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Synthesis of benzothiazole analogs via stephen benzonitriles reductions

Ankusab Noorahmadsab Nadaf et al · Springer · 2026

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Author / responsible party
Ankusab Noorahmadsab Nadaf et al
Publisher
Springer
Year
2026
ISSN
3005-1193
ISSN
3005-1193
Language
English

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Abstract The Stephen reduction is a classical transformation for converting benzonitriles into benzaldehydes, typically employing concentrated hydrochloric acid (HCl) in the presence of tin(II) chloride dihydrate (SnCl2·2H2O) as the reducing system. During the reaction, tin(IV) chloride (SnCl4) is generated in situ, which plays a crucial role in facilitating the subsequent cyclization with 2-aminothiophenol, thereby enhancing the overall efficiency of the process and yielding benzothiazole. This methodology has been further adapted into a streamlined one-pot protocol, enabling the efficient synthesis of benzothiazole analogues with improved yields and operational simplicity. Graphical Abstract

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APA 7

al, A. N. N. E. (2026). Synthesis of benzothiazole analogs via stephen benzonitriles reductions. https://doi.org/10.1007/s44371-026-00667-9

MLA

al, Ankusab Noorahmadsab Nadaf et. "Synthesis of benzothiazole analogs via stephen benzonitriles reductions." 2026. https://doi.org/10.1007/s44371-026-00667-9.

Chicago

al, Ankusab Noorahmadsab Nadaf et. 2026. "Synthesis of benzothiazole analogs via stephen benzonitriles reductions.". https://doi.org/10.1007/s44371-026-00667-9.

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al, A. N. N. E. 2026, Synthesis of benzothiazole analogs via stephen benzonitriles reductions, Springer, available at: https://doi.org/10.1007/s44371-026-00667-9 [Accessed 7 Aug. 2026].

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Title
Synthesis of benzothiazole analogs via stephen benzonitriles reductions
Author / contributors
Ankusab Noorahmadsab Nadaf et al
Publisher
Springer
Publication year
2026
ISSN
3005-1193
ISSN
3005-1193
Language
English

Subjects

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Stannous chloride; Stephen reduction; Benzothiazole; Benzonitrile; Aminothiophenol
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