Synthesis 2024; 56(16): 2507-2512
DOI: 10.1055/a-2309-6737
paper
Special Issue Flow Chemistry

Sequential Paired Electrochemical Transformation of Styrene Oxide via Anodic Meinwald Rearrangement and Cathodic Nitro­methylation in an Electrochemical Flow Reactor with Catalytic Electrical Input

Eisuke Sato
,
Kanon Nagamine
,
Chika Sasaki
,
Shumpei Kunimoto
,
,
Seiji Suga
This work was supported by JSPS KAKENHI (Grant Nos. 22K05115 (S.S.), 22H02122 (K.M.), and 23K13748 (E.S.)) and the Ministry of Education, Culture, Sports, Science & Technology of Japan through Transformative Research Areas (A) 21A202 Digitalization-driven Transformative Organic Synthesis (Digi-TOS).


Abstract

Paired electrosynthesis, which utilize both anodic and cathodic events in electrolysis, enables attractive transformations with higher current efficiency than conventional electrosynthesis. The electrochemical flow technique has been widely employed to ensure stable reaction conditions and mitigate issues stemming from mass transfer. In this study, the electrochemical Meinwald rearrangement of styrene oxides was investigated, yielding aldehydes as intermediates, followed by the nitromethylation of aldehydes to produce β-nitro alcohols. These reactions were achieved with catalytic electrical input, enabling the conversion of various styrene oxides into the corresponding β-nitro alcohols.

Supporting Information



Publication History

Received: 05 April 2024

Accepted after revision: 19 April 2024

Accepted Manuscript online:
19 April 2024

Article published online:
06 May 2024

© 2024. Thieme. All rights reserved

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