Anionic 4+2cycloaddition-Retro4+2cycloaddition strategy in the synthesis of psoralen and its isoster

Mausumi Bandyopadhyay; Kalyani Datta; Dipakranjan Mal

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Anionic 4+2cycloaddition-Retro4+2cycloaddition strategy in the synthesis of psoralen and its isoster

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Furan-1,4-dipolar agents 7 and 16e, prepared in few steps from commercially available furoates, have been annulated with bicyclopentadienone 2 to provide pentacyclic frameworks 8 and 17 respectively. Subsequent transformations of 8 and 17 through retro-Diels-Alder reaction and indenol-indanone rearrangement have furnished psoralen precursors 14 and 19. Similarly, oxaindacenone 23 has been prepared in good yield from 21.

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《Journal of the Indian Chemical Society》 |1999年第12期|551-556|共6页
作者
Mausumi Bandyopadhyay; Kalyani Datta; Dipakranjan Mal;
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作者单位

Department of Chemistry, Indian Institute of Technology, Kharagpur-721 302, India;

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正文语种英语
中图分类化学;
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1. ChemInform Abstract: Anionic 4 + 2Cycloaddition — Retro4 + 2cycloaddition Strategy in the Synthesis of Psoralen and Its Isostere. [J] . Mausumi Bandyopadhyay, Kalyani Datta, Dipakranjan Mal Chem Inform . 2000,第40期

机译：ChemInform Abstract: Anionic 4 + 2Cycloaddition — Retro4 + 2cycloaddition Strategy in the Synthesis of Psoralen and Its Isostere.
2. ChemInform Abstract: Anionic 4 + 2 Cycloaddition Strategy to Linear Furocoumarins: Synthesis of 8‐Methoxypsoralen and Its Isoster. [J] . D. MAL, M. BANDHYOPADHYAY, K. DATTAK. V. S. N. MURTY Chem Inform . 1998,第41期

机译：ChemInform Abstract: Anionic 4 + 2 Cycloaddition Strategy to Linear Furocoumarins: Synthesis of 8‐Methoxypsoralen and Its Isoster.
3. Dual Activation Strategy to Achieve C-C Cleavage of Cyclobutanes: Development and Mechanism of Rh and Zn Cocatalyzed 4+2 Cycloaddition of Yne-Vinylcyclobutanones [J] . Zhang Guan-Yu, Zhang Pan, Li Bing-WenLiu KangLi JunYu Zhi-Xiang Journal of the American Chemical Society . 2022,第47期

机译：Dual Activation Strategy to Achieve C-C Cleavage of Cyclobutanes: Development and Mechanism of Rh and Zn Cocatalyzed 4+2 Cycloaddition of Yne-Vinylcyclobutanones
4. Covalent and noncovalent strategies for acenes: synthesis, assembly, and transistor. [O] . 2008

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Anionic 4+2cycloaddition-Retro4+2cycloaddition strategy in the synthesis of psoralen and its isoster

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