Journal article
Asymmetric synthesis of the C(6-18) bis(tetrahydropyran)spiroacetal fragment of the lituarines
- Abstract:
-
We describe efforts to achieve a multigram synthesis of the tricyclic spiroacetal core of the lituarines based on the addition of acyl anion equivalent to 4-(2-furyl)butan-2-one (18). We report the first cases of chemoselective Achmatowicz reaction in the presence of a second furan ring that lacks an α-hydroxyl group. The use of lithiated methoxyallene provides an efficient one-step conversion of ketone 18 into a tricyclic Diels-Alder adduct (27). In the final route, asymmetric cyanosilylatio...
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- Publication status:
- Published
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Bibliographic Details
- Journal:
- TETRAHEDRON
- Volume:
- 67
- Issue:
- 27-28
- Pages:
- 5011-5023
- Publication date:
- 2011-07-08
- DOI:
- EISSN:
-
1464-5416
- ISSN:
-
0040-4020
Item Description
- Language:
- English
- Keywords:
- Pubs id:
-
pubs:167630
- UUID:
-
uuid:61d37a5e-092a-43e1-bef0-ce9d6e365cd9
- Local pid:
- pubs:167630
- Source identifiers:
-
167630
- Deposit date:
- 2012-12-19
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- Copyright date:
- 2011
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