METHOD OF PRODUCING BLOCKED ISOCYANATE

PROBLEM TO BE SOLVED: To provide a method of producing a pyrazole blocked isocyanurate excellent in production efficiency.SOLUTION: The method of producing a pyrazole blocked isocyanurate comprises reacting a pyrazole compound (A) with an isocyanurate (D) of a C6-16 aliphatic and/or alicyclic diisoc...

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Bibliographic Details
Main Author TAKEMOTO TAKASHI
Format Patent
LanguageEnglish
Japanese
Published 27.09.2018
Subjects
CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
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Summary:PROBLEM TO BE SOLVED: To provide a method of producing a pyrazole blocked isocyanurate excellent in production efficiency.SOLUTION: The method of producing a pyrazole blocked isocyanurate comprises reacting a pyrazole compound (A) with an isocyanurate (D) of a C6-16 aliphatic and/or alicyclic diisocyanate in a dicarboxylic acid diester (B) represented by general formula (2) in the figure, where n is an integer from 1 to 8, to obtain the isocyanurate (E) blocked with the pyrazole compound (A).SELECTED DRAWING: None 【課題】生産効率に優れたピラゾールブロックドイソシアヌレートの製造方法の提供。【解決手段】下記一般式（２）で示されるジカルボン酸ジエステル（Ｂ）中で、ピラゾール化合物（Ａ）と、炭素数６〜１６である脂肪族及び／又は脂環式ジイソシアネートのイソシアヌレート（Ｄ）を反応させて、上記ピラゾール化合物（Ａ）でブロック化された上記イソシアヌレート（Ｅ）を得る、ピラゾールブロックドイソシアヌレートの製造方法。[式中、ｎは１〜８の整数]【選択図】なし
Bibliography:Application Number: JP20170045292