Asymmetric Synthesis of Spirobenzazepinones with Atroposelectivity and Spiro-1,2-Diazepinones by NHC-Catalyzed [3+4] Annulation Reactions
A strategy for the NHC‐catalyzed asymmetric synthesis of spirobenzazepinones, spiro‐1,2‐diazepinones, and spiro‐1,2‐oxazepinones has been developed via [3+4]‐cycloaddition reactions of isatin‐derived enals (3C component) with in‐situ‐generated aza‐o‐quinone methides, azoalkenes, and nitrosoalkenes (...
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Veröffentlicht in: | Angewandte Chemie 2016-09, Vol.128 (37), p.11276-11280 |
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creator | Wang, Lei Li, Sun Blümel, Marcus Philipps, Arne R. Wang, Ai Puttreddy, Rakesh Rissanen, Kari Enders, Dieter |
description | A strategy for the NHC‐catalyzed asymmetric synthesis of spirobenzazepinones, spiro‐1,2‐diazepinones, and spiro‐1,2‐oxazepinones has been developed via [3+4]‐cycloaddition reactions of isatin‐derived enals (3C component) with in‐situ‐generated aza‐o‐quinone methides, azoalkenes, and nitrosoalkenes (4atom components). The [3+4] annulation strategy leads to the seven‐membered target spiro heterocycles bearing an oxindole moiety in high yields and excellent enantioselectivities with a wide variety of substrates. Notably, the benzazepinone synthesis is atroposelective and an all‐carbon spiro stereocenter is generated.
Spiro über [3+4]: Die asymmetrische NHC‐katalysierte [3+4]‐Anellierung von Isatin‐abgeleiteten Enalen mit Arylsulfonamiden oder Tosylhydrazonen führt zu Spirobenzazepinonen mit Atropselektivität oder zu Spiro‐1,2‐diazepinonen mit Oxindol‐Einheit. Die Reaktionen laufen mit vielfältigen Substraten, hohen Ausbeuten und exzellenten Enantioselektivitäten ab. |
doi_str_mv | 10.1002/ange.201604819 |
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Spiro über [3+4]: Die asymmetrische NHC‐katalysierte [3+4]‐Anellierung von Isatin‐abgeleiteten Enalen mit Arylsulfonamiden oder Tosylhydrazonen führt zu Spirobenzazepinonen mit Atropselektivität oder zu Spiro‐1,2‐diazepinonen mit Oxindol‐Einheit. Die Reaktionen laufen mit vielfältigen Substraten, hohen Ausbeuten und exzellenten Enantioselektivitäten ab.</description><identifier>ISSN: 0044-8249</identifier><identifier>EISSN: 1521-3757</identifier><identifier>DOI: 10.1002/ange.201604819</identifier><language>eng</language><publisher>Weinheim: Blackwell Publishing Ltd</publisher><subject>1,2-Diazepinon ; 2-Diazepinon ; Asymmetrische Synthesen ; Asymmetry ; Bearing ; Benzazepinon ; Chemical reactions ; Chemistry ; N-heterocyclische Carbene ; Organic chemistry ; Spiroverbindungen ; Strategy ; Substrates ; Synthesis ; Synthesis (chemistry)</subject><ispartof>Angewandte Chemie, 2016-09, Vol.128 (37), p.11276-11280</ispartof><rights>2016 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim</rights><rights>2016 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c2339-8378a57ecb1c00c3e9430be2fff5797b511f90bae94a9e9ae482ff0b71c34d583</citedby><cites>FETCH-LOGICAL-c2339-8378a57ecb1c00c3e9430be2fff5797b511f90bae94a9e9ae482ff0b71c34d583</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2Fange.201604819$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Fange.201604819$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,780,784,1417,27924,27925,45574,45575</link.rule.ids></links><search><creatorcontrib>Wang, Lei</creatorcontrib><creatorcontrib>Li, Sun</creatorcontrib><creatorcontrib>Blümel, Marcus</creatorcontrib><creatorcontrib>Philipps, Arne R.</creatorcontrib><creatorcontrib>Wang, Ai</creatorcontrib><creatorcontrib>Puttreddy, Rakesh</creatorcontrib><creatorcontrib>Rissanen, Kari</creatorcontrib><creatorcontrib>Enders, Dieter</creatorcontrib><title>Asymmetric Synthesis of Spirobenzazepinones with Atroposelectivity and Spiro-1,2-Diazepinones by NHC-Catalyzed [3+4] Annulation Reactions</title><title>Angewandte Chemie</title><addtitle>Angew. Chem</addtitle><description>A strategy for the NHC‐catalyzed asymmetric synthesis of spirobenzazepinones, spiro‐1,2‐diazepinones, and spiro‐1,2‐oxazepinones has been developed via [3+4]‐cycloaddition reactions of isatin‐derived enals (3C component) with in‐situ‐generated aza‐o‐quinone methides, azoalkenes, and nitrosoalkenes (4atom components). The [3+4] annulation strategy leads to the seven‐membered target spiro heterocycles bearing an oxindole moiety in high yields and excellent enantioselectivities with a wide variety of substrates. Notably, the benzazepinone synthesis is atroposelective and an all‐carbon spiro stereocenter is generated.
Spiro über [3+4]: Die asymmetrische NHC‐katalysierte [3+4]‐Anellierung von Isatin‐abgeleiteten Enalen mit Arylsulfonamiden oder Tosylhydrazonen führt zu Spirobenzazepinonen mit Atropselektivität oder zu Spiro‐1,2‐diazepinonen mit Oxindol‐Einheit. Die Reaktionen laufen mit vielfältigen Substraten, hohen Ausbeuten und exzellenten Enantioselektivitäten ab.</description><subject>1,2-Diazepinon</subject><subject>2-Diazepinon</subject><subject>Asymmetrische Synthesen</subject><subject>Asymmetry</subject><subject>Bearing</subject><subject>Benzazepinon</subject><subject>Chemical reactions</subject><subject>Chemistry</subject><subject>N-heterocyclische Carbene</subject><subject>Organic chemistry</subject><subject>Spiroverbindungen</subject><subject>Strategy</subject><subject>Substrates</subject><subject>Synthesis</subject><subject>Synthesis (chemistry)</subject><issn>0044-8249</issn><issn>1521-3757</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><recordid>eNqFkcFu1DAQhiMEEkvhytkSFyTIdhwncXyMtmWL1C4rWuCAkOV4J9QlawfbS8m-AW_drIKqigunGc1832ikP0leUphTgOxY2e84z4CWkFdUPEpmtMhoynjBHyczgDxPqywXT5NnIdwAQJlxMUv-1GHYbjF6o8nlYOM1BhOIa8llb7xr0O7VHntjncVAbk28JnX0rncBO9TR_DJxIMpuJjylb7P0xDwwmoGszhbpQkXVDXvckK_sTf6N1NbuOhWNs-QjKn1owvPkSau6gC_-1qPk07vTq8VZev5h-X5Rn6c6Y0ykFeOVKjjqhmoAzVDkDBrM2rYtuOBNQWkroFHjXAkUCvNq3EHDqWb5pqjYUfJ6utt793OHIcqtCRq7Tll0uyBpxYoSOKtgRF_9g964nbfjdyNFCw4MssPB-URp70Lw2Mrem63yg6QgD8nIQzLyPplREJNwazoc_kPLerU8feimk2tCxN_3rvI_ZMnHrOWX1VKuy88Xq7xayzW7A-o6oyM</recordid><startdate>20160905</startdate><enddate>20160905</enddate><creator>Wang, Lei</creator><creator>Li, Sun</creator><creator>Blümel, Marcus</creator><creator>Philipps, Arne R.</creator><creator>Wang, Ai</creator><creator>Puttreddy, Rakesh</creator><creator>Rissanen, Kari</creator><creator>Enders, Dieter</creator><general>Blackwell Publishing Ltd</general><general>Wiley Subscription Services, Inc</general><scope>BSCLL</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>20160905</creationdate><title>Asymmetric Synthesis of Spirobenzazepinones with Atroposelectivity and Spiro-1,2-Diazepinones by NHC-Catalyzed [3+4] Annulation Reactions</title><author>Wang, Lei ; Li, Sun ; Blümel, Marcus ; Philipps, Arne R. ; Wang, Ai ; Puttreddy, Rakesh ; Rissanen, Kari ; Enders, Dieter</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c2339-8378a57ecb1c00c3e9430be2fff5797b511f90bae94a9e9ae482ff0b71c34d583</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2016</creationdate><topic>1,2-Diazepinon</topic><topic>2-Diazepinon</topic><topic>Asymmetrische Synthesen</topic><topic>Asymmetry</topic><topic>Bearing</topic><topic>Benzazepinon</topic><topic>Chemical reactions</topic><topic>Chemistry</topic><topic>N-heterocyclische Carbene</topic><topic>Organic chemistry</topic><topic>Spiroverbindungen</topic><topic>Strategy</topic><topic>Substrates</topic><topic>Synthesis</topic><topic>Synthesis (chemistry)</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Wang, Lei</creatorcontrib><creatorcontrib>Li, Sun</creatorcontrib><creatorcontrib>Blümel, Marcus</creatorcontrib><creatorcontrib>Philipps, Arne R.</creatorcontrib><creatorcontrib>Wang, Ai</creatorcontrib><creatorcontrib>Puttreddy, Rakesh</creatorcontrib><creatorcontrib>Rissanen, Kari</creatorcontrib><creatorcontrib>Enders, Dieter</creatorcontrib><collection>Istex</collection><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Angewandte Chemie</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Wang, Lei</au><au>Li, Sun</au><au>Blümel, Marcus</au><au>Philipps, Arne R.</au><au>Wang, Ai</au><au>Puttreddy, Rakesh</au><au>Rissanen, Kari</au><au>Enders, Dieter</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Asymmetric Synthesis of Spirobenzazepinones with Atroposelectivity and Spiro-1,2-Diazepinones by NHC-Catalyzed [3+4] Annulation Reactions</atitle><jtitle>Angewandte Chemie</jtitle><addtitle>Angew. Chem</addtitle><date>2016-09-05</date><risdate>2016</risdate><volume>128</volume><issue>37</issue><spage>11276</spage><epage>11280</epage><pages>11276-11280</pages><issn>0044-8249</issn><eissn>1521-3757</eissn><abstract>A strategy for the NHC‐catalyzed asymmetric synthesis of spirobenzazepinones, spiro‐1,2‐diazepinones, and spiro‐1,2‐oxazepinones has been developed via [3+4]‐cycloaddition reactions of isatin‐derived enals (3C component) with in‐situ‐generated aza‐o‐quinone methides, azoalkenes, and nitrosoalkenes (4atom components). The [3+4] annulation strategy leads to the seven‐membered target spiro heterocycles bearing an oxindole moiety in high yields and excellent enantioselectivities with a wide variety of substrates. Notably, the benzazepinone synthesis is atroposelective and an all‐carbon spiro stereocenter is generated.
Spiro über [3+4]: Die asymmetrische NHC‐katalysierte [3+4]‐Anellierung von Isatin‐abgeleiteten Enalen mit Arylsulfonamiden oder Tosylhydrazonen führt zu Spirobenzazepinonen mit Atropselektivität oder zu Spiro‐1,2‐diazepinonen mit Oxindol‐Einheit. Die Reaktionen laufen mit vielfältigen Substraten, hohen Ausbeuten und exzellenten Enantioselektivitäten ab.</abstract><cop>Weinheim</cop><pub>Blackwell Publishing Ltd</pub><doi>10.1002/ange.201604819</doi><tpages>5</tpages></addata></record> |
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subjects | 1,2-Diazepinon 2-Diazepinon Asymmetrische Synthesen Asymmetry Bearing Benzazepinon Chemical reactions Chemistry N-heterocyclische Carbene Organic chemistry Spiroverbindungen Strategy Substrates Synthesis Synthesis (chemistry) |
title | Asymmetric Synthesis of Spirobenzazepinones with Atroposelectivity and Spiro-1,2-Diazepinones by NHC-Catalyzed [3+4] Annulation Reactions |
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