Japan Intellectual Property Rights: PRODUCTION METHOD OF CYCLIZATION PRODUCT FORMED BY CYCLIZATION REACTION INVOLVING DEHYDRATION CONDENSATION, AND PRODUCTION METHOD OF 1,3,4-SUBSTITUTED PYRAZOLE-5-CARBOXYLIC ACID ESTER

Japan, Feb. 27 -- JAPAN FINECHEM CO INC has got intellectual property rights for 'PRODUCTION METHOD OF CYCLIZATION PRODUCT FORMED BY CYCLIZATION REACTION INVOLVING DEHYDRATION CONDENSATION, AND PRODUCTION METHOD OF 1,3,4-SUBSTITUTED PYRAZOLE-5-CARBOXYLIC ACID ESTER.' Other related details are as follows:

Application Number: JP,2022-013347

Category (FI): A61K31/415,C07D231/14

Stage: PROBLEM TO BE SOLVED: To provide a production method of a cyclization product in a cyclization reaction involving dehydration condensation in which no removal step of by-product water, such as an azeotropic dehydration operation or addition of an inorganic solid dehydrator requiring a filtration step after the reaction, is needed, and as an invention of the em...