Stereoselective Synthesis of 2,4-Disubstituted Thiochromans Using the Supported Reagent System ‘Na2CO3/SiO2-PPA/SiO2’
Abstract A simple and efficient method has been developed for the stereoselective synthesis of 2,4-disubstituted thiochromans from arylthiols and α,β-unsaturated aldehydes by using an acid- and a base-supported reagent system, Na 2 CO 3 /SiO 2 -PPA/SiO 2 . Michael addition of arylthiol to α,β-unsatu...
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| Veröffentlicht in: | Synlett 2007-02, Vol.2007 (3), p.0387-0390 |
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| Hauptverfasser: | , , , , , |
| Format: | Artikel |
| Sprache: | eng ; jpn |
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| container_end_page | 0390 |
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| container_issue | 3 |
| container_start_page | 0387 |
| container_title | Synlett |
| container_volume | 2007 |
| creator | Aoyama, Tadashi Okada, Kazuyuki Nakajima, Hideaki Matsumoto, Takuo Takido, Toshio Kodomari, Mitsuo |
| description | Abstract
A simple and efficient method has been developed for the stereoselective synthesis of 2,4-disubstituted thiochromans from arylthiols and α,β-unsaturated aldehydes by using an acid- and a base-supported reagent system, Na
2
CO
3
/SiO
2
-PPA/SiO
2
. Michael addition of arylthiol to α,β-unsaturated aldehydes was promoted by Na
2
CO
3
/SiO
2
, and then the product was cyclized in the presence of PPA/SiO
2
. |
| doi_str_mv | 10.1055/s-2007-967935 |
| format | Article |
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A simple and efficient method has been developed for the stereoselective synthesis of 2,4-disubstituted thiochromans from arylthiols and α,β-unsaturated aldehydes by using an acid- and a base-supported reagent system, Na
2
CO
3
/SiO
2
-PPA/SiO
2
. Michael addition of arylthiol to α,β-unsaturated aldehydes was promoted by Na
2
CO
3
/SiO
2
, and then the product was cyclized in the presence of PPA/SiO
2
.</description><identifier>ISSN: 0936-5214</identifier><identifier>EISSN: 1437-2096</identifier><identifier>DOI: 10.1055/s-2007-967935</identifier><language>eng ; jpn</language><subject>letter</subject><ispartof>Synlett, 2007-02, Vol.2007 (3), p.0387-0390</ispartof><rights>Georg Thieme Verlag Stuttgart · New York</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.thieme-connect.de/products/ejournals/pdf/10.1055/s-2007-967935.pdf$$EPDF$$P50$$Gthieme$$H</linktopdf><linktohtml>$$Uhttps://www.thieme-connect.de/products/ejournals/html/10.1055/s-2007-967935$$EHTML$$P50$$Gthieme$$H</linktohtml><link.rule.ids>314,776,780,3005,27901,27902,54534,54535</link.rule.ids></links><search><creatorcontrib>Aoyama, Tadashi</creatorcontrib><creatorcontrib>Okada, Kazuyuki</creatorcontrib><creatorcontrib>Nakajima, Hideaki</creatorcontrib><creatorcontrib>Matsumoto, Takuo</creatorcontrib><creatorcontrib>Takido, Toshio</creatorcontrib><creatorcontrib>Kodomari, Mitsuo</creatorcontrib><title>Stereoselective Synthesis of 2,4-Disubstituted Thiochromans Using the Supported Reagent System ‘Na2CO3/SiO2-PPA/SiO2’</title><title>Synlett</title><addtitle>Synlett</addtitle><description>Abstract
A simple and efficient method has been developed for the stereoselective synthesis of 2,4-disubstituted thiochromans from arylthiols and α,β-unsaturated aldehydes by using an acid- and a base-supported reagent system, Na
2
CO
3
/SiO
2
-PPA/SiO
2
. Michael addition of arylthiol to α,β-unsaturated aldehydes was promoted by Na
2
CO
3
/SiO
2
, and then the product was cyclized in the presence of PPA/SiO
2
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A simple and efficient method has been developed for the stereoselective synthesis of 2,4-disubstituted thiochromans from arylthiols and α,β-unsaturated aldehydes by using an acid- and a base-supported reagent system, Na
2
CO
3
/SiO
2
-PPA/SiO
2
. Michael addition of arylthiol to α,β-unsaturated aldehydes was promoted by Na
2
CO
3
/SiO
2
, and then the product was cyclized in the presence of PPA/SiO
2
.</abstract><doi>10.1055/s-2007-967935</doi><tpages>4</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0936-5214 |
| ispartof | Synlett, 2007-02, Vol.2007 (3), p.0387-0390 |
| issn | 0936-5214 1437-2096 |
| language | eng ; jpn |
| recordid | cdi_thieme_journals_10_1055_s_2007_967935 |
| source | Thieme Connect Journals |
| subjects | letter |
| title | Stereoselective Synthesis of 2,4-Disubstituted Thiochromans Using the Supported Reagent System ‘Na2CO3/SiO2-PPA/SiO2’ |
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