Direct Conversion of 3-(2-Nitroethyl)-1<i>H</i>-Indoles into 2-(1<i>H</i>-Indol-2-yl)Acetonitriles

The recently discovered [4+1]-spirocyclization of nitroalkenes to indoles provided a convenient new approach to 2-(1<i>H</i>-indol-2-yl)acetonitriles. However, this reaction was complicated by the formation of inert 3-(2-nitroethyl)-1<i>H</i>-indole byproducts. Herein, we off...

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Main Authors: Alexander V. Aksenov, Nicolai A. Aksenov, Elena V. Aleksandrova, Dmitrii A. Aksenov, Igor Yu. Grishin, Elena A. Sorokina, Allison Wenger, Michael Rubin
Format: Article
Language:English
Published: MDPI AG 2021-10-01
Series:Molecules
Subjects:
Online Access:https://www.mdpi.com/1420-3049/26/20/6132
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author Alexander V. Aksenov
Nicolai A. Aksenov
Elena V. Aleksandrova
Dmitrii A. Aksenov
Igor Yu. Grishin
Elena A. Sorokina
Allison Wenger
Michael Rubin
author_facet Alexander V. Aksenov
Nicolai A. Aksenov
Elena V. Aleksandrova
Dmitrii A. Aksenov
Igor Yu. Grishin
Elena A. Sorokina
Allison Wenger
Michael Rubin
author_sort Alexander V. Aksenov
collection DOAJ
description The recently discovered [4+1]-spirocyclization of nitroalkenes to indoles provided a convenient new approach to 2-(1<i>H</i>-indol-2-yl)acetonitriles. However, this reaction was complicated by the formation of inert 3-(2-nitroethyl)-1<i>H</i>-indole byproducts. Herein, we offer a workaround this problem that allows for effective transformation of the unwanted byproducts into acetonitrile target molecules.
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spelling doaj.art-2c77222fc40348e79d1e7a14e4afc9e72023-11-22T19:18:31ZengMDPI AGMolecules1420-30492021-10-012620613210.3390/molecules26206132Direct Conversion of 3-(2-Nitroethyl)-1<i>H</i>-Indoles into 2-(1<i>H</i>-Indol-2-yl)AcetonitrilesAlexander V. Aksenov0Nicolai A. Aksenov1Elena V. Aleksandrova2Dmitrii A. Aksenov3Igor Yu. Grishin4Elena A. Sorokina5Allison Wenger6Michael Rubin7Department of Chemistry, North Caucasus Federal University, 1a Pushkin St., 355017 Stavropol, RussiaDepartment of Chemistry, North Caucasus Federal University, 1a Pushkin St., 355017 Stavropol, RussiaDepartment of Chemistry, North Caucasus Federal University, 1a Pushkin St., 355017 Stavropol, RussiaDepartment of Chemistry, North Caucasus Federal University, 1a Pushkin St., 355017 Stavropol, RussiaDepartment of Chemistry, North Caucasus Federal University, 1a Pushkin St., 355017 Stavropol, RussiaOrganic Chemistry Department, Peoples’ Friendship University of Russia (RUDN University), 6, Miklukho-Maklaya St., 117198 Moscow, RussiaDepartment of Chemistry, University of Kansas, 1567 Irving Hill Road, Lawrence, KS 66045, USADepartment of Chemistry, North Caucasus Federal University, 1a Pushkin St., 355017 Stavropol, RussiaThe recently discovered [4+1]-spirocyclization of nitroalkenes to indoles provided a convenient new approach to 2-(1<i>H</i>-indol-2-yl)acetonitriles. However, this reaction was complicated by the formation of inert 3-(2-nitroethyl)-1<i>H</i>-indole byproducts. Herein, we offer a workaround this problem that allows for effective transformation of the unwanted byproducts into acetonitrile target molecules.https://www.mdpi.com/1420-3049/26/20/6132nitroalkanesheterocycles1,2-alkyl shiftrearrangementscascade transformations
spellingShingle Alexander V. Aksenov
Nicolai A. Aksenov
Elena V. Aleksandrova
Dmitrii A. Aksenov
Igor Yu. Grishin
Elena A. Sorokina
Allison Wenger
Michael Rubin
Direct Conversion of 3-(2-Nitroethyl)-1<i>H</i>-Indoles into 2-(1<i>H</i>-Indol-2-yl)Acetonitriles
Molecules
nitroalkanes
heterocycles
1,2-alkyl shift
rearrangements
cascade transformations
title Direct Conversion of 3-(2-Nitroethyl)-1<i>H</i>-Indoles into 2-(1<i>H</i>-Indol-2-yl)Acetonitriles
title_full Direct Conversion of 3-(2-Nitroethyl)-1<i>H</i>-Indoles into 2-(1<i>H</i>-Indol-2-yl)Acetonitriles
title_fullStr Direct Conversion of 3-(2-Nitroethyl)-1<i>H</i>-Indoles into 2-(1<i>H</i>-Indol-2-yl)Acetonitriles
title_full_unstemmed Direct Conversion of 3-(2-Nitroethyl)-1<i>H</i>-Indoles into 2-(1<i>H</i>-Indol-2-yl)Acetonitriles
title_short Direct Conversion of 3-(2-Nitroethyl)-1<i>H</i>-Indoles into 2-(1<i>H</i>-Indol-2-yl)Acetonitriles
title_sort direct conversion of 3 2 nitroethyl 1 i h i indoles into 2 1 i h i indol 2 yl acetonitriles
topic nitroalkanes
heterocycles
1,2-alkyl shift
rearrangements
cascade transformations
url https://www.mdpi.com/1420-3049/26/20/6132
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