Acetic Anhydride → HCID 9907591, 화합물

HRID 1584230노트

반응식

HRID 1584230 반응식
[C:1](OC(=O)C)(=[O:3])[CH3:2].C(N(CC)CC)C.[CH3:15][C:16]1[O:20][N:19]=[C:18]([C:21]2[CH:26]=[CH:25][CH:24]=[C:23]([F:27])[CH:22]=2)[C:17]=1[C:28]1[CH:33]=[CH:32][C:31]([S:34]([NH2:37])(=[O:36])=[O:35])=[CH:30][CH:29]=1>O1CCCC1>[F:27][C:23]1[CH:22]=[C:21]([C:18]2[C:17]([C:28]3[CH:29]=[CH:30][C:31]([S:34]([NH:37][C:1](=[O:3])[CH3:2])(=[O:36])=[O:35])=[CH:32][CH:33]=3)=[C:16]([CH3:15])[O:20][N:19]=2)[CH:26]=[CH:25][CH:24]=1

참가 물질

5

반응물 3

HCID 7918Acetic AnhydrideHCID 8471TriethylamineHCID 226435854-[5-Methyl-3-(3-fluorophenyl)isoxazol-4-yl]benzenesulfonamide

생성물 1

HCID 9907591HCID 9907591, 화합물수율 81%

시약·촉매·용매 1

HCID 8028Tetrahydrofuran용매

실험 절차

Acetic anhydride (1.01 g, 9.39 mmol) and triethylamine (0.401 g, 3.97 mmol) were added to a solution of 4-[5-methyl-3-(3-fluorophenyl)isoxazol-4-yl]benzenesulfonamide (1.10 g, 3.31 mmol) and N,N-dimethylpyridine (0.202 g) in dry tetrahydrofuran. After stirring for 18 hours at room temperature, the reaction mixture was concentrated. The residue was dissolved in ethyl acetate, washed successively with 1N hydrochloric acid and brine, dried over anhydrous MgSO4 and concentrated to afford 1.0 g (81%) of the desired product as a crystalline product: mp 144-145° C. 1H NMR (CDCl3) 8.00 (d, 2H, J=7.3 Hz), 7.30-7.27 (m, 4H), 7.10-7.06 (m, 3H), 2.46 (s, 3H), 1.99 (s, 3H). Anal. Calc'd for C18H15FN2O4S: C, 57.75; H, 4.04; N, 7.48. Found: C, 57.84; H, 4.06; N, 7.49.

후처리

  1. concentrationthe reaction mixture was concentrated
  2. dissolutionThe residue was dissolved in ethyl acetate
  3. washwashed successively with 1N hydrochloric acid and brine
  4. dry with materialdried over anhydrous MgSO4
  5. concentrationconcentrated

출처 및 근거

ORD 기록
ord-a9bd592a06e6423cbd76c33d27c59740
출처 데이터셋
uspto-grants-1999_08
특허 번호
US05932598

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