Abstract: A novel substance, 4,4-bis[(ethenyloxy)methyl]cyclohexene having the formula (I), which is low in odor, low in volatility, and low in skin irritability, and therefore, can be used as, for example, a starting material for inks and a starting material for electronic materials, and a method for producing the same are provided:

Abstract: A novel divinyl ether compound having the formula (I): wherein A indicates a single bond or a double bond which is low in odor, low in volatility, and low in skin irritability, which have low toxicities, which are useful as a starting material for a polymer composition having excellent curability, adhesiveness and transmission in the ultraviolet light region, and further, having a special reactivity alone or with other compounds, and a process for producing the same.

Abstract: A novel compound, 1,1-bis[(ethenyloxy)methyl]cyclohexane having the formula (I) and having a low odor, low volatility and low skin irritability, which is useful as a starting material for a polymerization composition having a low toxicity and excellent curability, adhesiveness and transparency in the ultraviolet light region, and having a special reactivity alone or with another compound, and a method for producing the same:

Abstract: A method for efficiently producing high purity vinyl ether represented by the following formula (1) from tertiary alcohol having a low reactivity comprising by reacting acetylene and a tertiary alcohol in the presence of a base using, as a solvent, a cyclic urea compound or glyme compound or mixture thereof: is provided.

Abstract: A novel substance, 4,4-bis[(ethenyloxy)methyl]cyclohexene having the formula (I), which is low in odor, low in volatility, and low in skin irritability, and therefore, can be used as, for example, a starting material for inks and a starting material for electronic materials, and a method for producing the same are provided:

Abstract: A novel divinyl ether compound having the formula (I): wherein A indicates a single bond or a double bond which is low in odor, low in volatility, and low in skin irritability, which have low toxicities, which are useful as a starting material for a polymer composition having excellent curability, adhesiveness and transmission in the ultraviolet light region, and further, having a special reactivity alone or with other compounds, and a process for producing the same.

Abstract: A novel compound, 1,1-bis[(ethenyloxy)methyl]cyclohexane having the formula (I) and having a low odor, low volatility and low skin irritability, which is useful as a starting material for a polymerization composition having a low toxicity and excellent curability, adhesiveness and transparency in the ultraviolet light region, and having a special reactivity alone or with another compound, and a method for producing the same:

Abstract: A method for efficiently producing high purity vinyl ether represented by the following formula (1) from tertiary alcohol having a low reactivity comprising by reacting acetylene and a tertiary alcohol in the presence of a base using, as a solvent, a cyclic urea compound or glyme compound or mixture thereof: is provided.

Abstract: O-isopropyl-isourea hydrogen sulfate or sulfate represented by the formula (I): wherein X represents HSO4 or ½ SO4 and the production method thereof, wherein O-isopropyl-isourea hydrogen sulfate is obtained by reacting cyanamide and isopropyl alcohol in the presence of sulfuric acid and is neutralized with an alkali metal hydroxide to produce O-isopropyl-isourea sulfate.

Abstract: In view of the fact that a methyl vinyl ether, which is useful as a starting material for the synthesis of tetraalkoxypropane useful as a skeleton-forming agent having a high reactivity usable as a starting material, etc. for a pharmaceutical and agrochemical intermediates such as a pyrazole derivative or pyrimidine derivative, particularly 1,1,3,3-tetramethoxypropane, is in a gaseous state and difficult to use for industrial production, tetraalkoxypropane useful as a skeleton-forming agent for a pharmaceutical and agrochemical intermediate such as a pyrazole derivative or pyrimidine derivative is easily produced on an industrial scale by using the industrially useable propoxyvinyl ether, as a starting material, without using a gaseous state methyl vinyl ether.

Abstract: O-isopropyl-isourea hydrogen sulfate or sulfate represented by the formula (I): wherein X represents HSO4 or ½ SO4 and the production method thereof, wherein O-isopropyl-isourea hydrogen sulfate is obtained by reacting cyanamide and isopropyl alcohol in the presence of sulfuric acid and is neutralized with an alkali metal hydroxide to produce O-isopropyl-isourea sulfate.

Abstract: A method of obtaining a high purity 2-cyanoimino-1,3-thiazolidine, at a high yield, by cyclization reaction of dimethyl N-cyanoiminodithiocarbonate ester with 2-aminoethane thiol or the salt thereof in the presence of an alkali metal hydroxide is disclosed.

Abstract: A method of obtaining a high purity 2-cyanoimino-1,3-thiazolidine, at a high yield, by cyclization reaction of dimethyl N-cyanoiminodithiocarbonate ester with 2-aminoethane thiol or the salt thereof in the presence of an alkali metal hydroxide is disclosed.

Abstract: A method for producing high purity 2-cyanoimino-1,3-thiazolidine comprising the steps of: reacting an alkali metal cyanide compound, an alkali metal hydroxide, a lower alcohol and chlorine in an aqueous solution to form an carboimidic acid ester solution, then adding an organic solvent thereto, followed by adding a cyanamide solution to form an N-cyanocarbonimidic acid ester, and further extracting the resultant ester with an organic solvent extracting solution, followed by washing with an aqueous solution of a reducing agent solution to obtain a high purity, stable N-cyanocarbonimidic acid ester as a first step; and reacting the N-cyanocarbonimidic acid ester obtained in the first step with 2-aminoethanethiol to be cyclicized as a second step to thereby obtain a 2-cyanoimino-1,3-thiazolidine.

Abstract: A method for producing high purity 2-cyanoimino-1,3-thiazolidine comprising the steps of:

Abstract: Addition of a dicarboxylic acid such as adipic acid to a cyanamide aqueous solution brings about improvement in storage stability of the cyanamide aqueous solution.

Abstract: A method for producing 3-amino-5-mercapto-1,2,4-triazole, useful as an intermediate compound for a medicine or pesticide, or the intermediate thereof, a salt of N-guanidino thiourea from aminoguanidine thiocyanate or a thiocyanate and an aminoguanidine compound in the presence of an acid in a polar solvent, or even from hydrazine and cyanamide is disclosed.

Abstract: A process for producing 5-aminotetrazole comprising the steps of: reacting cyanamide with hydrazine in a solvent to form a salt of aminoguanidine; adding thereto an acid and then a nitrite to form a salt of diazoguanidine; and cyclizing the salt of diazoguanidine, upon heating, to thereby produce the 5-aminotetrazole, without isolating the intermediate product and also a process for producing 5-aminotetrazole or a metal salt thereof in the form of powder by spray drying.