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http://hdl.handle.net/11154/2792
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| Title: | Chemical reactivity of phthalides. Relay synthesis of diligustilide, Rel-(3 ' R)-3 ',8 '-dihydrodiligustilide and wallichilide. |
| Authors: | Ríos, MY
Delgado, G
Toscano, RA |
| Issue Date: | 1998 |
| Abstract: | Diels Alder reaction using Z-ligustilide (3) both as diene and dienophile afforded the natural product diligustilide (1). The relay synthesis of 5 from 1 (via situ-selective lactone ring opening, reduction with NaBH4/MeOH and lactonization with SOCl2/THF) was achieved and confirmed the revised structure of 5, a secondary constituent of Ligusticum wallichii. The natural substance wallichilide (8) was also obtained directly from 1. (C) 1998 Elsevier Science Ltd. All rights reserved. |
| URI: | http://hdl.handle.net/11154/2792 |
| ISSN: | 0040-4020 |
| Appears in Collections: | Ciencias
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