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- Title
Recent Advances in the Nitration of Olefins.
- Authors
Paul, Nilanjan; Maity, Soham; Panja, Subir; Maiti, Debabrata
- Abstract
Nitroolefins are important synthetic intermediates in the field of organic synthesis as well as in medicinal chemistry. The high reactivity of nitroalkenes due to the polarized double bond which enables them to act as Michael acceptor in conjugate addition reactions, or as a dienophile in cycloaddition makes it an essential synthetic handle for accessing complex molecules. The classical method to prepare nitroolefins is indeed the Henry nitroaldol reaction, where a carbonyl compound and nitroalkane are condensed in presence of base. Direct nitration of olefin, on the other hand, serves as a useful alternative as olefins are abundant, have broad commercial availability and easy to manipulate. In this context, numerous methods have been developed over the last few decades, focusing on direct nitration of styrene and aliphatic olefins. Furthermore, thorough literature search revealed that implementation of this class of reactions are gaining momentum as a preferred pathway to access nitroolefins, despite the presence of a powerful technique such as Henry reaction. In this review, we aim to cover recent advances in direct olefin nitration and their importance in accessing biorelevant molecules, total synthesis targets and future outlook in this specific research area.
- Subjects
NITRATION; CONJUGATE addition reactions; ALKENES; NITROALDOL reactions; DOUBLE bonds; ORGANIC synthesis; NITROALKENES
- Publication
Chemical Record, 2021, Vol 21, Issue 10, p2896
- ISSN
1527-8999
- Publication type
Article
- DOI
10.1002/tcr.202100217