14.9. 6 Benzothiopyranones and Benzothiopyranthiones (Update 2019)
Book
Editors: Jiang, X.; Paquin, J.-F.; Terent'ev, A. ; Wang, M.
Title: Knowledge Updates 2019/3
Print ISBN: 9783132429673; Online ISBN: 9783132429703; Book DOI: 10.1055/b-006-166044
1st edition © 2020 Thieme. All rights reserved.
Georg Thieme Verlag, Stuttgart
Subjects: Organic Chemistry;Chemical Reactions, Catalysis;Organometallic Chemistry;Laboratory Techniques, Stoichiometry
Science of Synthesis Knowledge Updates
Parent publication
Title: Science of Synthesis
DOI: 10.1055/b-00000101
Series Editors: Fürstner, A. (Editor-in-Chief); Carreira, E. M.; Faul, M.; Kobayashi, S.; Koch, G.; Molander, G.; Nevado Blazquez, C.; Trost, B. M.; You, S.
Type: Multivolume Edition
Abstract
This chapter is an update to the earlier Science of Synthesis contribution (Section 14.9) describing methods for the synthesis of benzothiopyranones (thiochromenones), benzothiopyranthiones (thiochromenethiones), and related compounds such as 9H-thioxanthen-9-ones and 9H-thioxanthene-9-thiones. General routes to benzothiopyranones involve the intramolecular cyclization of aryl-substituted enones or ynones in the presence of sodium sulfide, and more recent developments with alternative approaches are included herein.
Key words
benzothiopyranones - thiochromenones - thiocoumarins - thiochromenethiones - thioisochromenones - thioisocoumarins - thioisochromenethiones - benzothiopyranthiones - 9H-thioxanthen-9-ones - 9H-thioxanthene-9-thiones - annulation - substituent modification - C-S bond formation-
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