Editing Aldehyde (section)

===Specialty methods===
{| class="wikitable sortable" style="background-color:white;float: center; border-collapse: collapse; margin: 0em 1em;" border="1" cellpadding="2" cellspacing="0"

! width=220px|Reaction name !! Substrate !! class="unsortable" | Comment
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|valign=top | [[Ozonolysis]]
|valign=top|[[Alkene]]s
| Reductive [[Work-up (chemistry)|work-up]]; similar effect with [[singlet oxygen]] and no work-up
|-
|valign=top| [[Carbonyl reduction]]
|[[Ester]]s, [[amides]]
| Reduction of an [[ester]] with diisobutylaluminium hydride ([[DIBAL-H]]) or [[sodium aluminium hydride]]; see also [[amide reduction]].
|-
|valign=top| [[Rosenmund reaction]]
|valign=top|[[Acyl chloride]]s
| Acyl chlorides selectively [[organic redox reaction|reduced]] to aldehydes. Lithium tri-''t''-butoxyaluminium hydride ({{chem2|LiAlH(O^{''t''}Bu)3}}) is an effective reagent.{{citation needed|date=February 2016}}
|-
|valign=top| [[Wittig reaction]]
|valign=top|[[Ketone]]s
| A modified Wittig reaction using [[methoxymethylenetriphenylphosphine]] as a reagent.
|-
|valign=top| [[Formylation reaction]]s
|valign=top| [[Nucleophile|Nucleophilic]] [[Aromatic hydrocarbon|arenes]]
| Various reactions, for example the [[Vilsmeier-Haack reaction]].
|-
|valign=top| [[Nef reaction]]
|valign=top| [[Nitro compound]]s
| The [[acid catalysis|acid]] [[hydrolysis]] of a [[Primary (chemistry)|primary]] nitro compound to form an aldehyde.
|-
|valign=top| [[Kornblum oxidation]]
|valign=top| [[Haloalkane]]s
| The oxidation of primary halide with [[dimethyl sulfoxide]] to form an aldehyde.
|-
|valign=top| [[Zincke reaction]]
|valign=top| [[Pyridine]]s
| [[Zincke aldehyde]]s formed in a reaction variation.
|-
|valign=top| [[Stephen aldehyde synthesis]]
|valign=top| [[Nitrile]]s
| Hydrolysis of an [[iminium]] salt generated by [[tin(II) chloride]] and [[Hydrogen chloride|HCl]] to form an aldehyde.
|-
|valign=top| [[Geminal halide hydrolysis]]
|valign=top| [[Geminal]] [[halocarbon|dihalide]]s
| Hydrolysis of [[Primary (chemistry)|primary]] geminal dihalides to yield aldehydes.
|-
|valign=top| [[Meyers synthesis]]
|valign=top| [[Oxazine]]s
| [[Hemiaminal]] oxazine hydrolysis with water and [[oxalic acid]] to yield an aldehyde.
|-
|valign=top| [[Hofmann rearrangement]] variation<ref>{{cite journal|last1=Weerman|first1=R.A.|title=Einwirkung von Natriumhypochlorit auf Amide ungesättigter Säuren|journal=Justus Liebigs Annalen der Chemie|date=1913|volume=401|issue=1|pages=1–20|doi=10.1002/jlac.19134010102|url=https://zenodo.org/record/1427615}}</ref><ref>{{Cite book|last1=Everett|first1=Wallis|last2=Lane|first2=John|title=The Hofmann Reaction|series=Organic Reactions|date=1946|volume=3|issue=7|pages=267–306|isbn=9780471005285|doi=10.1002/0471264180.or003.07}}</ref>
|valign=top| [[Saturated and unsaturated compounds|Unsaturated]] or [[Alpha and beta carbon|α]]-[[Hydroxyl|hydroxy]] [[amides]]
| Aldehydes via the hydrolysis of an [[Reaction intermediate|intermediate]] [[Carbamic acid|carbamate]].
|-
|valign=top| [[McFadyen-Stevens reaction]]
|valign=top| [[Hydrazide]]s
| [[Base (chemistry)|Base]]-[[Catalysis|catalyzed]] [[thermal decomposition]] of acylsulfonylhydrazides.
|-
|valign=top| [[Biotransformation]]
|valign=top| [[Alkene]]s
| [[Lyophilized]] cell cultures of ''[[Trametes hirsuta]]'' in the presence of oxygen.<ref>{{cite book|author1=Sutton, Peter |author2=Whittall, John |title=Practical Methods for Biocatalysis and Biotransformations 2|date=2012|publisher=John Wiley & Sons, Ltd.|location=Chichester, West Sussex|isbn=9781119991397|pages=199–202|url=https://books.google.com/books?id=WlODZ-WX8vIC&q=9781119991397}}</ref>
|}