EP 0809638 A2 19971203 - PROCESS FOR PRODUCING AMMONIUM SALTS OF 3-ISOPROPYL-2,1,3-BENZOTHIADIAZINE-4-ON-2,2-DIOXIDE
Title (en)
PROCESS FOR PRODUCING AMMONIUM SALTS OF 3-ISOPROPYL-2,1,3-BENZOTHIADIAZINE-4-ON-2,2-DIOXIDE
Title (de)
VERFAHREN ZUR HERSTELLUNG VON AMMONIUM-SALZEN VON 3-ISOPROPYL-2,1,3-BENZOTHIADIAZIN-4-ON-2,2-DIOXID
Title (fr)
PROCEDE DE FABRICATION DE SELS D'AMMONIUM DE 3-ISOPROPYL-2,1,3-BENZOTHIADIAZINE-4-ONE-2,2-DIOXYDE
Publication
Application
Priority
- DE 19505036 A 19950215
- EP 9600420 W 19960201
Abstract (en)
[origin: US5795983A] PCT No. PCT/EP96/00420 Sec. 371 Date Aug. 15, 1997 Sec. 102(e) Date Aug. 15, 1997 PCT Filed Feb. 1, 1996 PCT Pub. No. WO96/25407 PCT Pub. Date Aug. 22, 1996A process for preparing salts of 3-isopropyl-2,1,3-benzothia-diazin-4-one 2,2-dioxide of the general formula I <IMAGE> (I) (R1-R4=H, lower alkyl, lower hydroxyalkyl) by reacting bentazone (IIa) with an amine IIIa in an organic solvent, by reacting bentazone (IIa) with an amine IIIa or an ammonium salt IIIb in a virtually water-immiscible organic solvent and taking up the salt I in water or by reacting bentazone (IIa) with an ammonium salt IIIb or bentazone-sodium (IIb) with an ammonium salt IIIc, in each case in water.
IPC 1-7
IPC 8 full level
C07D 285/16 (2006.01)
IPC 8 main group level
A01N 43/00 (2006.01)
CPC (source: EP KR US)
C07D 285/16 (2013.01 - EP KR US)
Designated contracting state (EPC)
AT BE CH DE DK ES FR GB GR IE IT LI LU NL PT SE
DOCDB simple family (publication)
US 5795983 A 19980818; AR 000425 A1 19970618; AR 022849 A1 20020904; AU 4717196 A 19960904; AU 703200 B2 19990318; BR 9607724 A 19980714; CA 2211110 A1 19960822; CA 2211110 C 20040427; CN 1070190 C 20010829; CN 1175947 A 19980311; CZ 239597 A3 19980617; CZ 292785 B6 20031217; CZ 296270 B6 20060215; DE 19505036 A1 19960822; EA 002236 B1 20020228; EA 199700174 A1 19971230; EP 0809638 A2 19971203; EP 0866062 A1 19980923; FI 973339 A0 19970814; FI 973339 A 19970814; HU 221207 B1 20020828; HU P9702423 A2 19980428; HU P9702423 A3 19990528; IL 116959 A0 19960514; IL 116959 A 20001031; IN 182771 B 19990717; JP H11500115 A 19990106; KR 100408947 B1 20040124; KR 19980702242 A 19980715; MX 9706066 A 19971031; NO 20002506 D0 20000515; NO 20002506 L 19971014; NO 308847 B1 20001106; NO 309983 B1 20010430; NO 973758 D0 19970814; NO 973758 L 19971014; NZ 301683 A 20000228; PL 183415 B1 20020628; PL 184263 B1 20020930; PL 321834 A1 19971222; RO 118294 B1 20030430; SI 9620033 A 19971231; SK 104797 A3 19980708; SK 284009 B6 20040803; SK 284010 B6 20040803; TR 199700805 T1 19980221; UA 62910 C2 20040115; WO 9625407 A2 19960822; WO 9625407 A3 19961107; ZA 961171 B 19970814
DOCDB simple family (application)
US 89415797 A 19970815; AR 33541896 A 19960215; AR P000100994 A 20000306; AU 4717196 A 19960201; BR 9607724 A 19960201; CA 2211110 A 19960201; CN 96191975 A 19960201; CZ 20012121 A 19960201; CZ 239597 A 19960201; DE 19505036 A 19950215; EA 199700174 A 19960201; EA 199700174 D 19970911; EP 9600420 W 19960201; EP 96902969 A 19960201; EP 98109084 A 19960201; FI 973339 A 19970814; HU P9702423 A 19960201; IL 11695996 A 19960130; IN 152MA1996 A 19960131; JP 52461896 A 19960201; KR 19970705639 A 19970814; MX 9706066 A 19960201; NO 20002506 A 20000515; NO 973758 A 19970814; NZ 30168396 A 19960201; PL 32183496 A 19960201; PL 35056496 A 19960201; RO 9701470 A 19960201; SI 9620033 A 19960201; SK 104797 A 19960201; SK 4792003 A 19960201; TR 9700805 T 19960201; UA 97094615 A 19960201; ZA 961171 A 19960214