Question

How to convert ethene + but-1-ene to make 3-hydroxypentanal?
c=c + c-c-c=c ----?-----> c-c-c-c-c=o?
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OH

Answer 1

Answer on Question #70984 – Chemistry – Organic Chemistry

Task:

How to convert ethene + but-1-ene to make 3-hydroxypentanal?

Solution (1):

$$\text{ethene} \xrightarrow{\text{H}_2\text{O}} \text{ethanol} \xrightarrow{\text{C}_5\text{H}_5\text{N} * \text{CrO}_3 * \text{HCl}} \text{acetaldehyde}$$

Solution (2):

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