| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 5230236 | Tetrahedron | 2007 | 7 Pages |
Abstract
Tabularisins A–D (1–4), a new class of phragmalins incorporating a cyclopropanyl ring, were isolated from Chukrasia tabularis. Compounds 1 and 2 are also the first examples of phragmalins with an 8,9,11-ortho ester. The structures of 1 and 3 were confirmed by single crystal X-ray studies. The absolute configuration of 2 was determined by CD exciton chirality method on its benzoate (2a), and those of 1, 3, and 4 were proposed by correlating with 2 chemically and biogenetically.
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