| 11. | Optical activity in transition metal ion complexes have been attributed to configurational, conformational and the vicinal effects.
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| 12. | The vicinal adjective is sometimes restricted to those molecules with two " identical " functional groups.
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| 13. | Sodium periodate can be used in solution to open saccharide rings between vicinal diols leaving two aldehyde groups.
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| 14. | The tram stop in the background was also used by the Vicinal, which had its terminal loop here.
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| 15. | Since osmium tetroxide is expensive and toxic, other metals have been used to prepare vicinal diols from olefins.
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| 16. | Usually, vicinal difunctionalizations are carried out in one pot, without the intermediacy of a neutral protected enolate.
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| 17. | This suggests that the vicinal oxygenations at C-1 and C-2 are independent steps involving hydroxylation.
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| 18. | This vicinal diol is then further oxidized with loss of the side chain starting at position C22 to produce pregnenolone.
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| 19. | (X represents the halogens bromine or chlorine, and in this case, a solvent could be vicinal dihalide.
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| 20. | Although the method can produce diols, overoxidation to the dicarbonyl compound has led to difficulties isolating the vicinal diol.
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