Total Synthesis of the Racemate of Laurolitsine
The total synthesis of laurolitsine was achieved for the first time. This reaction was accomplished in 14 steps with a 2.3% yield (this was calculated using 3-hydroxy-4-methoxybenzaldehyde as the starting material) starting from two simple materials, 3-hydroxy-4-methoxybenzaldehyde and 2-(3-hydroxy-4-methoxyphenyl)acetic acid, and the longest linear sequence consisted of 11 steps. The key steps included an electrophilic addition reaction in which a nitro group was reduced to an amino group using lithium tetrahydroaluminum and a Pd-catalyzed direct biaryl coupling reaction. In this paper, many of the experimental steps were optimized, and an innovative postprocessing method in which 2-(3-(benzyloxy)-4-methoxyphenyl)ethanamine is salted with oxalic acid was proposed.
Medienart: |
E-Artikel |
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Erscheinungsjahr: |
2024 |
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Erschienen: |
2024 |
Enthalten in: |
Zur Gesamtaufnahme - volume:29 |
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Enthalten in: |
Molecules (Basel, Switzerland) - 29(2024), 3 vom: 05. Feb. |
Sprache: |
Englisch |
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Beteiligte Personen: |
Cao, Mingyu [VerfasserIn] |
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Links: |
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Themen: |
Aporphine alkaloid |
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Anmerkungen: |
Date Revised 12.02.2024 published: Electronic Citation Status PubMed-not-MEDLINE |
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doi: |
10.3390/molecules29030745 |
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funding: |
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Förderinstitution / Projekttitel: |
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PPN (Katalog-ID): |
NLM368279774 |
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520 | |a The total synthesis of laurolitsine was achieved for the first time. This reaction was accomplished in 14 steps with a 2.3% yield (this was calculated using 3-hydroxy-4-methoxybenzaldehyde as the starting material) starting from two simple materials, 3-hydroxy-4-methoxybenzaldehyde and 2-(3-hydroxy-4-methoxyphenyl)acetic acid, and the longest linear sequence consisted of 11 steps. The key steps included an electrophilic addition reaction in which a nitro group was reduced to an amino group using lithium tetrahydroaluminum and a Pd-catalyzed direct biaryl coupling reaction. In this paper, many of the experimental steps were optimized, and an innovative postprocessing method in which 2-(3-(benzyloxy)-4-methoxyphenyl)ethanamine is salted with oxalic acid was proposed | ||
650 | 4 | |a Journal Article | |
650 | 4 | |a aporphine alkaloid | |
650 | 4 | |a laurolitsine | |
650 | 4 | |a synthetic route | |
650 | 4 | |a total synthesis | |
700 | 1 | |a Wang, Yiming |e verfasserin |4 aut | |
700 | 1 | |a Zhang, Yong |e verfasserin |4 aut | |
700 | 1 | |a Zhang, Caiyun |e verfasserin |4 aut | |
700 | 1 | |a Chen, Niangen |e verfasserin |4 aut | |
700 | 1 | |a Zhang, Xiaopo |e verfasserin |4 aut | |
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