Hydrochloric Acid → 3-Azido-3-[1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-hydroxyazetidin-3-yl]propanal

HRID 1672967노트

반응식

HRID 1672967 반응식
[N:1]([CH:4]([C:11]1([OH:34])[CH2:14][N:13]([C:15]([C:17]2[CH:22]=[CH:21][C:20]([F:23])=[C:19]([F:24])[C:18]=2[NH:25][C:26]2[CH:31]=[CH:30][C:29]([I:32])=[CH:28][C:27]=2[F:33])=[O:16])[CH2:12]1)[CH2:5][CH:6]1OCC[O:7]1)=[N+:2]=[N-:3].Cl.C(=O)(O)[O-].[Na+]>O1CCCC1>[N:1]([CH:4]([C:11]1([OH:34])[CH2:12][N:13]([C:15]([C:17]2[CH:22]=[CH:21][C:20]([F:23])=[C:19]([F:24])[C:18]=2[NH:25][C:26]2[CH:31]=[CH:30][C:29]([I:32])=[CH:28][C:27]=2[F:33])=[O:16])[CH2:14]1)[CH2:5][CH:6]=[O:7])=[N+:2]=[N-:3]

참가 물질

5

반응물 3

HCID 313Hydrochloric AcidHCID 516892Sodium BicarbonateHCID 866212743-[1-Azido-2-(1,3-dioxolan-2-yl)ethyl]-1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)azetidin-3-ol

생성물 1

HCID 866212753-Azido-3-[1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-hydroxyazetidin-3-yl]propanal수율 93.9%

시약·촉매·용매 1

HCID 8028Tetrahydrofuran용매

실험 절차

3-[1-Azido-2-(1,3-dioxolan-2-yl)ethyl]-1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)azetidin-3-ol (24 mg, 0.041 mmol) was dissolved in tetrahydrofuran (0.5 mL) and treated with 5% aqueous hydrochloric acid (0.5 mL) at ambient for 15 h. The mixture was neutralised with saturated sodium bicarbonate solution and was extracted twice with ethyl acetate. The combined organic portion was washed with brine, dried over anhydrous sodium sulfate, filtered and concentrated in vacuo to afford 3-azido-3-[1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-hydroxyazetidin-3-yl]propanal (21 mg, 0.0385 mmol) which was suspended in ethanol (2 mL) and treated with sodium borohydride (5 mg, 0.132 mmol) at ambient for 2 h. The mixture was quenched with acetic acid (4 drops) and concentrated in vacuo. The residue was partitioned between saturated sodium bicarbonate solution and ethyl acetate. The aqueous portion was extracted with ethyl acetate. The combined organic portion was washed with brine, dried over anhydrous sodium sulfate, filtered and concentrated in vacuo. Column chromatography (silica gel, 70-80% ethyl acetate in hexanes) gave 3-(1-azido-3-hydroxypropyl)-1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)azetidin-3-ol (14 mg, 0.0255 mmol, 62% yield from 3-[1-azido-2-(1,3-dioxolan-2-yl)ethyl]-1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)azetidin-3-ol): 1H NMR (400 MHz, CDCl3): 8.33 (br s, 1H), 7.40 (dd, 1H), 7.32 (br d, 1H), 7.13 (br t, 1H), 6.83 (br q, 1H), 6.61 (ddd, 1H), 4.32-3.94 (m, 4H), 3.92-3.84 (m, 1H), 3.82-3.71 (m, 2H), 2.56 (br, 1H), 1.94 (br, 2H), 1.26 (br, 1H); MS (EI) for C19H17F3IN5O3: 548 (MH+).

후처리

  1. extractionwas extracted twice with ethyl acetate
  2. washThe combined organic portion was washed with brine
  3. dry with materialdried over anhydrous sodium sulfate
  4. filtrationfiltered
  5. concentrationconcentrated in vacuo

출처 및 근거

ORD 기록
ord-9b449e47094f47faaa846e7ece4e4aba
출처 데이터셋
uspto-grants-2011_08
특허 번호
US07999006B2

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