A chromene compound having at least one indenonaphthopyran moiety which has a group forming a spiro ring together with the 13-position carbon atom and further an oligomer chain group selected from a polyalkylene oxide oligomer chain group having at least three recurring units and a polyester oligomer chain group having at least three recurring units, represented by the following formula and having reduced matrix dependence: ##STR00001##
wherein R.sup.1 and R.sup.2 are each a group which may have an oligomer chain group, the ring Z bonded to the 13-position carbon atom of the chromene compound is a Spiro ring group, and R.sup.3 and R.sup.4 are each an aryl group or heteroaryl group which may have an oligomer chain group. Preferably, the chromene compound has at least one oligomer chain group in the molecule.

The present invention relates to novel compounds of formula (I) or formula (Ia) ##STR00001##
pharmaceutically-acceptable salts, hydrates, solvates, or stereoisomers thereof, and pharmaceutical compositions of these compounds which are useful for preventive and therapeutic use in human and veterinary medicine.

The present invention relates to novel compounds of formula (I) or formula (Ia) ##STR00001##
pharmaceutically-acceptable salts, hydrates, solvates, or stereoisomers thereof, and pharmaceutical compositions of these compounds which are useful for preventive and therapeutic use in human and veterinary medicine.

The present invention relates to a method of preparing an organosulfur compound, and more particularly, to a method of preparing an organosulfur compound including a step of synthesizing an organosulfur compound by reacting specific compounds with a metal hypohalite under a ruthenium catalyst in a mixed solvent containing water and an organic solvent, wherein reaction temperature during the synthesis is 0 to 25° C. According to the present invention, the present invention has an effect of providing an organosulfur compound preparation method capable of preparing an organosulfur compound in high yield due to excellent reaction stability, short reaction time, and reduced side reactions.

The present invention relates to a method of preparing an organosulfur compound, and more particularly, to a method of preparing an organosulfur compound including a step of synthesizing an organosulfur compound by reacting specific compounds with a metal hypohalite under a ruthenium catalyst in a mixed solvent containing water and an organic solvent, wherein reaction temperature during the synthesis is 0 to 25° C. According to the present invention, the present invention has an effect of providing an organosulfur compound preparation method capable of preparing an organosulfur compound in high yield due to excellent reaction stability, short reaction time, and reduced side reactions.

A lithium battery includes a cathode including a cathode active material an anode including an anode active material and an organic electrolytic solution between the cathode and the anode, wherein the cathode includes a carbonaceous nanostructure, and the organic electrolytic solution includes a first lithium salt, an organic solvent, and a bicyclic sulfate-based compound represented by Formula 1 below: ##STR00001## wherein, in Formula 1, each of A.sub.1, A.sub.2, A.sub.3, and A.sub.4 is independently a covalent bond, a substituted or unsubstituted C.sub.1-C.sub.5 alkylene group, a carbonyl group, or a sulfinyl group, in which both A.sub.1 and A.sub.2 are not a covalent bond and both A.sub.3 and A.sub.4 are not a covalent bond.

A lithium battery includes a cathode including a cathode active material an anode including an anode active material and an organic electrolytic solution between the cathode and the anode, wherein the cathode includes a carbonaceous nanostructure, and the organic electrolytic solution includes a first lithium salt, an organic solvent, and a bicyclic sulfate-based compound represented by Formula 1 below: ##STR00001## wherein, in Formula 1, each of A.sub.1, A.sub.2, A.sub.3, and A.sub.4 is independently a covalent bond, a substituted or unsubstituted C.sub.1-C.sub.5 alkylene group, a carbonyl group, or a sulfinyl group, in which both A.sub.1 and A.sub.2 are not a covalent bond and both A.sub.3 and A.sub.4 are not a covalent bond.

Compounds of the formula I ##STR00001## in which X.sup.1, X.sup.2, X.sup.3, X.sup.4, R.sup.1, R.sup.2, R.sup.3, Q and Y have the meanings indicated in claim 1, are inhibitors of c-Kit kinase, and can be employed for the treatment of cancer.

Compounds of the formula I ##STR00001## in which X.sup.1, X.sup.2, X.sup.3, X.sup.4, R.sup.1, R.sup.2, R.sup.3, Q and Y have the meanings indicated in claim 1, are inhibitors of c-Kit kinase, and can be employed for the treatment of cancer.

An organic electrolytic solution, including a first lithium salt, an organic solvent, and a bicyclic sulfate-based compound represented by Formula 1 below: ##STR00001##
wherein, in Formula 1, each of A1, A2, A3, and A4 is independently a covalent bond, a substituted or unsubstituted C1-C5 alkylene group, a carbonyl group, or a sulfinyl group, wherein both A1 and A2 are not a covalent bond and both A3 and A4 are not a covalent bond.