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1. (WO2018141751) PRODUCTION OF N-SUBSTITUTED AROMATIC HYDROXYLAMINE
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Pub. No.: WO/2018/141751 International Application No.: PCT/EP2018/052291
Publication Date: 09.08.2018 International Filing Date: 30.01.2018
IPC:
C07C 269/00 (2006.01) ,C07C 271/28 (2006.01) ,C07D 231/22 (2006.01)
C CHEMISTRY; METALLURGY
07
ORGANIC CHEMISTRY
C
ACYCLIC OR CARBOCYCLIC COMPOUNDS
269
Preparation of derivatives of carbamic acid, i.e. compounds containing any of the groups the nitrogen atom not being part of nitro or nitroso groups
C CHEMISTRY; METALLURGY
07
ORGANIC CHEMISTRY
C
ACYCLIC OR CARBOCYCLIC COMPOUNDS
271
Derivatives of carbamic acid, i.e. compounds containing any of the groups the nitrogen atom not being part of nitro or nitroso groups
06
Esters of carbamic acids
08
having oxygen atoms of carbamate groups bound to acyclic carbon atoms
26
with the nitrogen atom of at least one of the carbamate groups bound to a carbon atom of a six-membered aromatic ring
28
to a carbon atom of a non-condensed six-membered aromatic ring
C CHEMISTRY; METALLURGY
07
ORGANIC CHEMISTRY
D
HETEROCYCLIC COMPOUNDS
231
Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings
02
not condensed with other rings
10
having two or three double bonds between ring members or between ring members and non-ring members
14
with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
18
One oxygen or sulfur atom
20
One oxygen atom attached in position 3 or 5
22
with aryl radicals attached to ring nitrogen atoms
Applicants:
SOLVIAS AG [CH/CH]; Römerpark 2 4303 Kaiseraugst, CH
Inventors:
STEINER, Heinz; CH
Agent:
SUISSE TECHNOLOGY PARTNERS AG; Badische Bahnhofstrasse 16 8212 Neuhausen am Rheinfall, CH
Priority Data:
17020041.401.02.2017EP
Title (EN) PRODUCTION OF N-SUBSTITUTED AROMATIC HYDROXYLAMINE
(FR) PRODUCTION D'HYDROXYLAMINES AROMATIQUES N-SUBSTITUÉES
(DE) HERSTELLUNG N-SUBSTITUIERTER AROMATISCHER HYDROXYLAMINE
Abstract:
(EN) The invention relates to an economical, single-stage method for producing n-substituted aromatic hydroxylamine of formula (I) R-N(OH)-C(=O)-(O) R1 (I), using hydrogen, by catalytic hydrogenation using optionally modified hydrogenation catalysts, in an aprotic solvent and in the presence of a halogenated formic acid ester and, optionally, in the presence of a base.
(FR) La présente invention concerne un procédé en une seule étape et économique pour produire des hydroxylamines aromatiques N-substituées de formule (I) R-N(OH)-C(=O)-(O) R1 (I), avec de l'hydrogène par hydrogénation catalytique avec, le cas échéant, des catalyseurs d'hydrogénation modifiés dans un solvant aprotique et en présence d'un ester d'acide halogénoformique et, le cas échéant, en présence d'une base.
(DE) Wirtschaftliches, einstufiges Verfahren zur Herstellung N-substituierter aromatischer Hydroxylamine der Formel (I) R-N(OH)-C(=O)-(O) R1 (I), mit Wasserstoff durch katalytische Hydrierung mit gegebenenfalls modifizierten Hydrierkatalysatoren in einem aprotischen Lösungsmittel und in Gegenwart eines Halogenameisensäureesters und gegebenenfalls in Gegenwart einer Base.
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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, JO, 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 Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (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: German (DE)
Filing Language: German (DE)