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Sodium Iodide → (9aR)-benzyl 8-allyl-7-((R)-3-methyl-1-oxoisochroman-6-yl)hexahydro-1H-pyrazino[1,2-a]pyrazine-2(6H)-carboxylate

HRID 1501967
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HRID 1501967 반응식
O[CH:2]([C:22]1[CH:23]=[C:24]2[C:29](=[CH:30][CH:31]=1)[C:28](=[O:32])[O:27][C@H:26]([CH3:33])[CH2:25]2)[CH2:3][N:4]1[CH2:9][CH2:8][N:7]([C:10]([O:12][CH2:13][C:14]2[CH:19]=[CH:18][CH:17]=[CH:16][CH:15]=2)=[O:11])[CH2:6][C@H:5]1[CH2:20]O.S(Cl)(Cl)=O.[CH2:38]([NH2:41])[CH:39]=[CH2:40].[I-].[Na+]>C(OCC)(=O)C>[CH2:38]([N:41]1[CH:2]([C:22]2[CH:23]=[C:24]3[C:29](=[CH:30][CH:31]=2)[C:28](=[O:32])[O:27][C@H:26]([CH3:33])[CH2:25]3)[CH2:3][N:4]2[CH2:9][CH2:8][N:7]([C:10]([O:12][CH2:13][C:14]3[CH:19]=[CH:18][CH:17]=[CH:16][CH:15]=3)=[O:11])[CH2:6][C@H:5]2[CH2:20]1)[CH:39]=[CH2:40]
참가 물질반응 조건실험 절차후처리출처 및 근거반응 노트

참가 물질

6

반응물 4

HCID 5238Sodium IodideHCID 7853AllylamineHCID 24386Thionyl ChlorideHCID 131734288(3S)-benzyl 4-(2-hydroxy-2-((R)-3-methyl-1-oxoisochroman-6-yl)ethyl)-3-(hydroxymethyl)piperazine-1-carboxylate

생성물 1

HCID 131734289(9aR)-benzyl 8-allyl-7-((R)-3-methyl-1-oxoisochroman-6-yl)hexahydro-1H-pyrazino[1,2-a]pyrazine-2(6H)-carboxylate

시약·촉매·용매 1

HCID 8857Ethyl Acetate용매

반응 조건

온도
90 °C

실험 절차

A solution of (3S)-benzyl 4-(2-hydroxy-2-((R)-3-methyl-1-oxoisochroman-6-yl)ethyl)-3-(hydroxymethyl)piperazine-1-carboxylate (2.07 g, 4.55 mmol) in thionyl chloride (30.0 mL, 411 mmol) was heated at reflux for 1 h. After removing the volatiles, the residue was dissolved in N,N-dimethylformamide (20 mL) and treated with allylamine (1.879 mL, 25.05 mmol) at 0° C. The resulting solution was treated with sodium iodide (0.0680 g, 0.455 mmol) and heated at 90° C. for 1 h. The solution was diluted in ethyl acetate (300 mL) and was washed with saturated sodium bicarbonate three times, dried over sodium sulphate concentrated and the residue was purified on Biotage using 40-100% ethyl acetate/hexane to give the title compound: LC/MS: (M+1)+: 476.14.

후처리

  1. temperatureat reflux for 1 h
  2. customAfter removing the volatiles
  3. dissolutionthe residue was dissolved in N,N-dimethylformamide (20 mL)
  4. washwas washed with saturated sodium bicarbonate three times
  5. dry with materialdried over sodium sulphate
  6. concentrationconcentrated
  7. customthe residue was purified on Biotage

출처 및 근거

ORD 기록
ord-8aeabae1b2994ff889e4271988d17ae4
출처 데이터셋
uspto-grants-2015_12
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09206199B2

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