Synthesis and cytotoxicity of 28-carboxymethoxy lupane triterpenoids. Preference of 28- O-acylation over 28- O-alkylation of betulin by ethyl bromoacetate
| Autor: | Aye Mar, Aye, Koohang, Ali, Majewski, Nathan D., Szotek, Erika L., Eiznhamer, David A., Flavin, Michael T., Xu, Ze Qi |
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| Zdroj: | In Chinese Chemical Letters 2009 20(10):1141-1144 |
| Databáze: | ScienceDirect |
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