Identify the reagents (1-4) required for the | vedclass

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(A) Step $1$: The reduction of the dialdehyde to a diol is achieved using $LiAlH_4$. Step $2$: The syn-dihydroxylation of the double bond is achieved

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$1 	o 2 	o 3 	o 4$

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(A) Step $1$: The reduction of the dialdehyde to a diol is achieved using $LiAlH_4$. Step $2$: The syn-dihydroxylation of the double bond is achieved using $OsO_4$. Step $3$: The oxidative cleavage of the vicinal diol to a diketone is achieved using $NaIO_4$ (or $HIO_4$). Step $4$: The reduction of the diketone to a diol is achieved using $NaBH_4$. Thus,the correct order of reagents is $1 	o 2 	o 3 	o 4$.

Identify the reagents $(1-4)$ required for the transformations shown and arrange them in the correct order.
$(1)$ $LiAlH_4$
$(2)$ $OsO_4$
$(3)$ $NaIO_4$
$(4)$ $NaBH_4$

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Identify the reagents $(1-4)$ required for the transformations shown and arrange them in the correct order.$(1)$ $LiAlH_4$$(2)$ $OsO_4$$(3)$ $NaIO_4$$(4)$ $NaBH_4$