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Diisopropyl Ether → Ethyl 2-[6-(3-amino-1-pyrrolidinyl)-2-(2,4-difluorophenylamino)-5-fluoronicotinoyl]acetate

HRID 232466
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HRID 232466 반응식
Cl[C:2]1[C:15]([F:16])=[CH:14][C:5]([C:6]([CH2:8][C:9]([O:11][CH2:12][CH3:13])=[O:10])=[O:7])=[C:4]([NH:17][C:18]2[CH:23]=[CH:22][C:21]([F:24])=[CH:20][C:19]=2[F:25])[N:3]=1.Cl.Cl.[NH2:28][CH:29]1[CH2:33][CH2:32][NH:31][CH2:30]1.C(N(CC)CC)C.C(OC(C)C)(C)C>C(Cl)(Cl)Cl.O>[NH2:28][CH:29]1[CH2:33][CH2:32][N:31]([C:2]2[C:15]([F:16])=[CH:14][C:5]([C:6]([CH2:8][C:9]([O:11][CH2:12][CH3:13])=[O:10])=[O:7])=[C:4]([NH:17][C:18]3[CH:23]=[CH:22][C:21]([F:24])=[CH:20][C:19]=3[F:25])[N:3]=2)[CH2:30]1
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참가 물질

7

반응물 4

HCID 7914Diisopropyl EtherHCID 8471TriethylamineHCID 13849316Ethyl 2-[6-chloro-2-(2,4-difluorophenylamino)-5-fluoronicotinoyl]acetateHCID 162125963-Aminopyrrolidine dihydrochloride

생성물 1

HCID 13922528Ethyl 2-[6-(3-amino-1-pyrrolidinyl)-2-(2,4-difluorophenylamino)-5-fluoronicotinoyl]acetate수율 84.7%

시약·촉매·용매 2

HCID 962Water용매
HCID 6212Chloroform용매2회

실험 절차

In 5 ml of chloroform was dissolved 500 mg of ethyl 2-[6-chloro-2-(2,4-difluorophenylamino)-5-fluoronicotinoyl]acetate, and 260 mg of 3-aminopyrrolidine dihydrochloride and 500 mg of triethylamine were added thereto, after which the resulting mixture was subjected to reaction under reflux for 1.5 hours. Subsequently, the reaction mixture was added to a mixture of 5 ml of chloroform and 5 ml of water, and the organic layer was separated, washed successively with 5 ml of water and 5 ml of saturated aqueous sodium chloride solution, and then dried over anhydrous magnesium sulfate. The solvent was removed by distillation under reduced pressure, and to the crystalline material thus obtained was added 2 ml of diisopropyl ether, after which crystals were collected by filtration to obtain 480 mg (yield 84.7%) of ethyl 2-[6-(3-amino-1-pyrrolidinyl)-2-(2,4-difluorophenylamino)-5-fluoronicotinoyl]acetate having a melting point of 140°-142° C.

후처리

  1. additionwere added
  2. customafter which the resulting mixture was subjected to reaction
  3. temperatureunder reflux for 1.5 hours
  4. customthe organic layer was separated
  5. washwashed successively with 5 ml of water and 5 ml of saturated aqueous sodium chloride solution
  6. dry with materialdried over anhydrous magnesium sulfate
  7. customThe solvent was removed by distillation under reduced pressure
  8. customto the crystalline material thus obtained
  9. filtrationafter which crystals were collected by filtration

출처 및 근거

ORD 기록
ord-bdd635ee9df84c22a4182a4c426eb6b0
출처 데이터셋
uspto-grants-1989_07
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US04851535

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