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词条 Alkaline hydrolysis
释义

  1. Example

  2. Uses

  3. See also

  4. References

{{About|the chemical reaction|alternative to the traditional options of burial|Alkaline hydrolysis (body disposal)}}

Alkaline hydrolysis, in organic chemistry, usually refers to types of nucleophilic substitution reactions in which the attacking nucleophile is a hydroxide ion.

Example

In the alkaline hydrolysis of esters and amides the hydroxide ion nucleophile attacks the carbonyl carbon in a nucleophilic acyl substitution reaction. This mechanism is supported by isotope labeling experiments. For example, when ethyl propionate with an oxygen-18 labeled ethoxy group is treated with sodium hydroxide (NaOH), the oxygen-18 is completely absent from the sodium propionate product and is found exclusively in the ethanol formed.[1]

Uses

The reaction is often used to turn solid organic matter into a liquid form for easier disposal. Drain cleaners take advantage of this method to dissolve hair and fat in pipes. The reaction is also used to dispose of human and other animal remains as an alternative to traditional burial or cremation.

See also

  • Acid hydrolysis
  • Enzymatic hydrolysis
  • Saponification

References

1. ^{{cite book|last=McMurry|first=John|title=Organic Chemistry|year=1996|publisher=Brooks/Cole Publishing Company|location=Pacific Grove, CA|isbn=0534238327|pages=820–821|edition=4th}}
{{organic-chem-stub}}

2 : Chemical reactions|Acid–base chemistry

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