4-Iodo-1-methylpyridin-2(1H)-one → 6-Phenyl-1,3-oxazinan-2-one

HRID 1640750노트

반응식

HRID 1640750 반응식
OC(C)(CO)C[C@@:4]1([C:28]2[CH:33]=[CH:32][CH:31]=[CH:30][CH:29]=2)[O:9][C:8](=[O:10])[N:7]([C@H](C2C=CC(B3OC(C)(C)C(C)(C)O3)=CC=2)C)[CH2:6][CH2:5]1.IC1C=CN(C)C(=O)C=1>C([O-])([O-])=O.[Cs+].[Cs+].Cl[Pd](Cl)([P](C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1)[P](C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1>[C:28]1([CH:4]2[O:9][C:8](=[O:10])[NH:7][CH2:6][CH2:5]2)[CH:29]=[CH:30][CH:31]=[CH:32][CH:33]=1

참가 물질

5

반응물 2

HCID 534080094-Iodo-1-methylpyridin-2(1H)-oneHCID 59635790(S)-6-(2,3-dihydroxy-2-methylpropyl)-6-phenyl-3-((S)-1-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)ethyl)-1,3-oxazinan-2-one

생성물 1

HCID 2410056-Phenyl-1,3-oxazinan-2-one

시약·촉매·용매 2

HCID 178418476HCID 178418476, 화합물촉매HCID 10796Cesium carbonate용매

실험 절차

A mixture of (S)-6-(2,3-dihydroxy-2-methylpropyl)-6-phenyl-3-((S)-1-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)ethyl)-1,3-oxazinan-2-one (105 mg, 211.9 mmol), 4-iodo-1-methylpyridin-2(1H)-one (65 mg, 275.5 mmol), Pd(PPh3)2Cl2 (20 mg) in aq. Cs2CO3 solution (3 mL) was stirred at reflux for 2 h. After the reaction was finished, the mixture was washed with water and extracted with EtOAc. The organic layer was dried over Na2SO4 and concentrated to give the crude product, which was purified by preparative HPLC to afford two isomers of (6S)-6-(2,3-dihydroxy-2-methylpropyl)-3-(S)-1-(4-(1-methyl-2-oxo-1,2-dihydropyridin-4-yl)phenyl)ethyl)-6-phenyl-1,3-oxazinan-2-one

후처리

  1. temperatureat reflux for 2 h
  2. washthe mixture was washed with water
  3. extractionextracted with EtOAc
  4. dry with materialThe organic layer was dried over Na2SO4
  5. concentrationconcentrated
  6. customto give the crude product, which
  7. customwas purified by preparative HPLC

출처 및 근거

ORD 기록
ord-b266a532453147f795e07d8313781f77
출처 데이터셋
uspto-grants-2012_02
특허 번호
US08114868B2

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