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1. (WO2013111148) PROCESS FOR PREPARATION OF LUTEOLIN
Latest bibliographic data on file with the International Bureau   

Pub. No.: WO/2013/111148 International Application No.: PCT/IN2012/000814
Publication Date: 01.08.2013 International Filing Date: 12.12.2012
IPC:
C07D 311/30 (2006.01) ,C07C 45/65 (2006.01) ,C07C 49/82 (2006.01) ,C07C 39/14 (2006.01)
C CHEMISTRY; METALLURGY
07
ORGANIC CHEMISTRY
D
HETEROCYCLIC COMPOUNDS
311
Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
02
ortho- or peri-condensed with carbocyclic rings or ring systems
04
Benzo [b] pyrans, not hydrogenated in the carbocyclic ring
22
with oxygen or sulfur atoms directly attached in position 4
26
with aromatic rings attached in position 2 or 3
28
with aromatic rings attached in position 2 only
30
not hydrogenated in the hetero ring, e.g. flavones
C CHEMISTRY; METALLURGY
07
ORGANIC CHEMISTRY
C
ACYCLIC OR CARBOCYCLIC COMPOUNDS
45
Preparation of compounds having CO groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
61
by reactions not involving the formation of CO groups
65
by splitting-off hydrogen atoms or functional groups; by hydrogenolysis of functional groups
C CHEMISTRY; METALLURGY
07
ORGANIC CHEMISTRY
C
ACYCLIC OR CARBOCYCLIC COMPOUNDS
49
Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
76
Ketones containing a keto group bound to a six-membered aromatic ring
82
containing hydroxy groups
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
12
polycyclic with no unsaturation outside the aromatic rings
14
with at least one hydroxy group on a condensed ring system containing two rings
Applicants:
CASUKHELA, Someswara Rao [IN/IN]; IN (US)
DORWAL, Harish Niranjanlal [IN/IN]; IN (US)
SABAPATHY, Sandirane [IN/IN]; IN (US)
GORANTLA, Seeta Ramanjaneyulu [IN/IN]; IN (US)
CHAVA, Satyanarayana [IN/IN]; IN (US)
LAURUS LABS PRIVATE LIMITED [IN/IN]; 2nd Floor, Serene Chambers Road No. 7, Banjara Hills Hyderabad 500034, IN (AllExceptUS)
Inventors:
CASUKHELA, Someswara Rao; IN
DORWAL, Harish Niranjanlal; IN
SABAPATHY, Sandirane; IN
GORANTLA, Seeta Ramanjaneyulu; IN
CHAVA, Satyanarayana; IN
Priority Data:
4341/CHE/201113.12.2011IN
Title (EN) PROCESS FOR PREPARATION OF LUTEOLIN
(FR) PROCÉDÉ DE PRÉPARATION DE LUTÉOLINE
Abstract:
(EN) The present invention provides a process for preparation of Luteolin by deprotection of the corresponding ethers using Lewis acid mediated Ionic complexes, and to compositions containing the same.
(FR) La présente invention concerne un procédé de préparation de lutéoline par déprotection des éthers correspondants au moyen de complexes ioniques à médiation par acides de Lewis, et des compositions contenant ce composé.
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, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IS, JP, KE, KG, KM, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LT, 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, 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, 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, ML, MR, NE, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)