Mild and selective reduction of aldehydes utilising sodium dithionite under flow conditions

Autor: Nicole C. Neyt, Darren L. Riley
Jazyk: angličtina
Rok vydání: 2018
Předmět:
Zdroj: Beilstein Journal of Organic Chemistry, Vol 14, Iss 1, Pp 1529-1536 (2018)
Druh dokumentu: article
ISSN: 1860-5397
DOI: 10.3762/bjoc.14.129
Popis: We recently reported a novel hybrid batch–flow synthesis of the antipsychotic drug clozapine in which the reduction of a nitroaryl group is described under flow conditions using sodium dithionite. We now report the expansion of this method to include the reduction of aldehydes. The method developed affords yields which are comparable to those under batch conditions, has a reduced reaction time and improved space-time productivity. Furthermore, the approach allows the selective reduction of aldehydes in the presence of ketones and has been demonstrated as a continuous process.
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