The present invention relates to a non-aqueous electrolyte solution additive, and a non-aqueous electrolyte solution for a lithium secondary battery and a lithium secondary battery which include the same, and particularly, to a non-aqueous electrolyte solution additive including a compound based on a cyclic sulfur structure, and a secondary battery in which low-voltage failure due to metal dissolution may be improved by including the same.

The present invention relates to a non-aqueous electrolyte solution additive, and a non-aqueous electrolyte solution for a lithium secondary battery and a lithium secondary battery which include the same, and particularly, to a non-aqueous electrolyte solution additive including a compound based on a cyclic sulfur structure, and a secondary battery in which low-voltage failure due to metal dissolution may be improved by including the same.

A subject of the present invention is the use of a compound having the general formula (I): (I) wherein V, W, X.sub.4, X.sub.5, X.sub.6, X.sub.7, X.sub.4, X.sub.5, X.sub.6, X.sub.7, Y, Y, R.sub.3, R.sub.3, R.sub.4 and R.sub.4 are as defined in any one of claims 1 to 11, for the detection, capture and/or separation of polluting gases, in particular those selected from the group comprising carbon dioxide, methane, sulfur dioxide, nitrogen oxides, carbon monoxide, linear hydrocarbons, linear mono-olefins and their mixtures, and preferably carbon dioxide. Another subject of the invention is a compound of formula (I) wherein V, W, X.sub.4, X.sub.5, X.sub.6, X.sub.7, X.sub.4, X.sub.5, X.sub.6, X.sub.7, Y, Y, R.sub.3, R.sub.3, R.sub.4 and R.sub.4 are as defined in any one of claims 12 to 21. ##STR00001##

A subject of the present invention is the use of a compound having the general formula (I): (I) wherein V, W, X.sub.4, X.sub.5, X.sub.6, X.sub.7, X.sub.4, X.sub.5, X.sub.6, X.sub.7, Y, Y, R.sub.3, R.sub.3, R.sub.4 and R.sub.4 are as defined in any one of claims 1 to 11, for the detection, capture and/or separation of polluting gases, in particular those selected from the group comprising carbon dioxide, methane, sulfur dioxide, nitrogen oxides, carbon monoxide, linear hydrocarbons, linear mono-olefins and their mixtures, and preferably carbon dioxide. Another subject of the invention is a compound of formula (I) wherein V, W, X.sub.4, X.sub.5, X.sub.6, X.sub.7, X.sub.4, X.sub.5, X.sub.6, X.sub.7, Y, Y, R.sub.3, R.sub.3, R.sub.4 and R.sub.4 are as defined in any one of claims 12 to 21. ##STR00001##

The present invention enables provision of a production method for 1,2,3,5,6-pentathiepane, the method comprising, in the following order, step A for reacting a trithiocarbonate, sulfur, and a methane dihalide together using a phase-transfer catalyst in a multilayer system having a water layer and an organic layer, step B for separating the water layer from the organic layer, and step C for stopping the reaction using an acid.

The present invention enables provision of a production method for 1,2,3,5,6-pentathiepane, the method comprising, in the following order, step A for reacting a trithiocarbonate, sulfur, and a methane dihalide together using a phase-transfer catalyst in a multilayer system having a water layer and an organic layer, step B for separating the water layer from the organic layer, and step C for stopping the reaction using an acid.

A method for manufacturing an insecticidal compound and insecticidal compositions comprising the insecticidal compound and methods of use are presented herein. The manufacturing method presented herein allows for a high purity grade of thiocyclam hydrochloride to be synthesized. The insecticidal compositions comprising the thiocyclam hydrochloride can be used for prevention of crop destruction by insects. The use of thiocyclam hydrochloride in insecticidal compositions as described herein can achieve greater efficacy than previously known insecticides, by eliminating the insect pests more reliably and efficiently.

A method for manufacturing an insecticidal compound and insecticidal compositions comprising the insecticidal compound and methods of use are presented herein. The manufacturing method presented herein allows for a high purity grade of thiocyclam hydrochloride to be synthesized. The insecticidal compositions comprising the thiocyclam hydrochloride can be used for prevention of crop destruction by insects. The use of thiocyclam hydrochloride in insecticidal compositions as described herein can achieve greater efficacy than previously known insecticides, by eliminating the insect pests more reliably and efficiently.

A method for manufacturing an insecticidal compound and insecticidal compositions comprising the insecticidal compound and methods of use are presented herein. The manufacturing method presented herein allows for a high purity grade of thiocyclam hydrochloride to be synthesized. The insecticidal compositions comprising the thiocyclam hydrochloride can be used for prevention of crop destruction by insects. The use of thiocyclam hydrochloride in insecticidal compositions as described herein can achieve greater efficacy than previously known insecticides, by eliminating the insect pests more reliably and efficiently.

A method for manufacturing an insecticidal compound and insecticidal compositions comprising the insecticidal compound and methods of use are presented herein. The manufacturing method presented herein allows for a high purity grade of thiocyclam hydrochloride to be synthesized. The insecticidal compositions comprising the thiocyclam hydrochloride can be used for prevention of crop destruction by insects. The use of thiocyclam hydrochloride in insecticidal compositions as described herein can achieve greater efficacy than previously known insecticides, by eliminating the insect pests more reliably and efficiently.