Scandium-Catalyzed Propargylation of 1,3-Diketones with Propargyl Alcohols Bearing Sulfur or Selenium Functional Groups: Useful Transformation to Furans and Pyrans
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- Ohta Katsuki
- Department of Chemistry, Faculty of Education, Gifu University
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- Kobayashi Taira
- Department of Chemistry, Faculty of Education, Gifu University
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- Tanabe Genzoh
- School of Pharmacy, Kinki University
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- Muraoka Osamu
- School of Pharmacy, Kinki University
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- Yoshimatsu Mitsuhiro
- Department of Chemistry, Faculty of Education, Gifu University
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抄録
Propargylations of 1,3-diketones using 3-sulfanyl and 3-selanylpropargyl alcohols 1 in MeNO2–H2O gave alkynyl ketones 2a—m, 2o—v and 6,7-dihydro-5H-cyclohexa[b]pyran-5-ones 3k—n. With some bases, the useful propargylated 1,3-diketones underwent intramolecular cyclization to give 6,7-dihydro-5H-benzofuran-4-ones 4a—i or 4,5,6,7-tetrahydrobenzofurans 5p, 6p—v.
収録刊行物
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- ＣＨＥＭＩＣＡＬ ＆ ＰＨＡＲＭＡＣＥＵＴＩＣＡＬ ＢＵＬＬＥＴＩＮ
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ＣＨＥＭＩＣＡＬ ＆ ＰＨＡＲＭＡＣＥＵＴＩＣＡＬ ＢＵＬＬＥＴＩＮ 58 (9), 1180-1186, 2010
公益社団法人 日本薬学会
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詳細情報 詳細情報について
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- CRID
- 1390282679149631360
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- NII論文ID
- 130000324592
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- NII書誌ID
- AA00602100
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- ISSN
- 13475223
- 00092363
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- NDL書誌ID
- 10796441
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
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- 使用不可