| 41. | A suprafacial transformation at a chiral center preserves stereochemistry, whereas an antarafacial transformation reverses stereochemistry.
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| 42. | There are exceptions to this pattern, some of which indicate stereochemistry ( PGF 2? ).
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| 43. | His 1962 textbook " Stereochemistry of Carbon Compounds " influenced generations of organic chemists.
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| 44. | "' Mechanostereochemistry "'is the stereochemistry of the molecules with mechanical bonds.
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| 45. | This can affect both the kinetics of the reaction and the stereochemistry of the reaction products.
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| 46. | It seems to me that possibly in such transitions you could have stereochemistry-affecting effects.
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| 47. | Catalytic cycle of the Catellani reaction . ( Ligands and stereochemistry are omitted for clarity .)
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| 48. | This creates the demand for'stereoselective synthesis', producing a compound with a defined stereochemistry.
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| 49. | Bromination and iodination work best, though this reaction does not preserve the stereochemistry of the alcohol.
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| 50. | The stereochemistry of R 1 and R 2 in the cycloaddition product is derived from the dipole.
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