To convert 1-butyne to 1-D-butanal,one would | vedclass

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(C) The conversion of $1$-butyne $(CH_3CH_2C \equiv CH)$ to $1-D$-butanal $(CH_3CH_2CH_2CDO)$ requires the introduction of a deuterium atom at the $C-

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$III$

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(C) The conversion of $1$-butyne $(CH_3CH_2C \equiv CH)$ to $1-D$-butanal $(CH_3CH_2CH_2CDO)$ requires the introduction of a deuterium atom at the $C-1$ position and the conversion of the alkyne to an aldehyde. Step $I$ (Sodium amide,then $D_2O$) would produce $1-D$-butyne $(CH_3CH_2C \equiv CD)$. Step $II$ (Hydroboration-oxidation using disiamylborane followed by $H_2O_2/NaOH$) converts $1$-butyne to butanal $(CH_3CH_2CH_2CHO)$. To obtain $1-D$-butanal,one would need to perform hydroboration-oxidation on $1-D$-butyne using $D_2O_2/NaOD$ instead of $H_2O_2/NaOH$. Since the provided reagents in $I$ and $II$ do not lead to the desired product $1-D$-butanal,option $III$ is correct.

To convert $1$-butyne to $1-D$-butanal,one would carry out the following steps :
$(I)$ Sodium amide,then $D_2O$
$(II)$ Disiamylborane,then hydrogen peroxide/sodium hydroxide
$(III)$ The transformation can not be carried out with the indicated reagents.

Similar Questions

The structure of the product $(Z)$ in the reactions given below is:
$HC \equiv CH$ $\xrightarrow{NaNH_2, CH_3COCH_3, H^{+}} X$ $\xrightarrow{Hg^{2+}, H_3O^{+}, H_2O} Z$

Which of the following hydrocarbons reacts with sodium in liquid ammonia?

In the reaction sequence $CaC_2$ $\xrightarrow{H_2O} A$ $\xrightarrow[dil. H_2SO_4]{Hg^{+2}} B$ $\xrightarrow{Ni} H_2 C$,the product $C$ is:

Which is the most suitable reagent among the following to distinguish compound $(iii)$ from the rest of the compounds?
$(i)$ $CH_3-C\equiv C-CH_3$
$(ii)$ $CH_3-CH_2-CH_2-CH_3$
$(iii)$ $CH_3-CH_2-C\equiv CH$
$(iv)$ $CH_3-CH=CH_2$

The final product of the following reaction is .......
$CaO + 3C$ $\xrightarrow{\text{Heat}} A$ $\xrightarrow{H_2O} B$ $\xrightarrow{H_2SO_4, Hg^{2+}} C$

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To convert $1$-butyne to $1-D$-butanal,one would carry out the following steps :$(I)$ Sodium amide,then $D_2O$$(II)$ Disiamylborane,then hydrogen peroxide/sodium hydroxide$(III)$ The transformation can not be carried out with the indicated reagents.