Ammonium formate → (S)-Tert-butyl 2-(4-aminophenyl)morpholine-4-carboxylate

HRID 1520763노트

반응식

HRID 1520763 반응식
C1(C(=[N:14][C:15]2[CH:20]=[CH:19][C:18]([C@@H:21]3[O:26][CH2:25][CH2:24][N:23]([C:27]([O:29][C:30]([CH3:33])([CH3:32])[CH3:31])=[O:28])[CH2:22]3)=[CH:17][CH:16]=2)C2C=CC=CC=2)C=CC=CC=1.C([O-])=O.[NH4+]>CO.[Pd]>[NH2:14][C:15]1[CH:20]=[CH:19][C:18]([C@@H:21]2[O:26][CH2:25][CH2:24][N:23]([C:27]([O:29][C:30]([CH3:33])([CH3:32])[CH3:31])=[O:28])[CH2:22]2)=[CH:17][CH:16]=1

참가 물질

5

반응물 2

HCID 2723923Ammonium formateHCID 86654632(S)-tert-butyl 2-(4-(diphenylmethyleneamino)phenyl)morpholine-4-carboxylate

생성물 1

HCID 66705988(S)-Tert-butyl 2-(4-aminophenyl)morpholine-4-carboxylate수율 94.1%

시약·촉매·용매 2

HCID 23938Palladium촉매HCID 887Methanol용매

반응 조건

온도
60 °C

실험 절차

A suspension of (S)-tert-butyl 2-(4-(diphenylmethyleneamino)phenyl)morpholine-4-carboxylate (54.1 g, 122 mmol), ammonium formate (116 g, 1.83 mol) and Pd/C 5% (6.5 g, 3.06 mmol) in methanol (930 ml) was stirred at 60° C. for 2 h. The reaction mixture was filtered and concentrated. The residue was dissolved in ethyl acetate and water. The organic phase was extracted twice with 0.5M HCl. The combined aqueous phases were basified with 2M-NaOH and extracted twice with DCM. The organic phases were dried over magnesium sulfate, filtered and dried in vacuo, to yield 31.95 g off-white solid. MS (ISP): 279.1 ([M+H]+).

후처리

  1. filtrationThe reaction mixture was filtered
  2. concentrationconcentrated
  3. dissolutionThe residue was dissolved in ethyl acetate
  4. extractionThe organic phase was extracted twice with 0.5M HCl
  5. extractionextracted twice with DCM
  6. dry with materialThe organic phases were dried over magnesium sulfate
  7. filtrationfiltered
  8. customdried in vacuo

출처 및 근거

ORD 기록
ord-1fbe18ed13bf4d389a72d5ab2a4a8bad
출처 데이터셋
uspto-grants-2015_07
특허 번호
US09073911B2

반응 노트

불러오는 중…