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1. (WO2017149017) METHOD FOR PREPARATION OF HYDROXYTYROSOL
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Pub. No.: WO/2017/149017 International Application No.: PCT/EP2017/054780
Publication Date: 08.09.2017 International Filing Date: 01.03.2017
IPC:
C07C 67/22 (2006.01) ,C07C 37/00 (2006.01) ,C07C 51/08 (2006.01) ,C07C 39/11 (2006.01) ,C07C 59/52 (2006.01) ,C07C 69/732 (2006.01)
C CHEMISTRY; METALLURGY
07
ORGANIC CHEMISTRY
C
ACYCLIC OR CARBOCYCLIC COMPOUNDS
67
Preparation of carboxylic acid esters
18
by conversion of a group containing nitrogen into an ester group
22
from nitriles
C CHEMISTRY; METALLURGY
07
ORGANIC CHEMISTRY
C
ACYCLIC OR CARBOCYCLIC COMPOUNDS
37
Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
C CHEMISTRY; METALLURGY
07
ORGANIC CHEMISTRY
C
ACYCLIC OR CARBOCYCLIC COMPOUNDS
51
Preparation of carboxylic acids or their salts, halides, or anhydrides
08
from nitriles
C CHEMISTRY; METALLURGY
07
ORGANIC CHEMISTRY
C
ACYCLIC OR CARBOCYCLIC COMPOUNDS
39
Compounds having at least one hydroxy or O-metal group bound to a carbon atom of a six-membered aromatic ring
02
monocyclic with no unsaturation outside the aromatic ring
11
Alkylated hydroxy benzenes containing also acyclically bound hydroxy groups, e.g. saligenol
C CHEMISTRY; METALLURGY
07
ORGANIC CHEMISTRY
C
ACYCLIC OR CARBOCYCLIC COMPOUNDS
59
Compounds having carboxyl groups bound to acyclic carbon atoms and containing any of the groups OH, O-metal, -CHO, keto, ether, groups, groups, or groups
40
Unsaturated compounds
42
containing hydroxy or O-metal groups
52
a hydroxy or O-metal group being bound to a carbon atom of a six-membered aromatic ring
C CHEMISTRY; METALLURGY
07
ORGANIC CHEMISTRY
C
ACYCLIC OR CARBOCYCLIC COMPOUNDS
69
Esters of carboxylic acids; Esters of carbonic or haloformic acids
66
Esters of carboxylic acids having esterified carboxyl groups bound to acyclic carbon atoms and having any of the groups OH, O-metal, -CHO, keto, ether, acyloxy, groups, groups, or in the acid moiety
73
of unsaturated acids
732
of unsaturated hydroxy carboxylic acids
Applicants:
LONZA LTD [CH/CH]; Lonzastrasse 3930 Visp, CH
Inventors:
SCHMID, Leo; CH
ZOLLINGER, Daniel; CH
ZARAGOZA, Florencio; CH
Priority Data:
16158509.603.03.2016EP
16158926.207.03.2016EP
16165994.119.04.2016EP
62/302,94903.03.2016US
Title (EN) METHOD FOR PREPARATION OF HYDROXYTYROSOL
(FR) PROCÉDÉ DE PRÉPARATION D'HYDROXYTYROSOL
Abstract:
(EN) The invention discloses a method for the preparation of (3,4-dihydroxyphenyl)acetic acid or its ester starting from the respective nitrile, and the conversion of (3,4-dihydroxyphenyl)acetic acid ester to hydroxytyrosol.
(FR) L'invention concerne un procédé de préparation d'acide (3,4-dihydroxyphényl)acétique ou son ester à partir du nitrile correspondant, et la conversion d'ester d'acide (3,4-dihydroxyphényl)acétique en hydroxytyrosol.
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 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: English (EN)
Filing Language: English (EN)