Triethylamine → (7R,8aS)-7-[(5-cyclopropylpyrazin-2-yl)oxy]hexahydropyrrolo[1,2-a]-pyrazin-4(1H)-one

HRID 1184609노트

반응식

HRID 1184609 반응식
Cl.[CH:2]1([C:5]2[N:6]=[CH:7][C:8]([O:11][C@H:12]3[CH2:16][NH:15][C@H:14]([CH2:17][NH:18][CH2:19][C:20]([O:22]C)=O)[CH2:13]3)=[N:9][CH:10]=2)[CH2:4][CH2:3]1.C(N(CC)CC)C>CO>[CH:2]1([C:5]2[N:6]=[CH:7][C:8]([O:11][C@H:12]3[CH2:16][N:15]4[C:20](=[O:22])[CH2:19][NH:18][CH2:17][C@@H:14]4[CH2:13]3)=[N:9][CH:10]=2)[CH2:3][CH2:4]1

참가 물질

4

반응물 2

HCID 8471TriethylamineHCID 86680522methyl 2-((((2S,4R)-4-((5-cyclopropylpyrazin-2-yl)oxy)pyrrolidin-2-yl)-methyl)amino)acetate hydrochloride

생성물 1

HCID 86680524(7R,8aS)-7-[(5-cyclopropylpyrazin-2-yl)oxy]hexahydropyrrolo[1,2-a]-pyrazin-4(1H)-one

시약·촉매·용매 1

HCID 887Methanol용매

실험 절차

To a solution of the product from Example 174F (0.958 g, 2.79 mmol) in methanol (10 mL) was added triethylamine (2.337 mL, 16.77 mmol). The mixture was heated to reflux and stirred for 18 hours. The cooled mixture was concentrated in vacuo, and the crude product was purified by flash chromatography on a 12 g silica gel column, eluting with 2.5% methanol (containing 2 N ammonia) in dichloromethane for 3 minutes and then a gradient to 10% methanol (2 N ammonia) in dichloromethane to afford the title compound. 1H NMR (300 MHz, DMSO-d6) δ ppm 8.15 (dd, J=9.2, 1.4 Hz, 2H), 5.47 (t, J=5.0 Hz, 1H), 4.05-3.88 (m, 1H), 3.87-3.69 (m, 1H), 3.26-3.01 (m, 4H), 2.67 (s, 1H), 2.34 (dd, J=12.7, 10.2 Hz, 1H), 2.24-2.03 (m, 2H), 1.73 (ddd, J=13.3, 11.9, 4.8 Hz, 1H), 1.03-0.88 (m, 2H), 0.82 (ddd, J=6.8, 4.7, 2.4 Hz, 2H); MS (ESI) m/z 449 (M+H)+.

후처리

  1. temperatureThe mixture was heated
  2. temperatureto reflux
  3. concentrationThe cooled mixture was concentrated in vacuo
  4. customthe crude product was purified by flash chromatography on a 12 g silica gel column
  5. washeluting with 2.5% methanol (containing 2 N ammonia) in dichloromethane for 3 minutes

출처 및 근거

ORD 기록
ord-2e6146319f014eeaa6783e14390171f7
출처 데이터셋
uspto-grants-2014_03
특허 번호
US08669255B2

반응 노트

불러오는 중…