivalent of cyclooctadiene.
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| 39. | The Diels-Alder reaction itself is a powerful reaction that can give cyclic compounds with many stereogenic centers.
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| 40. | The retro-Diels Alder reaction occurs quickly afterwards to form the stable 1, 2, 3 triazole.
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