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Rieche formylation

In today's world, Rieche formylation has become a topic of great relevance and interest to many people. Over time, Rieche formylation has gained significant importance in various areas, generating debates, controversies, research and in-depth analysis. In this article, we will explore in detail the different aspects related to Rieche formylation, analyzing its impact on society, its evolution over the years and its relevance in the current context. Through research and detailed examination of various sources, we seek to shed light on Rieche formylation and provide the reader with a deep and enriching understanding of this highly relevant topic.

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Rieche formylation
Named after Alfred Rieche
Reaction type Substitution reaction

Rieche formylation is a type of formylation reaction. The substrates are electron rich aromatic compounds, such as mesitylene[1] or phenols,[2] with dichloromethyl methyl ether acting as the formyl source. The catalyst is titanium tetrachloride and the workup is acidic. The reaction is named after Alfred Rieche who discovered it in 1960.[3]

See also

Reimer–Tiemann reaction.

References

  1. ^ Rieche, A.; Gross, H.; Höft, E. (1967). "Aromatic Aldehydes. Mesitaldehyde". Organic Syntheses. 47 (47): 1. doi:10.15227/orgsyn.047.0001.
  2. ^ García, Oscar; Nicolás, Ernesto; Albericio, Fernando (June 2003). "o-Formylation of electron-rich phenols with dichloromethyl methyl ether and TiCl4". Tetrahedron Letters. 44 (27): 4961–4963. doi:10.1016/S0040-4039(03)01168-7.
  3. ^ Rieche, Alfred; Gross, Hans; Höft, Eugen (January 1960). "Über α-Halogenäther, IV. Synthesen aromatischer Aldehyde mit Dichlormethyl-alkyläthern". Chemische Berichte. 93 (1): 88–94. doi:10.1002/cber.19600930115.