Cesium carbonate → (S)-3-[6-(5-cyano-6-methoxy-pyridin-3-yl)-5,6,7,8-tetrahydro-pyrido[4,3-d]pyrimidin-4-ylamino]-pyrrolidine-1-carboxylic acid tert-butyl ester

HRID 242321

반응식

HRID 242321 반응식
[C:1]([O:5][C:6]([N:8]1[CH2:12][CH2:11][C@H:10]([NH:13][C:14]2[C:15]3[CH2:23][NH:22][CH2:21][CH2:20][C:16]=3[N:17]=[CH:18][N:19]=2)[CH2:9]1)=[O:7])([CH3:4])([CH3:3])[CH3:2].Br[C:25]1[CH:26]=[N:27][C:28]([O:33][CH3:34])=[C:29]([CH:32]=1)[C:30]#[N:31].C(=O)([O-])[O-].[Cs+].[Cs+].CC(C1C=C(C(C)C)C(C2C=CC=CC=2P(C2CCCCC2)C2CCCCC2)=C(C(C)C)C=1)C>C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.[Pd].[Pd].CCOC(C)=O.CO.C(O)(C)(C)C>[C:1]([O:5][C:6]([N:8]1[CH2:12][CH2:11][C@H:10]([NH:13][C:14]2[C:15]3[CH2:23][N:22]([C:25]4[CH:26]=[N:27][C:28]([O:33][CH3:34])=[C:29]([C:30]#[N:31])[CH:32]=4)[CH2:21][CH2:20][C:16]=3[N:17]=[CH:18][N:19]=2)[CH2:9]1)=[O:7])([CH3:4])([CH3:2])[CH3:3]

참가 물질

8

반응물 4

HCID 10796Cesium carbonateHCID 111557942-Dicyclohexylphosphino-2',4',6'-triisoprophylbiphenylHCID 263699225-Bromo-2-methoxynicotinonitrileHCID 57495324Tert-butyl (S)-3-((5,6,7,8-tetrahydropyrido[4,3-D]pyrimidin-4-YL)amino)pyrrolidine-1-carboxylate2회

생성물 1

HCID 57495326(S)-3-[6-(5-cyano-6-methoxy-pyridin-3-yl)-5,6,7,8-tetrahydro-pyrido[4,3-d]pyrimidin-4-ylamino]-pyrrolidine-1-carboxylic acid tert-butyl ester수율 29.3%

시약·촉매·용매 3

HCID 9811564Bis(dibenzylideneacetone)palladium촉매HCID 6386tert-Butanol용매HCID 21584119Ethylacetate methanol용매

반응 조건

온도
110 °C

실험 절차

To a glass vial was added (S)-3-(5,6,7,8-tetrahydro-pyrido[4,3-d]pyrimidin-4-ylamino)-pyrrolidine-1-carboxylic acid tert-butyl ester (intermediate 23) (566 mg, 1.77 mmol), 5-bromo-2-methoxynicotinonitrile (453 mg, 2.13 mmol), cesium carbonate (1155 mg, 3.54 mmol), tris(dibenzylideneacetone)dipalladium(0) (162 mg, 0.18 mmol), X-Phos (287 mg, 0.60 mmol) and anhydrous tert-butanol (5 mL). The vial was flushed with a stream of argon for 15 sec and capped. The mixture was heated with stirring for 18 h at 110° C. Allowed to cool and partitioned between CH2Cl2 (20 mL) and water (10 mL) and filtered the biphasic mixture through a celite pad. The organic layer was separated by filtering through a phase separation tube and concentrated in vacuo. Purified by flash column chromatography on silica gel with heptane/EtOAc, 100/0 to 0/100 then EtOAc/MeOH (90/10) to give (S)-3-[6-(5-cyano-6-methoxy-pyridin-3-yl)-5,6,7,8-tetrahydro-pyrido[4,3-d]pyrimidin-4-ylamino]-pyrrolidine-1-carboxylic acid tert-butyl ester as a brown gum (234 mg, 29% yield). LCMS: [M+H]+=452.1, Rt(4)=0.90 min.

후처리

  1. customThe vial was flushed with a stream of argon for 15 sec
  2. customcapped
  3. temperatureThe mixture was heated
  4. temperatureAllowed to cool
  5. custompartitioned between CH2Cl2 (20 mL) and water (10 mL)
  6. filtrationfiltered the biphasic mixture through a celite pad
  7. customThe organic layer was separated
  8. filtrationby filtering through a phase separation tube
  9. concentrationconcentrated in vacuo
  10. customPurified by flash column chromatography on silica gel with heptane/EtOAc, 100/0 to 0/100

출처 및 근거

ORD 기록
ord-322b3749d8794992a2ab3906bd74348e
출처 데이터셋
uspto-grants-2014_02
특허 번호
US08653092B2

연결된 노트

불러오는 중…