The present invention relates to an indole macrocyclic derivative, a preparation method therefor and an application thereof in medicine. Specifically, the present invention relates to an indole macrocyclic derivative represented by general formula (IM), a preparation method therefor, a pharmaceutical composition containing the derivative, and a use thereof as a therapeutic agent, especially as an MCL-1 inhibitor. Each substituent of general formula (IM) is the same as those defined in the description.

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Engineered non-plant cells that produce a benzylisoquinoline alkaloid product that is a derivative of canadine along a metabolic pathway that converts canadine, or an analog of canadine, to a noscapinoid product are provided. Methods of culturing engineered non-plant cells that produce a noscapinoid product and pharmaceutical compositions are also provided.

Engineered non-plant cells that produce a benzylisoquinoline alkaloid product that is a derivative of canadine along a metabolic pathway that converts canadine, or an analog of canadine, to a noscapinoid product are provided. Methods of culturing engineered non-plant cells that produce a noscapinoid product and pharmaceutical compositions are also provided.

The present invention provides a preparation method for a natural product Trabectedin. Specifically, the present invention provides a preparation method for Et-743. In the method, tyrosine is used as an initial substrate, and after 26 steps of reaction, the Et-743 is synthesized. Raw materials and agents used in the synthetic route can all easily be obtained, reaction conditions are relatively mild, and preparation in large scale can be implemented.

The present invention provides a preparation method for a natural product Trabectedin. Specifically, the present invention provides a preparation method for Et-743. In the method, tyrosine is used as an initial substrate, and after 26 steps of reaction, the Et-743 is synthesized. Raw materials and agents used in the synthetic route can all easily be obtained, reaction conditions are relatively mild, and preparation in large scale can be implemented.

Heterocyclic compounds or pharmaceutically acceptable salt thereof are provided as inhibitors of the KRAS G12C mutant, and compositions containing these compounds which may be used to treat various disease conditions associated with KRAS G12C, such as cancers.

Heterocyclic compounds or pharmaceutically acceptable salt thereof are provided as inhibitors of the KRAS G12C mutant, and compositions containing these compounds which may be used to treat various disease conditions associated with KRAS G12C, such as cancers.

The present invention relates to pharmaceutical agents useful for therapy and/or prophylaxis in a subject, pharmaceutical composition comprising such compounds, and their use as MCL-1 inhibitors, useful for treating diseases such as cancer.

The present invention relates to pharmaceutical agents useful for therapy and/or prophylaxis in a subject, pharmaceutical composition comprising such compounds, and their use as MCL-1 inhibitors, useful for treating diseases such as cancer.

A compound of general formula I, wherein X, R.sub.1-R.sub.4 take various meanings, for use in the treatment of cancer. ##STR00001##