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1. (WO2017135184) METHOD FOR PRODUCING 2-CYANOACRYLATE
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/2017/135184 International Application No.: PCT/JP2017/003111
Publication Date: 10.08.2017 International Filing Date: 30.01.2017
IPC:
C07C 253/30 (2006.01) ,C07C 255/23 (2006.01) ,C07B 61/00 (2006.01)
C CHEMISTRY; METALLURGY
07
ORGANIC CHEMISTRY
C
ACYCLIC OR CARBOCYCLIC COMPOUNDS
253
Preparation of carboxylic acid nitriles
30
by reactions not involving the formation of cyano groups
C CHEMISTRY; METALLURGY
07
ORGANIC CHEMISTRY
C
ACYCLIC OR CARBOCYCLIC COMPOUNDS
255
Carboxylic acid nitriles
01
having cyano groups bound to acyclic carbon atoms
23
containing cyano groups and carboxyl groups, other than cyano groups, bound to the same unsaturated acyclic carbon skeleton
C CHEMISTRY; METALLURGY
07
ORGANIC CHEMISTRY
B
GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
61
Other general methods
Applicants:
東亞合成株式会社 TOAGOSEI CO., LTD. [JP/JP]; 東京都港区西新橋一丁目14番1号 1-14-1, Nishi-Shimbashi, Minato-ku Tokyo 1058419, JP
Inventors:
柴田 加奈子 SHIBATA Kanako; JP
安藤 勝 ANDO Masaru; JP
今堀 誠 IMAHORI Makoto; JP
Priority Data:
2016-01799302.02.2016JP
Title (EN) METHOD FOR PRODUCING 2-CYANOACRYLATE
(FR) PROCÉDÉ DE PRODUCTION DE 2-CYANOACRYLATE
(JA) 2-シアノアクリレートの製造方法
Abstract:
(EN) [Problem] To provide a method for depolymerizing a polycondensate of 2-cyanoacrylate at a low temperature in a short time and obtaining high-purity 2-cyanoacrylate. [Solution] A method for producing 2-cyanoacrylate, said method being characterized in that a basic substance is added to a solution of a polycondensate of a cyanoacetic acid ester and formaldehyde, depolymerization is performed, an acid is added to the resulting depolymerized composition for neutralization, and the generated salt is removed.
(FR) [Problème] Procédé de dépolymérisation d'un polycondensat de 2-cyanoacrylate à basse température sur une courte durée et de production de 2-cyanoacrylate de haute pureté. [Solution] Procédé de production de 2-cyanoacrylate, ledit procédé étant caractérisé en ce qu'une substance basique est ajoutée à une solution d'un polycondensat d'un ester d'acide cyanoacétique et de formaldéhyde, une dépolymérisation est effectuée, un acide est ajouté à la composition dépolymérisée résultante pour neutralisation, et le sel généré est éliminé.
(JA) 【課題】2-シアノアクリレートの重縮合体を低温、短時間で解重合し、高純度の2‐シアノアクリレートを得る製造方法の提供。 【解決手段】シアノ酢酸エステルとホルムアルデヒドとの重縮合体の溶液に、塩基性物質を添加して、解重合し、得られた解重合組成物に酸を添加して中和し、生成した塩を除去することを特徴とする2-シアノアクリレートの製造方法。
Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: Japanese (JA)
Filing Language: Japanese (JA)