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• W2123702961 endingPage "2884" @default.
• W2123702961 startingPage "2874" @default.
• W2123702961 abstract "Abstract This work was aimed at preparing o ‐(6′‐nitrocyclohex‐3′‐en‐1′‐yl)phenol and tetrahydro‐6 H ‐benzo[ c ]chromen‐6‐ol derivatives in three steps starting from salicylaldehydes. Initially 3‐acetylcoumarins were prepared in the absence of solvent using a solid base catalyst such as PS‐TBD. In the second step, the Diels–Alder reactions of 3‐nitrocoumarins and 3‐acetylcoumarins under thermal conditions or in the presence of hafnium chloride yielded the corresponding tetrahydrobenzo[ c ]chromenones. The final part of the work was dedicated to the transformation of nitro‐tetrahydrobenzo[ c ]chromenones into o ‐(6′‐nitrocyclohex‐3′‐en‐1′‐yl)phenol derivatives in aqueous medium and to the conversion of acetyl tetrahydrobenzo[ c ]chromenones into the corresponding tetrahydro‐6 H ‐benzo[ c ]chromen‐6‐ol derivatives in tetrahydrofuran (THF), in the presence of tetrabutylammonium fluoride (TBAF) on silica. In every case the diastereoselectivity was complete and the reaction yields were high." @default.
• W2123702961 created "2016-06-24" @default.
• W2123702961 creator A5045248901 @default.
• W2123702961 creator A5056568396 @default.
• W2123702961 creator A5064190091 @default.
• W2123702961 creator A5069161408 @default.
• W2123702961 creator A5081270850 @default.
• W2123702961 date "2011-04-05" @default.
• W2123702961 modified "2023-10-05" @default.
• W2123702961 title "Diastereoselective Three‐Step Route to <i>o</i>‐(6‐Nitrocyclohex‐3‐en‐1‐yl)phenol and Tetrahydro‐6<i>H</i>‐benzo[<i>c</i>]chromen‐6‐ol Derivatives from Salicylaldehydes" @default.
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• W2123702961 doi "https://doi.org/10.1002/ejoc.201001476" @default.
• W2123702961 hasPublicationYear "2011" @default.
• W2123702961 type Work @default.
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