Separation of Camptothecin by Ethanol/K2CO3 Aqueous Two-Phase System Containing Tetramethylguanidine View Full Text


Ontology type: schema:ScholarlyArticle     


Article Info

DATE

2017-09

AUTHORS

Jian Zhu, Zhi-Min Jin

ABSTRACT

Insoluble camptothecin was converted into the corresponding hydrosoluble analog, camptothecin carboxylate, by using 1,1,3,3-tetramethylguanidine as hydrolyzing agent. The ethanol/K2CO3/H2O aqueous two-phase system was established to extract the hydrosoluble camptothecin carboxylate. Through two-stage extraction from crude camptothecin of 5.4%, purity, final hydrosoluble camptothecin was obtained with a purity of 98.5% at a total yield of 78.4%. More... »

PAGES

491-493

Identifiers

URI

http://scigraph.springernature.com/pub.10.1007/s11094-017-1640-1

DOI

http://dx.doi.org/10.1007/s11094-017-1640-1

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1092151852


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