Hangzhou Bensheng Pharmaceutical Co., Ltd.

Hangzhou Bensheng Pharmaceuticals Co., Ltd.

Bensen Pharmaceutical (shanghai) Corp. Ltd.

Frank Rong

Rongzhen Xu

Fuwen Xie

Hongxi Lai

The present invention relates to the fields of natural medicine and medicinal chemistry, and more particularly to a 1-oxo/acylated-14-acylated oridonin derivative of a general formula (I) or a pharmaceutically acceptable salt thereof, a method for preparing the compounds, a pharmaceutical composition comprising the compounds, and application thereof in preparation of antitumor drugs. 

1-oxo/acylation-14-acylated oridonin derivative, preparation method therefor and application thereof

The present invention belongs to the field of natural medicine and pharmaceutical chemistry, and specifically relates to novel 2-alkyl- or 2-aromatic-substituted tanshinone I derivatives of formula (I) or a pharmaceutically acceptable salt thereof, to a process for the preparation of these compounds, compositions containing such compounds and their use in preparing antineoplastic medicaments. When Z=R, said derivative is 2-alkyl-substituted tanshinone I; when Z=Ar, said derivative is 2-aryl-substituted tanshinone I; when Z=Het, said derivative is 2-heteroaryl- or 2-heterocyclyl-substituted tanshinone I. 

2-alkyl-or-aryl-substituted tanshinone derivatives, and preparation method and application thereof

The present invention belongs to the field of natural medicine and pharmaceutical chemistry and specifically relates to novel aminated homoharringtonine derivatives of formula (I) and a pharmaceutically acceptable salt thereof, to a process for the preparation of these compounds, compositions containing such compounds and their use in preparing antineoplastic medicaments. 

Aminated derivative of homoharringtonine, preparation method therefor, and application thereof

The present invention belongs to the field of natural medicine and pharmaceutical chemistry, and relates to novel homoharringtonine acylated derivatives of formula (I) and formula (II) and a pharmaceutically acceptable salt thereof, to a process for the preparation of these compounds, compositions containing such compounds and their use in preparing antineoplastic medicaments. 

Acylated derivative of homoharringtonine, preparation method therefor, and application thereof

The present invention belongs to the field of natural medicine and pharmaceutical chemistry, and relates to novel Polyphyllin I derivatives of formula (I) that is acylated at the 5'-position of arabinofuranosyl or a pharmaceutically acceptable salt thereof, to a process for the preparation of these compounds, compositions containing such compounds and their use in preparing antineoplastic medicaments. 

Acylation derivatives of paridis saponins I, preparation method therefor and application thereof

The present invention belongs to the field of natural medicine and pharmaceutical chemistry, and specifically relates to novel 2-aminated methylene or 2-esterified methylene tanshinone I derivatives of formula (I) or a pharmaceutically acceptable salt thereof, to a process for the preparation of these compounds, compositions containing such compounds and their use in preparing antineoplastic medicaments. When X is nitrogen, formula I indicates 2-aminated methylene tanshinone I; when X is oxygen, formula I indicates 2-esterified methylene tanshinone I. 

2-aminated methylene or 2-esterified methylene tanshinone derivatives, and preparation method and application thereof

The present invention belongs to the field of natural medicine and pharmaceutical chemistry and specifically relates to novel 7-substituted fangchinoline derivatives of formula (I) and a pharmaceutically acceptable adduct, complex and salt thereof, to a process for the preparation of these compounds, pharmaceutical compositions containing such compounds and their use in preparing antineoplastic medicaments. 

7-substituted Hanfangichin B derivative, and preparation method and use thereof

The present invention relates to a novel dicarboximide derivative of berbamine represented by formula I, including, but not limited to, a phthalimide derivative of berbamine and an aromatic heterocyclic dicarboximide derivative of berbamine, or a pharmaceutically acceptable salt thereof, to a process for preparation of the same, to a pharmaceutical composition comprising said compound and to use thereof in manufacture of an antitumor medicament. 

Dicarboximide derivatives of berbamine, the preparation and use thereof

The present invention belongs to the field of natural medicine and pharmaceutical chemistry, and specifically relates to novel 2-substituted oleanolic acid derivatives of formula (I) or a pharmaceutically acceptable salt thereof, to a process for the preparation of these compounds, compositions containing such compounds and their use in preparing antineoplastic medicaments. 

2-substituted oleanolic acid derivative, method preparing for same, and application thereof

The present invention belongs to the field of natural medicine and pharmaceutical chemistry and specifically relates to novel 5-substituted tetrandrine derivatives of formula (I) and a pharmaceutically acceptable adduct, complex and salt thereof, to a process for the preparation of these compounds, pharmaceutical compositions containing such compounds and their use in preparing antineoplastic medicaments. 

Tetrandrine derivatives with substituted 5-carbon, preparation method and use thereof

The present invention relates to a novel berbamine derivative of formula I or a pharmaceutically acceptable salt thereof, a process for preparation of the same, a pharmaceutical composition comprising said compound and its use in manufacture of an antitumor medicament. 

Heterocyclic aminoberbamine derivatives, the preparation process and use thereof

The present invention belongs to the field of natural medicine and pharmaceutical chemistry, and specifically relates to novel amidated derivatives of oleanolic acid according to formula (I) or a pharmaceutically acceptable salt thereof, to a process for the preparation of these compounds, compositions containing such compounds and their use in preparing antineoplastic medicaments. 

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Zhejiang, China

Frank Rong