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llms.txt · MCP 가이드개인정보처리방침 · 이용약관 · 지원v1.8.0
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Hydrochloric Acid → rac-(2R,3S,4R,5S)-3-(3-chloro-2-fluoro-phenyl)-4-(4-chloro-2-fluoro-phenyl)-4-cyano-5-(2-cyclopropyl-2-methyl-propyl)-pyrrolidine-2-carboxylic acid

HRID 1806897
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인쇄 미리보기

반응식

HRID 1806897 반응식
C[O:2][C:3]([CH:5]1[CH:9]([C:10]2[CH:15]=[CH:14][CH:13]=[C:12]([Cl:16])[C:11]=2[F:17])[C:8]([C:20]2[CH:25]=[CH:24][C:23]([Cl:26])=[CH:22][C:21]=2[F:27])([C:18]#[N:19])[CH:7]([CH2:28][C:29]([CH:32]2[CH2:34][CH2:33]2)([CH3:31])[CH3:30])[NH:6]1)=[O:4].[OH-].[Na+].CO.Cl>O1CCCC1>[Cl:16][C:12]1[C:11]([F:17])=[C:10]([CH:9]2[C:8]([C:20]3[CH:25]=[CH:24][C:23]([Cl:26])=[CH:22][C:21]=3[F:27])([C:18]#[N:19])[CH:7]([CH2:28][C:29]([CH:32]3[CH2:33][CH2:34]3)([CH3:31])[CH3:30])[NH:6][CH:5]2[C:3]([OH:4])=[O:2])[CH:15]=[CH:14][CH:13]=1
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참가 물질

6

반응물 4

HCID 313Hydrochloric AcidHCID 887MethanolHCID 14798Sodium HydroxideHCID 67297219rac-(2R,3S,4R,5S)-3-(3-chloro-2-fluoro-phenyl)-4-(4-chloro-2-fluoro-phenyl)-4-cyano-5-(2-cyclopropyl-2-methyl-propyl)-pyrrolidine-2-carboxylic acid methyl ester

생성물 1

HCID 67296911rac-(2R,3S,4R,5S)-3-(3-chloro-2-fluoro-phenyl)-4-(4-chloro-2-fluoro-phenyl)-4-cyano-5-(2-cyclopropyl-2-methyl-propyl)-pyrrolidine-2-carboxylic acid
수율 84.5%

시약·촉매·용매 1

HCID 8028Tetrahydrofuran용매

실험 절차

To rac-(2R,3S,4R,5S)-3-(3-chloro-2-fluoro-phenyl)-4-(4-chloro-2-fluoro-phenyl)-4-cyano-5-(2-cyclopropyl-2-methyl-propyl)-pyrrolidine-2-carboxylic acid methyl ester prepared in Example 99b (0.95 g, 1.87 mmol) in tetrahydrofuran (40 mL) was added an aqueous solution (20 mL) of NaOH (0.15 g, 3.7 mmol) and methanol (20 mL). The reaction mixture was stirred at room temperature for 18 h. The “pH” of the mixture was adjusted to 5 by aqueous HCl solution. The mixture was concentrated. The residue was partitioned between ethyl acetate and water. The organic layer was separated, washed with water, brine, dried over MgSO4, concentrated, and trituated with dichloromethane and hexanes to give rac-(2R,3S,4R,5S)-3-(3-chloro-2-fluoro-phenyl)-4-(4-chloro-2-fluoro-phenyl)-4-cyano-5-(2-cyclopropyl-2-methyl-propyl)-pyrrolidine-2-carboxylic acid as a white solid (0.78 g, 80%)

후처리

  1. concentrationThe mixture was concentrated
  2. customThe residue was partitioned between ethyl acetate and water
  3. customThe organic layer was separated
  4. washwashed with water, brine
  5. dry with materialdried over MgSO4
  6. concentrationconcentrated

출처 및 근거

ORD 기록
ord-cc320c2f6b3b43d8b7c7acf5f297c4bb
출처 데이터셋
uspto-grants-2013_01
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08354444B2

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