【WO2019207595A1】制备邻氨基苯甲酰胺衍生物的改进方法【专利】

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(51)International Patent Classification:DZ,EC,EE,EG,ES,FI,GB,GD,GE,GH,GM,GT,HN,

C07D401/04(2006.01)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, (21)International Application Number:

MG,MK,MN,MW,MX,MY,MZ,NA,NG,NI,NO,NZ,

PCT/IN2019/050321

OM,PA,PE,PG,PH,PL,PT,QA,RO,RS,RU,RW,SA, (22)International Filing Date:SC,SD,SE,SG,SK,SL,SM,ST,SV,SY,TH,TJ,TM,TN,

20April2019(20.04.2019)TR,TT,TZ,UA,UG,US,UZ,VC,VN,ZA,ZM,ZW. (25)Filing Language:English(84)Designated States(unless otherwise indicated,for every

kind o f regional protection available).ARIPO(BW,GH, (26)Publication Language:English GM,KE,LR,LS,MW,MZ,NA,RW,

SD,SL,ST,SZ,TZ, (30)Priority Data:UG,ZM,ZW),Eurasian(AM,AZ,BY,KG,KZ,RU,TJ,

20184101524123April2018(23.04.2018)IN TM),European(AL,AT,BE,BG,CH,CY,CZ,DE,DK,

EE,ES,FI,FR,GB,GR,HR,HU,IE,IS,IT,LT,LU,LV, (71)Applicant:NATCO PHARMA LIMITED[IN/IN];Nat-MC,MK,MT,NL,NO,PL,PT,RO,RS,SE,SI,SK,SM,

co House,Road No.2,Banjara Hills,Hyderabad,Telan-TR),OAPI(BF,BJ,CF,CG,Cl,CM,GA,GN,GQ,GW, gana.,Hyderabad500034(IN).KM,ML,MR,NE,SN,TD,TG).

(72)Inventors:AMARNATH,Jam pan i:Natco Pharma Lim¬

ited,Natco House,Road No.2,Banjara Hills.,Hyderabad Declarations under Rule4.17:

500034(IN).NARESH,Ghanta;Natco Pharma Limit¬—o f inventorship(Rule4.17(iv))

ed,Natco House,Road No.2,Banjara Hills.,Hyderabad Published:

500034(IN).RADHA RANI,Samatham;Natco Phar¬—with international search report

(Art.21(3)) ma Limited,Natco House,Road No.2,Banjara Hills.,Hy¬—in black and white;the international application as filed derabad500034(IN).NAGESWARA RAO,Bollepalli;contained color or greyscale and is available for download Natco Pharma Limited,Natco House,Road No.2,Ban¬from PATENTSCOPE

jara Hills.,Hyderabad500034(IN).JANAKI RAMA

RAO,Ravi;Natco Pharma Limited,Natco House,Road

No.2,Banjara Hills.,Hyderabad500034(IN).DURGA

PRASAD,Konakanchi;Natco Pharma Limited,Natco

House,Road No.2,Banjara Hills.,Hyderabad500034(IN).

PULLA REDDY,Muddasani;Natco Pharma Limited,

Natco House,RoadNo.2,Banjara Hills.,Hyderabad500034

(IN)VENKAIAH CHOWDARY,Nannapaneni;Natco

Pharma Limited,Natco House,Road No.2,Banjara Hills.,

Hyderabad500034(IN).

(81)Designated States(unless otherwise indicated,for every

kind o f national protection available):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,

(54)Title:AN IMPROVED PROCESS FOR THE PREPARATION OF ANTHRANIL AMIDE DERIVATIVES

(57)Abstract:The present invention relates to an improved process for the preparation of anthranilamide derivatives.More particularly, the present invention relates to an improved process for the preparation of Chlorantraniliprole-(Ia)and Cyantraniliprole-(Ib).