1,3-티아졸리딘술폭시드의 디히드로-1,4-티아진 유도체로의 전위에 관한 연구

4-Acetyl-5,6-dihydro-2-methyl-1,4-thiazine carboxylic acid derivatives 24 were prepared by ring expansion of corresponding thiazolidine sulfoxides. Oxidation of 2-methyl-1,3-thiazolidine-2-acetic acid derivatives 12 gave a mixture of cis and trans sulfoxides, 14 and 15. Assignments of the cis and tr...

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Veröffentlicht in:Journal of the Korean Chemical Society 1989, Vol.33 (2), p.247-256
Hauptverfasser: 이화석(Wha Suk Lee), 한호규(Hoh Gyu Hahn), 마혜덕(He-Duck Mah)
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description 4-Acetyl-5,6-dihydro-2-methyl-1,4-thiazine carboxylic acid derivatives 24 were prepared by ring expansion of corresponding thiazolidine sulfoxides. Oxidation of 2-methyl-1,3-thiazolidine-2-acetic acid derivatives 12 gave a mixture of cis and trans sulfoxides, 14 and 15. Assignments of the cis and trans sulfoxides were based on the $^1HNMR$ and IR spectroscopy and regioselectivity of deuterium exchange reaction. With PTSA as acid catalyst both the cis and trans sulfoxide, 14 and 15 were transformed via sulfenic acid 18 to dihydro-1,4-thiazine 24. However, under the neutral conditions (in DMF at $100^{\circ}C$) the trans sulfoxides 15 rearranged via sulfenic acid 21 to isomeric dihydrothiazines 27. The mechanism of formations of 24 and 27 is also discussed. 4-아세틸-5,6-디히드로-2-메틸-1,4-티아진-3-카르복실산 유도체 24를 상응하는 티아졸리딘 술폭시드의 고리확대에 의하여 제조하였다. 2-메틸-1,3-티아졸라딘-2-아세트산 유도체 12를 산화하여 시스와 트랜스 술폭시드, 14 및 15를 얻었으며 이들의 구조는 수소핵자기 공명스펙트럼, 적외선 흡수스펙트럼, 그리고 중수소 치환반응에 의한 regioselectivity에 근거하여 결정하였다. 산촉매 존재하에서 시스와트랜스 술폭시드, 14 및 15는 중간체 술페닌산 18을 거쳐 디히드로-1,4-티아진 24로 전환되었다. 그러나 중성조건($100^{\circ}C$의 DMF)에서 트랜스 술폭시드 15는 중간체 술페닌산 21을 거쳐 isomeric 디히드로-1,4-티아진 27로 전환하였다. 화합물 24와 27의 생성반응기전도 논의하였다.
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Oxidation of 2-methyl-1,3-thiazolidine-2-acetic acid derivatives 12 gave a mixture of cis and trans sulfoxides, 14 and 15. Assignments of the cis and trans sulfoxides were based on the $^1HNMR$ and IR spectroscopy and regioselectivity of deuterium exchange reaction. With PTSA as acid catalyst both the cis and trans sulfoxide, 14 and 15 were transformed via sulfenic acid 18 to dihydro-1,4-thiazine 24. However, under the neutral conditions (in DMF at $100^{\circ}C$) the trans sulfoxides 15 rearranged via sulfenic acid 21 to isomeric dihydrothiazines 27. The mechanism of formations of 24 and 27 is also discussed. 4-아세틸-5,6-디히드로-2-메틸-1,4-티아진-3-카르복실산 유도체 24를 상응하는 티아졸리딘 술폭시드의 고리확대에 의하여 제조하였다. 2-메틸-1,3-티아졸라딘-2-아세트산 유도체 12를 산화하여 시스와 트랜스 술폭시드, 14 및 15를 얻었으며 이들의 구조는 수소핵자기 공명스펙트럼, 적외선 흡수스펙트럼, 그리고 중수소 치환반응에 의한 regioselectivity에 근거하여 결정하였다. 산촉매 존재하에서 시스와트랜스 술폭시드, 14 및 15는 중간체 술페닌산 18을 거쳐 디히드로-1,4-티아진 24로 전환되었다. 그러나 중성조건($100^{\circ}C$의 DMF)에서 트랜스 술폭시드 15는 중간체 술페닌산 21을 거쳐 isomeric 디히드로-1,4-티아진 27로 전환하였다. 화합물 24와 27의 생성반응기전도 논의하였다.</description><identifier>ISSN: 1017-2548</identifier><identifier>EISSN: 2234-8530</identifier><language>kor</language><publisher>대한화학회</publisher><ispartof>Journal of the Korean Chemical Society, 1989, Vol.33 (2), p.247-256</ispartof><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,314,780,784,885,4024</link.rule.ids></links><search><creatorcontrib>이화석(Wha Suk Lee)</creatorcontrib><creatorcontrib>한호규(Hoh Gyu Hahn)</creatorcontrib><creatorcontrib>마혜덕(He-Duck Mah)</creatorcontrib><title>1,3-티아졸리딘술폭시드의 디히드로-1,4-티아진 유도체로의 전위에 관한 연구</title><title>Journal of the Korean Chemical Society</title><addtitle>Journal of the Korean Chemical Society</addtitle><description>4-Acetyl-5,6-dihydro-2-methyl-1,4-thiazine carboxylic acid derivatives 24 were prepared by ring expansion of corresponding thiazolidine sulfoxides. Oxidation of 2-methyl-1,3-thiazolidine-2-acetic acid derivatives 12 gave a mixture of cis and trans sulfoxides, 14 and 15. Assignments of the cis and trans sulfoxides were based on the $^1HNMR$ and IR spectroscopy and regioselectivity of deuterium exchange reaction. With PTSA as acid catalyst both the cis and trans sulfoxide, 14 and 15 were transformed via sulfenic acid 18 to dihydro-1,4-thiazine 24. However, under the neutral conditions (in DMF at $100^{\circ}C$) the trans sulfoxides 15 rearranged via sulfenic acid 21 to isomeric dihydrothiazines 27. The mechanism of formations of 24 and 27 is also discussed. 4-아세틸-5,6-디히드로-2-메틸-1,4-티아진-3-카르복실산 유도체 24를 상응하는 티아졸리딘 술폭시드의 고리확대에 의하여 제조하였다. 2-메틸-1,3-티아졸라딘-2-아세트산 유도체 12를 산화하여 시스와 트랜스 술폭시드, 14 및 15를 얻었으며 이들의 구조는 수소핵자기 공명스펙트럼, 적외선 흡수스펙트럼, 그리고 중수소 치환반응에 의한 regioselectivity에 근거하여 결정하였다. 산촉매 존재하에서 시스와트랜스 술폭시드, 14 및 15는 중간체 술페닌산 18을 거쳐 디히드로-1,4-티아진 24로 전환되었다. 그러나 중성조건($100^{\circ}C$의 DMF)에서 트랜스 술폭시드 15는 중간체 술페닌산 21을 거쳐 isomeric 디히드로-1,4-티아진 27로 전환하였다. 화합물 24와 27의 생성반응기전도 논의하였다.</description><issn>1017-2548</issn><issn>2234-8530</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1989</creationdate><recordtype>article</recordtype><sourceid>JDI</sourceid><recordid>eNpFjr9Lw0AcxQ9RsNT-D1ncenDf-5G7jKXWn8Uu3cOlSSC0Fml0cHPIUOhQwZZ2iNIuulQoUsG_qbn8D0ZUnN57vA-Pt4NKlDKOlWBkF5WAgMRUcLWPKnEceUQwJiVxWAkFUGU4H63NNDHLz-xllU3mZrjIx29mlGaPqXmaW9lkkj8Pi5AtUwxV_se_JpZJF9k4Me-bovpGzSIxaWJmD9Z2c59PU8vM1tuP1QHaC3UvDiq_Wkbt40a7foqbrZOzeq2Ju4oC7ggA0QHpg-KhCqRHqa0DAC_wAipD0J5XFOAwrhRoX9paSU5UR4VSKKUJK6PDn9luFN9Ebt-Pe-557aIFjnKAcZsL4tjK-ef6t4PoKvAj7V4XRg_u3MvWUaN4wcHmwL4A63J5xg</recordid><startdate>1989</startdate><enddate>1989</enddate><creator>이화석(Wha Suk Lee)</creator><creator>한호규(Hoh Gyu Hahn)</creator><creator>마혜덕(He-Duck Mah)</creator><general>대한화학회</general><scope>DBRKI</scope><scope>TDB</scope><scope>JDI</scope></search><sort><creationdate>1989</creationdate><title>1,3-티아졸리딘술폭시드의 디히드로-1,4-티아진 유도체로의 전위에 관한 연구</title><author>이화석(Wha Suk Lee) ; 한호규(Hoh Gyu Hahn) ; 마혜덕(He-Duck Mah)</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-k821-c5115c17d184f8e7b226ae11bebe27f1abb84f1934881ad76a87408c8f7588a03</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>kor</language><creationdate>1989</creationdate><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>이화석(Wha Suk Lee)</creatorcontrib><creatorcontrib>한호규(Hoh Gyu Hahn)</creatorcontrib><creatorcontrib>마혜덕(He-Duck Mah)</creatorcontrib><collection>DBPIA - 디비피아</collection><collection>Nurimedia DBPIA Journals</collection><collection>KoreaScience</collection><jtitle>Journal of the Korean Chemical Society</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>이화석(Wha Suk Lee)</au><au>한호규(Hoh Gyu Hahn)</au><au>마혜덕(He-Duck Mah)</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>1,3-티아졸리딘술폭시드의 디히드로-1,4-티아진 유도체로의 전위에 관한 연구</atitle><jtitle>Journal of the Korean Chemical Society</jtitle><addtitle>Journal of the Korean Chemical Society</addtitle><date>1989</date><risdate>1989</risdate><volume>33</volume><issue>2</issue><spage>247</spage><epage>256</epage><pages>247-256</pages><issn>1017-2548</issn><eissn>2234-8530</eissn><abstract>4-Acetyl-5,6-dihydro-2-methyl-1,4-thiazine carboxylic acid derivatives 24 were prepared by ring expansion of corresponding thiazolidine sulfoxides. Oxidation of 2-methyl-1,3-thiazolidine-2-acetic acid derivatives 12 gave a mixture of cis and trans sulfoxides, 14 and 15. Assignments of the cis and trans sulfoxides were based on the $^1HNMR$ and IR spectroscopy and regioselectivity of deuterium exchange reaction. With PTSA as acid catalyst both the cis and trans sulfoxide, 14 and 15 were transformed via sulfenic acid 18 to dihydro-1,4-thiazine 24. However, under the neutral conditions (in DMF at $100^{\circ}C$) the trans sulfoxides 15 rearranged via sulfenic acid 21 to isomeric dihydrothiazines 27. The mechanism of formations of 24 and 27 is also discussed. 4-아세틸-5,6-디히드로-2-메틸-1,4-티아진-3-카르복실산 유도체 24를 상응하는 티아졸리딘 술폭시드의 고리확대에 의하여 제조하였다. 2-메틸-1,3-티아졸라딘-2-아세트산 유도체 12를 산화하여 시스와 트랜스 술폭시드, 14 및 15를 얻었으며 이들의 구조는 수소핵자기 공명스펙트럼, 적외선 흡수스펙트럼, 그리고 중수소 치환반응에 의한 regioselectivity에 근거하여 결정하였다. 산촉매 존재하에서 시스와트랜스 술폭시드, 14 및 15는 중간체 술페닌산 18을 거쳐 디히드로-1,4-티아진 24로 전환되었다. 그러나 중성조건($100^{\circ}C$의 DMF)에서 트랜스 술폭시드 15는 중간체 술페닌산 21을 거쳐 isomeric 디히드로-1,4-티아진 27로 전환하였다. 화합물 24와 27의 생성반응기전도 논의하였다.</abstract><pub>대한화학회</pub><tpages>10</tpages><oa>free_for_read</oa></addata></record>
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title 1,3-티아졸리딘술폭시드의 디히드로-1,4-티아진 유도체로의 전위에 관한 연구
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