| 21. | Thus, the resultant Yukawa-Tsuno effective substituent constant is given by:
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| 22. | I would say in a substituted compound, a substituent can be hydrogen.
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| 23. | Again, the substituent groups are ordered alphabetically.
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| 24. | A bulky substituent prefers equatorial positions, which are more distant from other substituents.
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| 25. | However, when the organic substituent is very large, the diphosphene becomes stable.
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| 26. | In general, cyanide is an electronegative substituent.
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| 27. | The clearest experimental evidence against electrostatic substituent effects was reported by Rashkin and Waters.
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| 28. | Houk and Wheeler's computational model of substituent direct interactions in pi stacking.
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| 29. | Step-wise mechanism of the Fukuyama Indole Synthesis starting with the alkenylthioanilide substituent.
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| 30. | This is most likely due to the bulky bromine substituent on the side chain.
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