The present invention relates to a regulator of nitrogen-containing heteroaromatic derivatives, a preparation method therefor and the use thereof. In particular, the present invention relates to a compound as shown in the general formula (I), a preparation method therefor and a pharmaceutical composition containing the compound, and the use thereof as a protein tyrosine phosphatase-2C (SHP2) inhibitor in the treatment of diseases or conditions such as leukemia, neuroblastoma, melanoma, breast cancer, lung cancer and colorectal cancer, wherein the definition of each substituent in the general formula (I) is the same as that in the description.

Provided are compounds represented by Formula (I-A) and the pharmaceutically acceptable salts and solvates thereof, wherein R.sup.8, R.sup.9a, R.sup.9b, R.sup.9c, R.sup.9d, X, Y, Z, Z.sup.1, W, and (aa) are as defined as set forth in the specification. Provided are also compounds of Formula (I-A) for use to treat a condition or disorder responsive to Mcl-1 inhibition such as cancer.

##STR00001##

Provided are compounds represented by Formula (I-A) and the pharmaceutically acceptable salts and solvates thereof, wherein R.sup.8, R.sup.9a, R.sup.9b, R.sup.9c, R.sup.9d, X, Y, Z, Z.sup.1, W, and (aa) are as defined as set forth in the specification. Provided are also compounds of Formula (I-A) for use to treat a condition or disorder responsive to Mcl-1 inhibition such as cancer.

##STR00001##

This disclosure is directed, at least in part, to SSTR5 antagonists useful for the treatment of conditions or disorders involving the gut-brain axis. In some embodiments, the SSTR5 antagonists are gut-restricted compounds. In some embodiments, the condition or disorder is a metabolic disorder, such as diabetes, obesity, nonalcoholic steatohepatitis (NASH), or a nutritional disorder such as short bowel syndrome.

The present disclosure provides methods for preparing MCL1 inhibitors or a salt thereof and related key intermediates.

Provided herein are processes for synthesizing mcl-1 inhibitors and intermediates such as compound Z that can be used to prepare them. In particular, provided herein are processes for synthesizing compound A1, and salts or solvates thereof and compound A2, and salts and solvates thereof.

##STR00001##

Provided herein are processes for synthesizing Mcl-1 inhibitors and intermediates such as compound Y that can be used to prepare them where the variable R.sup.1 is as defined herein. In particular, provided herein are processes for synthesizing compound A1, and salts or solvates thereof, compound A2, and salts and solvates thereof, and compound A3 and salts and solvates thereof.

##STR00001##

Provided herein are processes for synthesizing Mcl-1 inhibitors and intermediates such as compound Y that can be used to prepare them where the variable R.sup.1 is as defined herein. In particular, provided herein are processes for synthesizing compound A1, and salts or solvates thereof, compound A2, and salts and solvates thereof, and compound A3 and salts and solvates thereof.

##STR00001##

Provided are a compound for adjusting the activity of an NMDA receptor, and a pharmaceutical composition and the use thereof. In particular, provided are a compound as represented by formula I, a pharmaceutically acceptable salt or ester, a stereoisomer, or a solvate thereof. The compound has the effect of enhancing the activity of the NMDA receptor, and can be used to prepare drugs for preventing/treating depression, anxiety disorder, tension, learning and cognitive defects, neuropathic pain and other diseases,

##STR00001##

Provided are a compound for adjusting the activity of an NMDA receptor, and a pharmaceutical composition and the use thereof. In particular, provided are a compound as represented by formula I, a pharmaceutically acceptable salt or ester, a stereoisomer, or a solvate thereof. The compound has the effect of enhancing the activity of the NMDA receptor, and can be used to prepare drugs for preventing/treating depression, anxiety disorder, tension, learning and cognitive defects, neuropathic pain and other diseases,

##STR00001##