Efficient and convenient copper-free Pd(OAc) sub(2)/Ruphos-catalyzed Sonogashira coupling in the preparation of corfin analogues
The Sonogashira coupling reaction of 3-chloro-1H-isochromen-1-one and terminal alkynes, in the presence of catalytic system-Pd(OAc) sub(2)/Ruphos, Et sub(3)N base, and tetrahydrofuran solvent under aqueous conditions, provided novel 3-(alkynyl)-1H-isochromen-1-ones in excellent yields. The methodolo...
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| Veröffentlicht in: | Tetrahedron letters 2015-02, Vol.56 (6), p.784-788 |
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| container_title | Tetrahedron letters |
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| creator | Dasaradhan, Changalaraya Kumar, Yadavalli Suneel Prabakaran, Kamalakannan Khan, Fazlur-Rahman Nawaz Jeong, Euh Duck Chung, Eun Hyuk |
| description | The Sonogashira coupling reaction of 3-chloro-1H-isochromen-1-one and terminal alkynes, in the presence of catalytic system-Pd(OAc) sub(2)/Ruphos, Et sub(3)N base, and tetrahydrofuran solvent under aqueous conditions, provided novel 3-(alkynyl)-1H-isochromen-1-ones in excellent yields. The methodology has also been extended toward natural isochromen-1-ones-corfin analogues. |
| doi_str_mv | 10.1016/j.tetlet.2014.12.059 |
| format | Article |
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| fulltext | fulltext |
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| ispartof | Tetrahedron letters, 2015-02, Vol.56 (6), p.784-788 |
| issn | 0040-4039 |
| language | eng |
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| source | ScienceDirect Journals (5 years ago - present) |
| subjects | Alkynes Catalysis Chemical reactions Coupling (molecular) Solvents Terminals Tetrahedrons Tetrahydrofuran |
| title | Efficient and convenient copper-free Pd(OAc) sub(2)/Ruphos-catalyzed Sonogashira coupling in the preparation of corfin analogues |
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