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Synthesis of the Fijiolides Dihydropentalene Core and Amino Acid
In this thesis, a stereoselective access to the benzodihydropentalene core structure 79 and the amino acid fragment 81 of the fijiolides was developed. For benzodihydropentalene 79 the synthetic strategy relied on introduction of a styryl moiety onto indenone 84 allowing construction of ring C via r...
में बचाया:
| मुख्य लेखक: | |
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| अन्य लेखक: | |
| स्वरूप: | Dissertation |
| भाषा: | अंग्रेज़ी |
| प्रकाशित: |
Philipps-Universität Marburg
2018
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| विषय: | |
| ऑनलाइन पहुंच: | पीडीएफ पूर्ण पाठ |
| टैग: |
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| सारांश: | In this thesis, a stereoselective access to the benzodihydropentalene core structure 79 and the amino acid fragment 81 of the fijiolides was developed. For benzodihydropentalene 79 the synthetic strategy relied on introduction of a styryl moiety onto indenone 84 allowing construction of ring C via ring closing metathesis. Essential for this strategy was the early introduction of the alcohol at C9, that enabled the cis-arrangement of the previously installed allyl and the styryl moiety. Although the fijiolides` core does not contain a stereocenter at C1, enantioselective introduction of the styryl residue in this position allowed to build up the cyclopentadienol in a stereocontrolled fashion with a high degree of substrate control. |
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| भौतिक वर्णन: | 188 Seiten |
| डिजिटल ऑब्जेक्ट पहचानकर्ता: | 10.17192/z2018.0212 |