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1. (WO2016015596) PROCESS FOR PREPARING 2, 3-DISUBSTITUTED-5-OXOPYRAN COMPOUND
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/2016/015596 International Application No.: PCT/CN2015/084977
Publication Date: 04.02.2016 International Filing Date: 23.07.2015
IPC:
C07D 309/30 (2006.01) ,C07D 307/30 (2006.01) ,C07C 269/06 (2006.01) ,C07C 271/18 (2006.01)
C CHEMISTRY; METALLURGY
07
ORGANIC CHEMISTRY
D
HETEROCYCLIC COMPOUNDS
309
Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings
16
having one double bond between ring members or between a ring member and a non-ring member
28
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
30
Oxygen atoms, e.g. delta-lactones
C CHEMISTRY; METALLURGY
07
ORGANIC CHEMISTRY
D
HETEROCYCLIC COMPOUNDS
307
Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
02
not condensed with other rings
26
having one double bond between ring members or between a ring member and a non-ring member
30
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
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
06
by reactions not involving the formation of carbamate 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
10
with the nitrogen atoms of the carbamate groups bound to hydrogen atoms or to acyclic carbon atoms
18
to carbon atoms of hydrocarbon radicals substituted by doubly-bound oxygen atoms
Applicants:
SUNSHINE LAKE PHARMA CO., LTD. [CN/CN]; Northern Industrial Area, Songshan Lake Dongguan, Guangdong 523000, CN
Inventors:
SUN, Guodong; CN
LIU, Yongjun; CN
WEI, Mingjie; CN
LAI, Cailang; CN
LI, Dasheng; CN
ZHANG, Shouhua; CN
WANG, Zhongqing; CN
Agent:
TSINGYIHUA INTELLECTUAL PROPERTY LLC; Room 301 Trade Building, Zhaolanyuan, Tsinghua University, Qinghuayuan, Haidian District Beijing 100084, CN
Priority Data:
201410367961.629.07.2014CN
Title (EN) PROCESS FOR PREPARING 2, 3-DISUBSTITUTED-5-OXOPYRAN COMPOUND
(FR) PROCÉDÉ DE PRÉPARATION D'UN COMPOSÉ 5-OXOPYRANE 2, 3-DISUBSTITUÉ
Abstract:
(EN) A process of preparing 2, 3-disubstituted-5-oxopyran compounds, comprising cyclizing a compound in the presence of a base and an organic solvent is provided.
(FR) Selon l'invention, un procédé de préparation de composés 5-oxopyrane 2, 3-disubstitués comprend la cyclisation d'un composé en présence d'une base et d'un solvant organique.
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, IR, IS, JP, KE, KG, KN, KP, KR, 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: English (EN)
Filing Language: English (EN)