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Diphenylphosphinic chloride → HCID 53357877, 화합물

HRID 1807293
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HRID 1807293 반응식
[Cl:1][C:2]1[C:3]([F:31])=[C:4]([C@@H:8]2[C@:12]([C:15]3[CH:20]=[CH:19][C:18]([Cl:21])=[CH:17][C:16]=3[F:22])([C:13]#[N:14])[C@H:11]([CH2:23][C:24]([CH3:27])([CH3:26])[CH3:25])[NH:10][C@H:9]2[C:28](O)=[O:29])[CH:5]=[CH:6][CH:7]=1.CCN(C(C)C)C(C)C.C1(P(Cl)(C2C=CC=CC=2)=O)C=CC=CC=1.[CH3:56][O:57][C:58]([C:60]1[O:61][C:62]2[CH:68]=[CH:67][C:66]([NH2:69])=[CH:65][C:63]=2[N:64]=1)=[O:59]>ClCCl>[Cl:1][C:2]1[C:3]([F:31])=[C:4]([C@@H:8]2[C@:12]([C:15]3[CH:20]=[CH:19][C:18]([Cl:21])=[CH:17][C:16]=3[F:22])([C:13]#[N:14])[C@H:11]([CH2:23][C:24]([CH3:26])([CH3:27])[CH3:25])[NH:10][C@H:9]2[C:28]([NH:69][C:66]2[CH:67]=[CH:68][C:62]3[O:61][C:60]([C:58]([O:57][CH3:56])=[O:59])=[N:64][C:63]=3[CH:65]=2)=[O:29])[CH:5]=[CH:6][CH:7]=1
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참가 물질

6

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HCID 73910Diphenylphosphinic chlorideHCID 81531DiisopropylethylamineHCID 18550976Methyl 5-aminobenzo[d]oxazole-2-carboxylateHCID 59249226(2R,3S,4R,5S)-3-(3-chloro-2-fluorophenyl)-4-(4-chloro-2-fluorophenyl)-4-cyano-5-neopentylpyrrolidine-2-carboxylic acid

생성물 1

HCID 53357877HCID 53357877, 화합물

시약·촉매·용매 1

HCID 6344Dichloromethane용매2회

실험 절차

A solution of chiral (2R,3S,4R,5S)-3-(3-chloro-2-fluoro-phenyl)-4-(4-chloro-2-fluoro-phenyl)-4-cyano-5-(2,2-dimethyl-propyl)-pyrrolidine-2-carboxylic acid (59.8 mg, 0.128 mmol) in dichloromethane (3 ml) was treated with DIPEA (66.8 mg, 0.517 mmol) and DIPHENYLPHOSPHINIC CHLORIDE (80.7 mg, 0.341 mmol) and stirred for 20 min under argon. 5-AMINO-BENZOOXAZOLE-2-CARBOXYLIC ACID METHYL ESTER (25.8 mg, 134 μmol, JW PharmLab) was added and stirred 2 hrs. The reaction mixture was diluted with dichloromethane and washed with water, sat'd NaHCO3, water and brine. After drying over Na2SO4 the crude material was purified by silica gel chromatography with ethyl acetate and n-hexanes giving chiral methyl 5-((2R,3S,4R,5S)-3-(3-chloro-2-fluorophenyl)-4-(4-chloro-2-fluorophenyl)-4-cyano-5-neopentylpyrrolidine-2-carboxamido)benzo[d]oxazole-2-carboxylate (73.7 mg., 89.8%) as a white lyophilized solid. MS (ES+) m/z Calcd: [(M+H)+]: 641.15. found: 641.2.

후처리

  1. stirringstirred 2 hrs
  2. washwashed with water
  3. dry with materialAfter drying over Na2SO4 the crude material
  4. customwas purified by silica gel chromatography with ethyl acetate and n-hexanes giving chiral methyl 5-((2R,3S,4R,5S)-3-(3-chloro-2-fluorophenyl)-4-(4-chloro-2-fluorophenyl)-4-cyano-5-neopentylpyrrolidine-2-carboxamido)benzo[d]oxazole-2-carboxylate (73.7 mg., 89.8%) as

출처 및 근거

ORD 기록
ord-63087a6124364997bf628bfda3117e38
출처 데이터셋
uspto-grants-2013_01
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08354444B2

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