131538-00-6Relevant articles and documents
METHOD OF PRODUCING ORGANIC MERCAPTO COMPOUND
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Paragraph 0098, (2020/10/21)
PROBLEM TO BE SOLVED: To provide a method of producing an organic mercapto compound using guanylthiourea as a thiating agent. SOLUTION: A method of producing an organic mercapto compound represented by general formula (4), Q3-(SH)n, comprises reacting an alcohol compound represented by general formula (1), Q1-(OH)n, with guanylthiourea represented by chemical formula (2), NH2-C(=S)-NH-C(=NH)-NH2, under an acidic condition, and then hydrolyzing the reaction product. SELECTED DRAWING: None COPYRIGHT: (C)2020,JPOandINPIT
(POLY)THIOL COMPOUND PRODUCTION METHOD
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Paragraph 0089-0092, (2019/12/13)
PROBLEM TO BE SOLVED: To provide an ingredient organic chloro compound and a (poly)thiol compound production method that are capable of realizing a (poly)thiol compound of interest with high yields efficiently and inexpensively in a simple manner. SOLUTION: The (poly)thiol compound production method comprises reacting a thiating agent with an organic chloro compound represented by the general formula (1), where one of A1, A2 and A3 is a chlorine atom and the other two are -S-CH2-CH2-Cl groups. SELECTED DRAWING: None COPYRIGHT: (C)2020,JPO&INPIT
PREPARATION METHOD OF HIGH-QUALITY POLYTHIOL
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Paragraph 0123-0126; 0160, (2020/02/11)
Embodiments relate to a method for manufacturing high-quality polythiol, wherein a manufacturing method can easily and economically remove impurities in thiourea to manufacture polythiol having constant and excellent quality. The method for manufacturing polythiol of embodiments has a low impurity content, thereby having excellent quality.COPYRIGHT KIPO 2020