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unsubstituted

unsubstituted Sentence Examples

  • Hence, unless the radical introduced be one which exercises a special attractive influence, substitution should take place in preference in the previously unsubstituted ring.

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  • The new protocol accounts for the reversal in selectivity observed in changing from Z enol borinates to unsubstituted enol borinates to unsubstituted enol borinates.

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  • However, the unsubstituted nucleosides could lightly yield the fragment ions of the nucleoside base and sugar ring.

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  • Hence, unless the radical introduced be one which exercises a special attractive influence, substitution should take place in preference in the previously unsubstituted ring.

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  • It may be generally concluded that the substitution of alkyl, nitro, hydroxyl, and haloid groups for hydrogen in a molecule occasions a deformation of crystal structure in one definite direction, hence permitting inferences as to the configuration of the atoms composing the crystal; while the nature and degree of the alteration depends (1) upon the crystal structure of the unsubstituted compound; (2) on the nature of the substituting radicle; (3) on the complexity of the substituted molecule; and (4) on the orientation of the substitution derivative.

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