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SICHUAN XIELI PHARMACEUTICAL CO., LTD.
Pengzhou, Sichuan, CN
| SICHUAN XIELI PHARMACEUTICAL CO., LTD. Patent applications | ||
| Patent application number | Title | Published |
|---|---|---|
| 20110112298 | METHOD FOR PRODUCING CAMPTOTHECIN DERIVATIVES - The invention offers a method of hydrogenating camptothecin in inert solvent in the presence of nickel catalyst, whereby selective hydrogenation of camptothecin can be very efficiently accomplished using the low-cost catalyst. | 05-12-2011 |