Derive butanol by starting with Ethanol. You can only use ethanol as a organic compound.
Ethanol is a famous organic compound which is used to synthesis more organic compounds. There are four carbon atoms in butanol molecule. Both ethanol and butanol are alcohol compounds. When we prepare butanol from ethanol, we have to double the number of carbon atoms.
Now, we study the conversion step by step by mentioning all the reagents, reactions and physical conditions.
Primary alcohols can be oxidized to aldehydes by PCC which is mild oxidizing agent. If we use strong oxidizing agent such as H+ / KMnO4 instead of PCC, we cannot prepare aldehyde from alcohol.
Pyridinium chlorochromate is a yellow-orange salt which is used to oxidize alcohols to carbonyl compounds (aldehyde and ketone).
Ethanol and PCC react to give ethanal (aldehyde). Ethanal's chemical formula is CH3CHO.
When aldehyde compound is treated with dilute NaOH or KOH, aldol product is given. This reaction is called as aldol condensation.
Ethanal and dilute NaOH or KOH react with heating to form aldol product. Then given product has four carbon atoms.
Aldehyde is reduced to primary alcohols by hydrogen gas in the presence of nickel catalyst. (H2 / Ni.
Instead of H2/ Ni, following reagents also can be used to reduce aldehyde group to alcohol group.
With H2/ Ni, alkene group(double bond) becomes into alkane group and aldehyde group becomes to a alcoholic group.
When butanol is oxidized with PCC, butanal (an aldehyde with four carbon atoms) is given.
First CrO3 is dissolved in HCl. Then Pyridene is treated with that CrO3 ? HCl in CH2Cl2 medium.