The disclosure relates to compounds of the formulae (I)-(IV) and their use as substrates for making terpenoids. New substrates for terpene biosynthesis and methods for making new types of terpenes are described herein. Diterpenes occupy a unique molecular space with critical pharmaceutical applications over a diverse spectrum including anti-microbial, anti-cancer, immunomodulatory and psychoactive properties.

The present invention provides an organophosphorus compound, a preparation process and use thereof. The organophosphorus compound of the present invention has a structure as represented by the general formula (I):

##STR00001##

The groups are defined in the description. The organophosphorus compound of the present invention has prominent bearing capacity and excellent antiwear and antifriction performances, and can be used as an extreme pressure antiwear additive and used in lubricating oil and lubricating grease.

The present invention relates to a method for the detection and quantification of fosfomycin and impurities and/or degradation products thereof in samples of fosfomycin or a pharmaceutically acceptable salt thereof or in pharmaceutical compositions comprising fosfomycin or a pharmaceutically acceptable salt thereof. The present invention further relates to a process for manufacturing fosfomycin, or a pharmaceutically acceptable salt thereof having a specified purity degree, as well as to the fosfomycin or a pharmaceutically acceptable salt thereof as obtained. The present invention further relates to a process for manufacturing a pharmaceutical composition comprising fosfomycin or a pharmaceutically acceptable salt thereof and at least one pharmaceutically acceptable excipient having a specified purity degree, as well as to the pharmaceutical composition as obtained.

A flame retardant sugar-derived molecule, a process for forming a flame retardant sugar-derived molecule, and an article of manufacture comprising a flame retardant sugar-derived molecule are disclosed. The flame retardant sugar-derived molecule can be synthesized from arabitol, xylitol, arabic acid, or xylonic acid obtained from a bio-based source, and can have at least one phosphoryl or phosphonyl moiety. The process for forming the flame retardant sugar-derived molecule can include reacting arabitol, xylitol, arabic acid, or xylonic acid and a flame retardant phosphorus-based molecule to form the flame retardant sugar-derived molecule.

A flame-retardant sugar derivative, a process for forming a flame-retardant sugar derivative, and an article of manufacture comprising a flame-retardant sugar derivative are disclosed. The flame-retardant sugar derivative can be synthesized from sorbitol, gluconic acid, or glucaric acid obtained from a bio-based source, and can have at least one phosphoryl or phosphonyl moiety. The process for forming the flame-retardant sugar derivative can include reacting sorbitol, gluconic acid, or glucaric acid and a flame-retardant phosphorus-based molecule to form the flame-retardant sugar derivative.

A limonene-based flame-retardant compound, a method of making a flame-retardant polymer, and an article of manufacture comprising a material that includes a limonene-based flame-retardant compound are provided. In an embodiment, the method includes forming a limonene-based derivative; forming a phosphorus-based flame-retardant molecule; reacting the limonene-based derivative with the phosphorus-based flame-retardant molecule to form a limonene-based flame-retardant compound; and forming a flame-retardant polymer from the limonene-based flame-retardant compound. In some embodiments, the limonene-based flame-retardant compound has variable functionality including vinyl, epoxide, methylene bridges, and thioethers.

A limonene-based flame-retardant compound, a method of making a flame-retardant polymer, and an article of manufacture comprising a material that includes a limonene-based flame-retardant compound are provided. In an embodiment, the method includes forming a limonene-based derivative; forming a phosphorus-based flame-retardant molecule; reacting the limonene-based derivative with the phosphorus-based flame-retardant molecule to form a limonene-based flame-retardant compound; and forming a flame-retardant polymer from the limonene-based flame-retardant compound. In some embodiments, the limonene-based flame-retardant compound has variable functionality including vinyl, epoxide, methylene bridges, and thioethers.

A flame retardant sugar-derived molecule, a process for forming a flame retardant sugar-derived molecule, and an article of manufacture comprising a flame retardant sugar-derived molecule are disclosed. The flame retardant sugar-derived molecule can be synthesized from arabitol, xylitol, arabic acid, or xylonic acid obtained from a bio-based source, and can have at least one phosphoryl or phosphonyl moiety. The process for forming the flame retardant sugar-derived molecule can include reacting arabitol, xylitol, arabic acid, or xylonic acid and a flame retardant phosphorus-based molecule to form the flame retardant sugar-derived molecule.

A pinene-based flame retardant compound, a process for forming a flame retardant polymer, and an article of manufacture comprising a material that contains a pinene-based flame retardant polymer are disclosed. The pinene-based flame retardant compound includes a pinene derivative core and at least one flame retardant substituent having a phosphorus-based moiety. The process for forming the flame retardant polymer includes obtaining pinene, forming a derivative of pinene, obtaining a phosphorus-based compound, reacting the phosphorus-based compound and the pinene derivative to form a pinene-based flame retardant compound, and incorporating the pinene-based flame retardant compound into a polymer to form the pinene-based flame retardant polymer.

A limonene-based flame-retardant compound, a method of making a flame-retardant polymer, and an article of manufacture comprising a material that includes a limonene-based flame-retardant compound. In an embodiment, the method includes forming a limonene-based derivative; forming a phosphorus-based flame-retardant molecule; reacting the limonene-based derivative with the phosphorus-based flame-retardant molecule to form a limonene-based flame-retardant compound; and forming a flame-retardant polymer from the limonene-based flame-retardant compound. In some embodiments, the limonene-based flame-retardant compound has variable functionality including vinyl, epoxide, methylene bridges, and thioethers.