The present invention relates to a crystal form and an amorphous form of dezocine analogue hydrochloride, and in particularly, to a crystal form of a compound represented by formula (I) and an amorphous form of a compound represented by formula (II). An X-ray powder diffraction spectrum of the crystal form comprises characteristic peaks at 2θ values of 13.1°±0.2°, 16.8±0.2°, and 18.5±0.2°, and an X-ray powder diffraction spectrum of the amorphous form is shown in FIG. 1.

The present invention relates to a crystal form and an amorphous form of dezocine analogue hydrochloride, and in particularly, to a crystal form of a compound represented by formula (I) and an amorphous form of a compound represented by formula (II). An X-ray powder diffraction spectrum of the crystal form comprises characteristic peaks at 20 values of 13.1°±0.2°, 16.8±0.2°, and 18.5±0.2°, and an X-ray powder diffraction spectrum of the amorphous form is shown in FIG. 1.

The present invention relates to a crystal form and an amorphous form of dezocine analogue hydrochloride, and in particularly, to a crystal form of a compound represented by formula (I) and an amorphous form of a compound represented by formula (II). An X-ray powder diffraction spectrum of the crystal form comprises characteristic peaks at 2θ values of 13.1°±0.2°, 16.8±0.2°, and 18.5±0.2°, and an X-ray powder diffraction spectrum of the amorphous form is shown in FIG. 1.

It is provided herein a benzobicycloalkane derivative, and a preparation method and use thereof. In particular, it is provided herein a compound of Formula (I), or a pharmaceutically acceptable salt, stereoisomer or solvate thereof, a preparation method, and a use thereof in preparation of drugs for treating pain. ##STR00001##

An amorphous form of dezocine analogue hydrochloride is represented by formula (II). An X-ray powder diffraction spectrum of the amorphous form is shown in FIG. 1.

The present invention is directed to novel pleuroniutilin antibiotic compounds, intermediates which are useful for making these novel amibioiic compounds and related methods and pharmaceutical compositions for treating pathogens, especially bacterial infections, including gram negative bacteria and synthesizing these compounds.

Disclosed in the present disclosure is a Dezocine analog, and particularly disclosed are compounds represented by formula (I), (II) and (III), a pharmaceutically acceptable salt or tautomer thereof. ##STR00001##

It is provided herein a benzobicycloalkane derivative, and a preparation method and use thereof. In particular, it is provided herein a compound of Formula (I), or a pharmaceutically acceptable salt, stereoisomer or solvate thereof, a preparation method, and a use thereof in preparation of drugs for treating pain.

##STR00001##

Disclosed in the present disclosure is a Dezocine analogue, and particularly disclosed are compounds represented by formula (I), (II) and (III), a pharmaceutically acceptable salt or tautomer thereof.

##STR00001##

A method to generate cyclic hydrocarbons from farnesene to increase both the density and net heat of combustion of the product fuels.